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Rocket R58 Dual Boiler Espresso Machine - V2

$273.95 of free extras with purchase!
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Product Description

Built with the commercial-grade components and handmade craftsmanship you've come to expect from Rocket Espresso, the Rocket R58 Dual Boiler offers you double boiler functionality and dual PID temperature control — all in a plumbable, classically styled chrome and stainless-steel housing. Features of the new V2 model include a stronger chassis complete with nylon rails for a seamless drip tray fit, an upgraded magnetic drip tray closure, and an updated control board for optimized steaming and brewing.

Features & Functionality of the Rocket R58 Dual Boiler Espresso Machine - V2

  • Dual Boiler: Working independently for both brewing and steaming, the dual boiler along with thermo siphon system design allows for stability in the espresso boiler and increased levels of steam pressure and hot water from the service boiler. The brewing boiler holds 0.58 liters while the hot water/steam boiler holds 1.7 liters.
  • Dual PID Temperature Control: Program steam and brew boilers with an electronic remote-control PID that plugs into the side of the machine and does not interfere with the R58's classic styling.
  • Commercial Rotary Pump: Quieter than most other rotary pumps, the R58's pump gives you the ability to adjust the pump pressure with the external pressure adjustment controls while monitoring through the pressure gauges.
  • Pre-Infusion: To extract the full flavor and aroma when you brew your espresso, the R58 has a dual pre-infusion system encompassing a working piston and static pre-infusion chamber.
  • Pressure Gauges: With two pressures gauges on the face of the R58, one monitors the pump while the other monitors the boiler pressure.
  • Commercial Parts: Keeping up to its high standards, Rocket made sure that the R58 was made of quality commercial parts, including the E-61 brewhead, rotary pump and heavy weight portafilter (with single and double baskets).
  • Plumb It!: Standard with a 2.5 liter water reservoir, a control switch allows you to plumb the R58 right into your kitchen's water line.
  • Upgraded and Additional Steam Tip: The steam tip now features a 1.2mm diameter hole, and you get a replacement tip for down the road!
  • Handcrafted: Each machine is unique and hand crafted in Italy. Small warps in the case are normal and part of each machine's unique assembly process.
  • Dual Boiler - Made of lead-free copper, these boilers guarantee consistent heat retention and faster brewing and steaming turn around time. You'll be able to make more drinks in a quicker amount of time.
  • Electronic Controls - No need to crack into the brain of this machine, the double PID maintains both boiler temperatures and can be programmed with an electronic remote control box on the side of the machine.
  • Rotary Pump - To give create ideal pressure, this quiet rotary pump has an external pressure adjustment control so you can adjust the pump pressure with the use of the visible pressure gauge.
  • Stronger Chassis - The upgraded chassis ensures your R58 arrives in pristine condition!
  • External PID - The PID is on the side of the machine, attached with a USB cord that could get damaged more easily than if the system was inside the caseworks.
Ease of Use 4
Ease of Care and Maintenance 4
Overall Value for the Money 4
How Does it Compare?

An electronic PID guarantees consistent temperature regulation for each boiler, handy when making a wide variety of beverages in a short time frame. An upgraded rotary pump eliminates back pressure from the boiler and makes this machine plumbable.

Additional Information

Manufacturer Rocket Espresso
Width 12.25 inches
Depth 17.5 inches
Height 16.25 inches
Product Weight (lbs.) 64.0000
Watts 1400W
Programmability No
Case Material Stainless Steel
Boiler Material Brass/Copper
Boiler Volume Steam: 1.7 liter | Group: .58 liter
Reservoir Size 2.5 liter
Solenoid Valve Yes
Steam Wand Type Traditional Only
Cup Warmer Yes
Available Portafilters Non-Pressurized
Boiler Design Double Boiler
Water Sources Convertible - Internal Reservoir or Plumbed in
Auto Shut Off No
Auto On No
Pre-Infusion/Aroma Yes
Material Stainless Steel

Ask a Question

Browse 39 questions and 67 answers
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Between rocket r58 v2 and alex duetto 3 which one has more grouphead flexing?, and between the 2 which one would you recommend.
A shopper on Feb 6, 2014
I am struggling with deciding on the R58 or the Izzo Alex Duetto 3.0. Can you sell me on the R58? Why should I choose one over the other?
A shopper on Nov 26, 2013
Toss up between the Rocket R58 and the La Marzocco GS/3. this would be for home, non-plumbed use.
Really like the fill tray at the front of the GS/3. Filling the R58 could be a problem as it will sit under a cabinet.
Question: does the R58 have any small wheels for pulling out and filling? Seems it would be difficult to pull out to fill the reservoir.
Thanks. The videos with Gail are great!
judgejon on Jul 22, 2013
Best Answer: No wheels, though you could do something fancy (custom) with a roller shelf etc. but this would further diminish the clearance under the cabinet.
Reply · Report · Paul B on Jul 22, 2013
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Hi, I am a proud owner of a R58 and I am getting along with the machine very nicely, one nagging concern I have is over advice I was given from the supplier (being outside of the US it wasn't possible to order from SCG). The recommendation was to always leave the machine on unless I wasn't planning to use it for over 10 days i.e. going out of town.
I tend to use the machine in the morning 1-2 cups prior to going to work and then 1-2 cups in the evening when I'm home, more on a weekend around 5-6 cups in a day. What's the general consensus - leave it on or put it on a timer?
A shopper on Apr 13, 2014
Best Answer: I bought the Rocket R58 Dual Boiler Espresso Machine V2 from Seattle Coffee Gear eight months ago (August of 2013). I have used it daily since then. My usage is almost exactly as you described yours tends to be. It has been on a heavy duty timer from day one to both save energy and eliminate the problem of an electrical malfunction while I am away at work. I have no problems to report so far by using the timer. I am very sorry you could not order from Seattle Coffee Gear. It is a super company to buy from. I was so impressed with them from the Rocket purchase that today, when my old Breville grinder gave out, I immediately ordered a new ceramic burr grinder from them.
Reply · Report · Michael I K on Apr 14, 2014
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Is the video for descaling the Rocket R58 still available? Thank you and best Regards, Ale
Ale R on Nov 29, 2014
Best Answer: Unfortunately, it's not. We are recommending per Rocket's recommendations, not to descale your machine. The Rocket machines should not need descaling except potentially every few years (typically 4-5) but only if you encounter an issue. This professional descaling is much more intensive and removes the boilers entirely from the machines. Instead, Rocket recommends using soft water, and by filtering your water, you can ensure that you're not putting too many minerals into your machine that cause a lot of scale buildup. You can use Rocket's filter, or you can test your water using a water hardness test strip. Ideally, you're looking for the water to be soft, somewhere between 1-3 GPG.
Reply · Report · Stephanie AStaff on Dec 1, 2014
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Simple (and maybe stupid) question: How to remove the water tank? I'm having a hard time pulling it from the machine.
A shopper on Aug 24, 2014
Best Answer: Rocket has made a change to the fit of their water tanks on the R58 as well as their other models within the last few months, and so this is actually a question we get a lot! The tank is a very tight fit, but does lift straight up and out. I generally advise putting a bit of water in the tank, turning the machine on to allow some water to be pulled into the boiler to lubricate the water tank gasket, and then turning it off after a few seconds (as you should rinse/wash the tank out before filling the boiler completely). Hopefully the tank will then lift out more easily for you so you clean it, and it will loosen up and be even easier to remove over time. Hope this helps!
Reply · Report · Teri KStaff on Aug 25, 2014
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Really thinking about this machine for home use and settings like small events. Seems to be fairly on par with the La Marzocco GS/3, which is surprising with such a drastic difference in price point.

One question I do have concerns pre-infusion. Is this just a built in pre-infusion? Can you control it or set the time yourself?

Any other additional thoughts would be great!
Will W on Mar 12, 2013
Best Answer: E61 group is built in with preinfusion function but according to SCG you can stretch it by controlling the lever. It takes a few trials to find the position of the lever for it, but I'm not sure it makes a diff. The shots are all good with or without doing it and they taste the same.

I shared all my experience and posted it on coffeegeek dot com (SCG doesn't allow to post a link of a website). You can find it in the forum under "rocket R58 v2 experience sharing". Hope it will help.
Reply · Report · Shawn Y on Mar 29, 2013
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Is there a way to have the machine warn me about the water level before pouring a shot? It's really my only complaint with this machine. The light blinks just as the machine stops running water and then I have to start all over refilling the portafilter which wastes coffee and time :( . Would be great to know the water level is low before it's out. Thanks!
A shopper on Feb 15, 2014
Best Answer: No, unfortunately there is not an indicator for a low level of water, just that blinking light to indicate when your Rocket R58 is out of water. Other than checking the tank before you brew your shot, I don't have a recommendation for any warning for this ahead of time, unfortunately.
Reply · Report · Teri KStaff on Feb 17, 2014
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Can the feet on the R58 be removed? i currently own a Silvia and was wanting to upgrade. my only issue is we just had our kitchen remodeled and i'm fearful that it won't fit under the upper cabinet?
A shopper on Nov 17, 2013
Best Answer: Technically yes, they are able to be unscrewed like furniture legs. Though the machine wouldn't work without legs as the bottom is not flat, the drain for the drip train and the water connection for hard plumbing extend out on the bottom. I have the machine on our counter under our upper cabinets and it is a pretty tight fit (16 7/16" from counter to bottom of cabinet) but works well. I hard plumbed the machine so I do not need to move it in and out all the time to fill the water reservoir, which with the machines hefty weight and tight fit, was very inconvenient.
Reply · Report · Andy B on Nov 20, 2013
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I've only had this machine for 2 days and I absolutely LOVE IT!!

My question is, what should be the proper ritual to making myself a latte every morning? My biggest questions are around cleaning, but here's what I gather so far. Any advice on something I'm missing or something I'm doing that is not necessary would be greatly appreciated!!

1. Make sure there is enough water in the water tank
2. Turn machine on, wait 30-45 minutes
3. Run hot water through portafilter (manual says 1 cup? Do I do this every time??)
4. Pour milk into frothing pitcher (ice cold)
5. Let a little steam out of the steam wand
6. Froth milk and set aside
7. Let a little more steam out of the steam wand and wipe clean
8. Fill portafilter with coffee, tamp, put in machine
9. Lift lever half way for a few seconds, then all the way
10. Watch my espresso being poured (time it, 20-30 seconds for 2 oz), close lever
11. Remove portafilter, dump hockey puck

Cleaning... (this is where i'm most confused about the best way to keep my machine clean)

12. Do I place portafilter back into the machine and run water through it each time?
13. Remove basket from portafilter with tool and wash/clean each separately
14. Do I remove the basket (not sure what this is called, sorry) inside the machine with the rubber ring each time after I make coffee to clean?

The reason I ask about the cleaning is because I found grounds in my portafilter after I had cleaned it and placed it back in the machine from the previous use. I had NOT removed the upper basket/rubber ring after previous use. When I did that, I found grounds stuck around the ring, etc. So should I clean that everyday? Every time?

Thanks so much!
Claudia B on Dec 18, 2013
Best Answer: Hi Claudia,

It sounds like everything you're doing is just about right! You don't need to run an entire cup of water through the portafilter each time, and just a little bit for a cooling flush. As far as cleaning, you do not need to remove the brew head gasket (that rubber ring) and brew head screen each time you brew. You can run some water through the brew head and/or rub a clean rag around the edge of the brew head to remove excess grounds after each brew. We also recommend back flushing and descaling regularly. I have included a few links to pages that outline those processes, and we recommend back flushing once every 1-2 weeks, and descaling this heat exchanger once every 2-3 months depending on how hard your water is. Hope this helps!
Reply · Report · Teri KStaff on Dec 19, 2013
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Can you please tell me what the specific waterline size this machine requires and what kind of piping? Copper, flexible, etc. Thank you.
Stephanie Y on May 19, 2014
Best Answer: Stephanie,
the R58 comes with an adapter for american plumbing. The connection would be R58, metric hose, adapter, 3/8" or 1/2" american hose(depending on your outlet), valve.
The american side is the same as the flexible hose for your sink. You may want a double outlet valve at your sink to supply your machine, if that is where it will be. One for your sink, one for your machine.
It's really not that hard, once you have the parts in hand. You may want a inline water filter, depending on your water. But, you can add that later.
Reply · Report · Jon M on May 20, 2014
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I've read a bottomless portafilter is included with a kit for this machine. Is this still true?
A shopper on Jun 20, 2013
Best Answer: No, unfortunately the R 58 comes with the single and double spout portafilter and baskets, but the bottomless portafilter and triple basket is a separate purchase, and can be found at the link below:
Reply · Report · Teri KStaff on Jun 20, 2013
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What is the height of the machine without rails?
Jared W on Nov 22, 2015
Best Answer: This machine is 14.75 inches without the rails.
Reply · Report · Samantha BStaff on Nov 22, 2015
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Has Rocket redesigned the PID for the R58 ?
A shopper on Oct 17, 2015
Best Answer: Yes
Reply · Report · Randee SStaff on Oct 27, 2015
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Would the R58 be an option for a SMALL restaurant/bar? Our soon-to-be-open bar/restaurant has 40 seats and serves lunch and dinner. While we don't anticipate a huge call for coffee (projecting 10-15 shots/day), we DO want to pay homage to our beautiful locally roasted beans and have a lovely product to offer with our desserts. I love that the R58 has dual boilers and can be plumbed, it is aesthetically pleasing and the size is nice for our space, plus the reviews are very positive!
In short, seeking a machine for greater than home use volumes, but smaller than a coffee-centric business who still wants a great product.
I don't want to go overboard with our first machine purchase and I am willing to grow with the growth of our business. Do you think the R58 is a good jumping off point considering we are not a coffee-centric business?
Lastly, I saw the question below about a similar business model expecting a higher coffee sales and I looked at the review for the Rancilio Epoca ST 1, but I don't think that's the machine for us. We would need a smaller machine, and would like similar features to the R58 if you do not recommend that we purchase that one.

Thank you for your time and consideration!
Christine D on Sep 29, 2015
Best Answer: It will be very important if you are using a machine in a business (no matter the size), that you choose a machine that is NSF rated. This means that it has passed all requirements for scenarios where you're serving drinks to customers, for sanitary reasons. The Rocket R58 is NOT NSF certified, so if you were to be inspected, you would not pass based on this reason alone.

It's also important to be using a machine that will be able to reliably handle the demands that your situation will be putting on the machine. The R58 in not designed for this kind of use, and is considered more of a prosumer home machine.

I appreciate the idea of wanting to find a beautiful machine for your nice, locally roasted beans and desserts. I might suggest looking at the Rocket Boxer 1 group, if you like the Rocket look, or possibly even the La Marzocco Linea Mini.

As we have a great commercial department, above all it would be best to speak with someone that can help you assess and then find the right machine for your situation. You can talk to someone in our commercial department by calling 866-372-4734.
Reply · Report · Miranda GStaff on Oct 6, 2015
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is this considered for business or home use?
sarareika on Sep 14, 2015
Best Answer: Home
Reply · Report · Randee SStaff on Sep 14, 2015
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How many shots can you brew per hour ? Thanks
A shopper on Aug 15, 2015
Best Answer: As many as you can load up into the portafilter per hour
Reply · Report · Randee SStaff on Sep 25, 2015
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can I get a specification sheet for this please?
ariane a on Jun 9, 2015
Best Answer: What kind of specifications are you looking for? The following specs are found in the "additional information" tab: ManufacturerRocket Espresso
Width12.25 inches
Depth17.5 inches
Height16.25 inches
Product Weight (lbs.)64.0000
Case MaterialStainless Steel
Boiler MaterialBrass/Copper
Boiler VolumeSteam: 1.7 liter | Group: .58 liter
Reservoir Size2.5 liter
Solenoid ValveYes
Steam Wand TypeTraditional Only
Cup WarmerYes
Available PortafiltersNon-Pressurized
Boiler DesignDouble Boiler
Water SourcesConvertible - Internal Reservoir or Plumbed in
Auto Shut OffNo
Auto OnNo
MaterialStainless Steel
Reply · Report · Randee SStaff on Jul 17, 2015
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Roast my own beans. My La Pavoni is dying after 15 years. So I am upgrading. Pretty sure I have settled on the R58. Just some questions. All based upon making 2 doubles in the morning sometime between 6am and 7am and 1 single or double between 2 and 3pm in the afternoon. If I manually turn on the machine, realistically, I see I must wait 30 minutes for a good shot (7 to 9 minutes with my la pavoni). Can I use a timer? The timer people speak of, is this something programmable that goes in the outlet and the R58 plugs into that? I leave the on/off switch on? (any kind I find online of sufficient amperage allowance?). I set it to deliver power to the machine from 530am to 730am and 130pm to 3pm? Is this a reasonable and safe practice that works ok for the machine? (that manual says turn off and unplug when not in use...not so realistic I would think).
Also, the manual (I found in pdf online) says to empty (and clean!)the water reservoir every night. Is that really necessary?
What size tamper do I buy? (looking at one that clicks at 30 lbs...has two sizes)
If I buy a bottomless portafilters..which size...I assume you sell one that fits?
Don W on May 31, 2015
Best Answer: Wow, you'll love the R58! It's a great machine! The nice thing about this powerful machine is that it can actually be left on 24/7 so it's always ready to go when you are! As for the tamp size, it's a 58mm portafilter and yes, we sell a bottomless portafilter specifically for the Rocket machines.
Reply · Report · Randee SStaff on Jul 2, 2015
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Is there a modestly priced grinder you would recommend (<$500)?
Tina B on May 27, 2015
Best Answer: For a nice machine like this, you'll want a good grinder. We do have the Baratza Vario which is under $500 and is a great grinder that will last you a long time and give you plenty of settings to dial in your grind. Here it is for your convenience:
Reply · Report · Randee SStaff on Jun 11, 2015
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There seems to be a pressure regulation problem after the water line is connected - the pump pressure rises way above the 8-10 range during the pull causing massive water discharge into the tray. Same problem persists when setting is changed back to reservoir. Any thoughts why this might be happening? Thank you
A shopper on Apr 10, 2015
Best Answer: Try readjusting your pressure. On the bottom of your machine, there is a brass bolt with a black nut that can be hand adjusted. Put in a blind basket (basket with no holes used for backflushing) and while the pump is going, loosen the black nut around the brass bolt and adjust until you see the pressure at the 9 bar range and leave it there. See if this helps.
Reply · Report · Randee SStaff on Apr 18, 2015
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Does this unit include a tamper or any other extras? Just wondering what I need to purchase along with it
Wesley D on Mar 23, 2015
Best Answer: This machine does include a tamper, though it is usually a cheap plastic one that will do the job, but isn't the best thing. You may want to purchase a milk frother pitcher. RS
Reply · Report · Randee SStaff on Mar 30, 2015
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On the Rocket R58 the internals of the E61 grouphead are chromed - since Dezcal can remove chrome plating, what is the recommended descaling procedure for the R58 or a similar E61 type machine?
RENE S on Mar 19, 2015
Rocket R58 Dual Boiler Espresso Machine - V2
Rocket R58 Dual Boiler Espresso Machine - V2
Dezcal Coffee/Espresso Machine Descaler
Dezcal Coffee/Espresso Machine Descaler
Best Answer: Rocket actually no longer recommends descaling your machine. Instead, you want to be using an inline water filter so that you don't need to descale.
Reply · Report · Randee SStaff on Mar 28, 2015
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Is the 16.25" height with or without the cup rail? If without, what is the height of the cup rail? Thanks.
Craig S on Mar 8, 2015
Best Answer: It is 16.25" with the cup rail. It is 15.125" without the cup rail.
Reply · Report · Miranda GStaff on Mar 9, 2015
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Does the Rocket really need back flushing daily? That is the recommendation here. That is the only thing holding me back from purchasing the Rocket.
Keri V on Feb 28, 2015
Best Answer: It really depends on how much you're using the machine. We recommend backflushing the machine once per week if you're using it daily, but if you're only using it on weekends or every now and then, then every 2-3 weeks should be fine. What's important is that you're doing it often enough to keep the machine clean, and if you don't do it but continue using the machine, you could encounter a variety of issues, so regular maintenance is key!
Reply · Report · Stephanie AStaff on Mar 1, 2015
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On the R58 Rocket can you remove the cup guard rails?? I only have 15 7/8" clearance. If yes what would be the height from counter to very top of machine?
A shopper on Feb 27, 2015
Best Answer: Yes, you can remove the cup rail, and that will give you an overall machine height of 15.125" without the cup rail. Hope this helps!
Reply · Report · Miranda GStaff on Mar 10, 2015
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How many amps does this use, 15 or 20?
A shopper on Feb 2, 2015
Best Answer: This will be 15 amps, and uses a standard, grounded 110V outlet. You will not need a specialized outlet.
Reply · Report · Stephanie AStaff on Feb 2, 2015
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Hi I reside in Canada, do I need to buy extra electrical & water line adapters if I want to use this at home? Also, do you do delivery over to Canada?
Philly on Jan 23, 2015
Best Answer: I'm sorry, unfortunately we cannot ship to Canada. Also, provided that you have 110V outlets, you shouldn't need extra equipment, the machine uses a grounded 110V plug (and you shouldn't adapt it for any other outlet like 220V since the wiring inside is set for 110V). For plumbing it in, the machine comes with a BPT connection, but also has an adapter to switch it to NPT (American threading), so you should be able to use it with either the European threading or the American threading. I don't think there is a different kind besides that.
Reply · Report · Stephanie AStaff on Jan 29, 2015
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Is the Rocket R58 "NSF" sanitation certified?
Craig F on Jan 15, 2015
Best Answer: No, sorry, it's not. If you're needing a machine with NSF certification, you should look at the Nuova Simonelli brand like the Oscar or Musica, or give us a call and talk to someone in our commercial sales department!
Reply · Report · Stephanie AStaff on Jan 19, 2015
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Is the protafilters in solid brass?
KC H on Sep 9, 2014
Best Answer: The portafilter for the Rocket R58 is chrome plated brass with a plastic handle. They are very solidly constructed, however due to the plating you may notice the chrome wear and expose the brass on the portafilter tabs over time. Hope this helps!
Reply · Report · Teri KStaff on Sep 9, 2014
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What is the range of voltage of this machine? Is it 110 - 220 V ?
Since I'm located partly in Europe as well in the US I want to make sure that I can use this machine at all locations.
A shopper on Jul 29, 2014
Best Answer: The Rocket R58 is a 110V machine and is not rated for use outside the US with 220V, unfortunately.
Reply · Report · Teri KStaff on Jul 29, 2014
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Do the two Rocket R58 Portafilters come with ridged or ridgeless baskets? I'm planning on buying 3rd party baskets by VST which come in both versions. I'm hoping the R58 uses ridgeless baskets.

I appreciate the answers given to previous questions, I'll certainly be following some of the advice given.
Douglas K on Apr 29, 2014
Best Answer: The Rocket R58 Portafilter comes with ridged baskets.
Reply · Report · Teri KStaff on May 2, 2014
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What is the height of the grouphead to the drip tray,also the distance from the double spout portafilter to the drip tray?
A shopper on Feb 16, 2014
Best Answer: On the Rocket R58, from the brew head to the drip tray the height is 5 3/4 inches, and 3 1/2 with the double spout portafilter attached.
Reply · Report · Teri KStaff on Feb 17, 2014
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When mounting the pf, is there flexing in the grouphead at all if so how much? I heard you cant brew and steam at the same time with 15amp?
A shopper on Feb 6, 2014
Best Answer: The brew head gasket is stiff at first on the Rocket R58, and like any will wear in over time. This will reduce any flexing that you might see at first in the brew head but any at all is minimal. You can absolutely brew and steam at the same time even using this machine on 15 amps.
Reply · Report · Teri KStaff on Feb 6, 2014
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Could this machine be used for small catering events or for say a small business?
Marlon A. on Nov 6, 2013
Best Answer: No, this machine is not commercially rated, and so I would not recommend it for commercial or business use. For a commercially rated machine in a similar price point, check out the Rancilio Epoca at the link below:
Reply · Report · Teri KStaff on Nov 9, 2013
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How long do Rocket machines take to warm up? The things I have read online have a wide variance - anywhere from 10 to 45 minutes.
A shopper on Oct 7, 2013
Best Answer: The reason that you will read such a variance on heat up times with this Rocket R58, or any similar large, E-61 brewhead machine, is because the machine will be hot in the boiler before the brewhead is hot. So the machine may look "ready to brew" on a PID or boiler gauge, but both the metal at the brewhead and portafilter will be cold. Therefore, if you brew at this point, you will draw nice hot espresso through an ice-cold portafilter and dramatically alter things! For this reason, we suggest letting most machines heat up for about 30 minutes with the portafilter attached for best results. Hope this helps clarify!
Reply · Report · Teri KStaff on Oct 10, 2013
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Would this machine be a good choice for a restaurant bar area. Concern is speed and reliability making up to 100 coffees
a day. Advice?
Michael B on Jul 23, 2013
Best Answer: No, unfortunately this is not a commercially rated machine, and so you will void the warranty if you use it in that setting. For a restaurant, you'd need something like the Rancilio Epoca, and I've included a link below. I would suggest looking for something that is NSF rated, and start by looking at the Cafe tab on our website. Feel free to give us a call to talk about commercial machines if you have any other questions!
Reply · Report · Teri KStaff on Jul 23, 2013
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What is the volume of a double espresso in ml, cl or oz?
Richard H on Jun 11, 2013
Best Answer: A double shot of espresso is 2 ounces of liquid, extracted in 20-30 seconds, when tamped with 30# of pressure.
Reply · Report · Teri KStaff on Jun 12, 2013
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Purchased the Rocket V58 Dual Broiler and am having trouble figuring out how to hard plumb it. What size water tube must be plumbed into the Rocket and what size drain tube attaches to the unit? Thank you!
A shopper on Apr 15, 2014
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Warranty Information for the Rocket R58 Dual Boiler Espresso Machine

What it Covers:

Rocket Espresso machines


- Home Use: 1 year parts and labor (R58, Evolution, Premium Plus)

- Commercial Equipment: 1 year parts, 3 months labor

Who Supports the Warranty: Seattle Coffee Gear
Warranty Contact Information: 866-372-4734 or email us at
Notes: Read more about Seattle Coffee Gear's Warranty coverage.
Eligible for SCG Extended Warranty? Yes for home equipment
Can SCG Repair? Yes. Read more about our out-of-warranty repair services.

Caring for the Rocket R58 Dual Boiler Espresso Machine

  • Clean the brew gasket daily with a cleaning brush.
  • Soap out water tank and drip tray every few days.
  • Perform backflush routine daily and clean the filter basket each week.
  • Keep the stainless-steel casing shiny with a microfiber cloth.

User Manuals for your Rocket Dual Boiler R58 Espresso Machine

Videos Featuring the Rocket R 58 Dual Boiler Espresso Machine

How to Backflush your E61 Espresso Machine

Compare Dual Boiler Home Espresso Machines

Crew Review: Rocket Espresso Accessories

Crew Review: Rocket Espresso Reservoir Filter

Compare: Rocket R58 and Rocket Giotto Evoluzione

Compare: Rocket R58 and Quick Mill QM67

Compare: Rocket R58 and La Marzocco GS/3

Interview with Rocket Espresso's Andrew Meo

Articles Related to the Rocket R58 Dual Boiler Espresso Machine

The Reluctant Barista Tackles the Rocket R58


Great with a few exceptionsReview by Joseph
I've spent quite a bit of time watching the Rocket videos, especially here on SCG. I really like the in depth commentary. It's fun watching Gail and the team. There's definitely a passion there for the art of making quality espresso. Needless to say I did my homework and researched this purchase extensively.

A couple of commentaries on the R58. It's well built. Definitely a statement piece. It doesn't take up too much room on my counter and fits nicely under the cabinet. Having the water reservoir in the back is a little inconvenient to refill. Would be nice if it were behind the drip tray. Warm up time for me is about 12-15 minutes. Hot water on demand is awesome. I'm in teavana as well.

There are a few issues I needed to point out that I wasn't able to find before purchasing the machine. First, if you make adjustments to the brew boiler using the PID, the brew head will automatically shut off (at least on my machine). Has anyone else had this problem? This is a little disconcerting because I initially thought my machine was broken and didn't work. I called SCG to analyze the issue. I believe there is a switch that trips and requires you to shut the machine down, let the power cycle out the system, wait for 30 seconds, and then cycle power on to re-engage the pump. Huh? That's a little temperamental. Can I get a software upgrade Rocket? As long as it comes back on I'm good, but my excitement turned into slight disappointment. Wa-waa

Second issue I noticed was the drip tray. It's not all that magnetic and when on the counter tilts slightly up at a 10 degree angle. Looking at the rails there is a slight gap between the tray and machine. Why isn't my machine level? Hmmm.

These are small gripes I know. It's a great machine don't get me wrong. I'm hoping these are minor inconveniences, but you never know. They could potentially turn into big issues. At this price point, I think the value and quality out weighs the possible downside.

When setting up a home system, obviously the machine is important. However, what I learned real quickly is your grinder is BY FAR the most important piece of equipment. Consistency and grind is critical. Go with a stepless with big burrs. Spend the money on the best prosumer grinder you can get. I really like the Mazzer and Ceado lines.

Hope this helps. If anyone else has experienced these issues I would love to hear your feedback. Happy brewing! (Posted on 10/8/2015)
Great MachineReview by Tom
This is the best machine I've owned. I've waited to give a review for 6 years. It has held up to 3 cups a day. The only part I don't like is waiting for it to warm up with is 11 min. Get a good coffee grinder if you buy this machine. (Posted on 5/13/2015)
We love our R58Review by Dave
Spent several years with the Rocket Cellini (HX) which made great coffee. Needed a machine at our office so I sent the Cellini to work and bought an R58 for home. This is the most fun a person can have making a cappuccino. The dual boiler makes you not wait until the boiler is hot before you pull a shot. (If the Cellini fills after steaming you must wait.) There are a few quirks like steam wand on the left, but NBD. We were able to bump the boiler pressure to 1.3 so it never goes below 1.0 when steaming. The insulated boilers stay hotter than the Cellini and do not require as much time to tre-heat (Posted on 3/21/2015)
in perfetto statoReview by Sandy
This is by far the foremost espresso machine for home use, ever fabricated; beautiful, well engineered and easy to utilize.
(Posted on 2/16/2015)
Great Machine!Review by Tanega
I have had this machine for over a year now. I did run into the loose steam valve problem...just got a wrench and tighten it...problem solved. Put lock tight on nut now problem now. Make sure you plumb it in with a water filter. Wish they had a way to descale the machine in the pid controller....oh well maybe V3 will have it.

Over all the it has been a great upgrade from a exposer lever HX machine. I use a Espro Toroid for steaming milk... (Posted on 12/10/2014)
Great machine, a few nitpicksReview by Brent
When our vintage mid-60's Italian espresso machine died, my wife said a little prayer, held a little wake and we then went researching a new machine. We had come down to a choice between the Rocket Giotto Rev (HX) and a Vetrano 2B (Dub boil), which were the same price. My wife, a designer, loved the aesthetic of the Rocket. When we decided to go with a double boiler machine, she really wanted the Rocket look, so we spent up to get the R58. Boy are we happy we did.

First, SCG is awesome to deal with. They worked with us on the price. They shipped instantly. They were patient and always available as we worked through the plumbing installation (see below) and asked general questions as we tried to figure out the machine, and what wasn't stated in the manual. So, SCG continues to be a stellar company to work with and kudos to them. Their customer service in the buying, negotiating, and set up were all top notch, and we highly recommend buying from them.

As to the machine, it is beautiful and well built. By and large it is an amazingly well designed machine. Even the packaging was top notch. We do have a few nits to pick, but none of them affect our overall pleasure and none of them should be a major deciding factor in considering this machine.

It took us about 4-5 tries to get our grind, tamp and pull to where the espresso "was better than" what we get from our local barista place, according to my wife. So, the machine has a learning curve, like any machine, but delivers a great result. The warmer on top is great, the controls are solid and it makes great coffee. It heats up in about 5 minutes, is appropriately quiet/noisy and it just plain works. Note, you do need to have about a half pound or more of coffee and a half gallon of milk allocated just for your training, which would be true with any new machine Once you get it dialed in, the coffee and frothed milk are fantastic.

We are supremely pleased with the R58 and highly recommend it to anyone looking for a high end machine. So, what are our "nits" we pick? Again, these are fairly minor, but here they are:
1. PID location: The plug-in point for the PID is about the worst possible location. Left side, way in underneath the machine. Since most people are right handed, this is your "inferior" side and you can't quite reach it by touch. So, you have to get your head down on the counter and carefully insert the PID Pin connectioh or risk bending a pin. It seems like an afterthought location. How about putting it on the upper back or closer to the edge on the right or somewhere easily accessible?
2. Plumbing: SCG now includes a metric/english brass adapter which is a good thing. However, the adapter comes stuck to the inlet valve for convenience, but not water tight installed. They don't tell you this, and it looks installed. There are no instructions on exactly how the inlet, hose and adapter need to be configured. It took us 2 trips to the hardware store and two calls to SCG to get it right. A one page instruction sheet on how exactly to connect the various parts with a minimum of mistakes should be included.
3. Instructions- The included video is essentially useless. It is nothing more than a video of the "how to use the machine" section of the manual. The manual doesn't include a bunch of useful information. For example, every picture in the manual shows the right side pressure gauge as "working", at 1 bar. However, when resting there is no pressure to the brew head, so the right side gauge is at 0 until you pull. Well, given the manual always looks like that gauge should work, we thought something was wrong. Manual should explain the brew head pressure gauge only shows pressure when you pull a shot. There are other similar discrepancies or lack of info in the manual.

As we said, these are pretty small nits and we still would buy the R58, even knowing the "nits." We are very pleased, and way over caffienated from enjoying the machine so much! (Posted on 9/2/2014)
a real machine for real espresso connoisseurs at home.Review by Charlie
I got into espresso again due to the "modernist" food movement in Seattle. In Los Angeles I was staying near Espresso Profetta and discovered the joy of being near a synesso machine, filled with Espresso Vivace beans. Then I left. And ... there was only Starbucks. So I looked at GS/3's and Hydras and all the stuff that would make put that syrupy black liquid on tap on my home. I was hesitant to buy such an "inexpensive" machine- one that I could only guess if it would output the quality I was expecting.

So here's the verdict: Skip the "pressure ramping" gimmick or any of the other nonsense they're trying to upsell. This machine gets it right- perfectly right. It looks great in my kitchen. It outputs EXACTLY the quality I would expect from Intelligentsia, Vivace or any of the other "synesso shops" that have popped up in Los Angeles lately.

The R58 to me is great coffee without hipsters. If I had to buy it again I'd say the La Spazial "Dream" would be a candidate- though as a beginner the lack of volumetric on the R58 force me to time shots and measure volume, which forces me to learn it correctly. And if I were running a cafe... the GS/3 would be the "one"- just because of its 20 amp and volumetric- allowing you to "fire and forget". (Posted on 4/23/2014)
An Almost perfect Espresso Machine. Beautiful! Review by Steve San Diego
First observation, this thing is a work of art. It is beautiful. Over the years I've owned several quality machines, including a La Pavoni Manual, a Rancilio Rocky, an Andreja Premium, and an Izzo Duetto Dual Boiler. This is hands down the best of all of them. It is very easy to make a great shot of espresso in this machine, and it quickly produces perfectly frothed micro-foam with its Naval Boiler facsimile powerhouse of a Service boiler. It far more forgiving of tamp, grind and other parameters than the other machines I have owned. It is hard to NOT get a good shot. I can train a neophyte to pull a good shot in 5 minutes. When you get the grind right, the amount of coffee correct and the tamp correctly performed, you will almost always get a "God Shot". Very consistent. No flushing, no waiting, just keep pulling shots.

I keep the PID controller connected, and monitor the recovery until I get a good feel for the machine. The machine's brew boiler recovery time is exceptionally fast, and is about 15-20 seconds. Nothing like a 1400 Watt heating element. That's less time than it takes to knock out your portafilter grounds and then refill it. Because it is 15 amp only machine, with brew boiler priority over the two boilers, it has a minor quirk. One boiler can run at a time, but they are quickly switched on and off by an internal microprocessor to maintain temperature stability, and to keep the total instantaneous current load below 15 amps. You can steam milk first, and go right into brewing coffee, as the brew boiler gets priority from the machines's internal Microprocessor. If you choose to pull your shots first, pause for about 30-45 seconds before you steam milk. That gives the machine time to recover the brew boiler temperature, at which time it switches the Steaming boiler back on line. If you don't wait, you will run out of steam midway through steaming your milk. Once again, monitor the PID controller and wait for the default display of the brew Boiler to reach its preset temperature. It's set at 105C at the factory. That a good for a dark roast, but I use Lavazza Top Class, a medium roast, and prefer a setting of 106C. My experience and preference is higher Brew temps for lighter roasts and vice versa. Anyway, it recovers quickly, and you're off to steaming your milk.

It makes a lot of steam. I switched the tip from the 1.5mm holed tip to the provided 1.2mm holed tip. A small crescent wrench works well. It will heat a small carafe of milk a little too quickly to make good foam with the larger tip. For larger quantities, say 16 ounces + when you're making multiple lattes, use the larger 1.5mm tip. For best results and to avoid overly frothy milk, Don't angle the tip at first, and keep it aligned vertically just below the milk's surface, allowing a small hiss of air to be injected into the milk, until the temp is between 100-110F, then submerge the tip at an Angle of about 15-30 degrees, and let the milk swirl until it's about 150-155F. No more than 160F to avoid scalded milk.

Is this machine better than a single boiler or a single boiler hear exchange machine? Yes, way better. It is far superior to my Andreja Premium, which I've owned for 10 years. It is far better than my 1st generation Izzo Duetto, which I thought that machine was heavily flawed and unreliable. That's why it's now a 3rd Gen Machine. I understand the newest version of the Izzo Duetto rocks, but it still suffers from lack of cup clearance between the brew head and drain tray.

Expensive yes, but ITS WORTH IT! Did I mention it's very beautiful sitting on your counter! (Posted on 2/8/2014)
Great Machine Overall. Pay attention to plumbing!Review by J White
One quick bit of autobiography...this is my third "Prosumer" class espresso machine in seven years. My first love, an Isomac Tea, eventually replaced with the rotary/plumbed Quickmill Vetrano and now the dual boiler/PID Rocket R58.


External controller - I don't intend to fiddle with it much except to adjust the temp for new coffee blends and occasionally turn on the steam boiler, so I like the fact that the classic styling is not ruined with a glaring digital display. One of the main reasons I picked it over other PID controlled machines, including the Vetrano 2B

Switchable Steam boiler - 90 percent of the time this machine is used for espresso but I do make milk drinks for visitors and the kids, so I like that I can turn that on and off. This is another of the deciding factors for me. FYI the time from cold to full steam is about 6 minutes.

Easily removable drip tray - Easy to remove and clean and the magnets ensure that it stays in place.

Overall aesthetic - I just really like the looks of the cup rail. It looks both elegant and sturdy, and looks like something from a professional machine. It's a petty thing but for some reason it stands out for me. The gauges are large and readable but not out of place. Little things like the real screwed on name plates, where most machines in its class have stickers, and the disk covering the expansion valve drain. And once again no glaring PID display.

Quality accessories - The portafilters and tamper that came with the machine are better quality than those provided with the other machines I've owned. The included smaller hole steam tip was a nice touch.


Loud - For a rotary pump machine it is suprisingly loud. It has a buzzy sort of sound that seems like it might be from parts vibrating together. In addition the pump is just louder than it was on my first generation Vetrano, and has a whine when it comes up to the full 9 bar pressure. It's not horrendous but not what I expect from a rotary pump machine. I would almost knock a quality star from it for that.

Drip tray size is ridiculous - It is so shallow front to back that if you don't have a portafilter in the group you WILL have water everywhere, for example when you are cleaning the group. Of the three machines I've owned, it is the worst by far. In addition it is pretty shallow, if you are not plumbing the drain you'll be dumping it a lot (but if you're a neatnik that might not be a bad thing).

Controller connection - It is described on this site as a USB connection, I wish it was. It is actually a 25 pin serial connection that can be tricky to connect if you are not looking directly at it, and if you're a ham handed person you could potentially bend pins.

British Plumbing fittings - This is a real gotcha! The water fitting on the machine and on both ends of the supplied hose are a British fitting. You are simply not going to connect this with anything in your house without an adapter, and you will not find one at the local hardware store. One can be purchased from Seattle Coffee Gear separately. My only knock against SCG. Some sort of adapter to US standard plumbing fitting could only cost a few bucks at cost, pitch one in the box SGC! I was really frustrated when I found this out and had to wait for one to be mailed. To their credit SGC did send an adapter out for free, but it would have saved me some time and frustration if they had just done that up front. Good thing it has a tank!

Overall Impressions:

I am not an expert on milk drinks but I found that using the included optional steam tip did make it easier to froth smaller amounts of milk, which is all I ever do, and it seems to have more than enough steam power.

Overall I love this machine and I'm happy with the purchase. It looks great, and the build quality seems excellent. Most importantly, it makes a great espresso. I would definitely buy it again and would recommend it to others. Even with it's flaws, I think it is a five star machine. (Posted on 2/7/2014)
Very nice machineReview by Bill
Got this a couple weeks back. Due to traveling, I've had about a week to get dialed in. At this point, I'm very happy with my Cappuccino (milk covers a number of sins) and getting closer on my Espresso

In short, really like the machine. The build is very solid. The valves for steam and hot water are very positive - no cranking down hard to close. And, most importantly, the temp and pressure are always consistent. So any 'defects' are my technique as this machine really seems to be able to make a great cup.

I put the machine slightly low on price rating for only one reason - I suspect a cheaper machine could make just as good a shot. However, the build quality and design are probably what you are paying for and those seem worth it if you've got the cash.

One minor complaint ... Rocket claims the machine was set at 9bar out of the factory. Maybe it was, but it wasn't set there when it got to my house. My first shots were barely getting to 7bar. Now I'm one of those geeky engineer types so I was pretty sure I could figure out how this thing should work and, even with the blind basket in the portafilter, it couldn't get past 7.5bar. So I pulled out my tools. Turned out the locking nut on the pump adjustment under the machine was barely tight. So, either they never got it set or they didn't lock it down and things moved (not sure I buy that). Anyway, a few 'turns and tests' later and I've got it dialed in (actually, may be a little high but close enough). If you're not handy, this might be a bit of a pain. So, if you get one, check the pump pressure. On the upside, the adjustment is pretty easy to make.

All in all though, great machine. Consistent performance. Never have to wait for hot water, steam or a pull. With that plus the build quality, I would recommend this to others. (Posted on 12/22/2013)
High quality, serious espresso machine with a few flawsReview by Bruce
Pros: 1. Heavy and solid. One doesn't have to hold the machine to install the portafilter for extraction. 2. Steam, water, and group-head valves operate very smoothly. 3. Very nice warming tray - cups warm and ready to go. 4. Quiet pump.

Cons: 1. Drip tray too small - one is constantly cleaning up spillage due to too small a surface area for normal extraction procedures. 2. Absence of reservoir gauge. 3. Absence of timer clock. 4. I'm still having trouble getting a nice, dry "puck" with extractions. 5. Configuration of steam wand, water wand, group-head and lever results in crowded ergonomics - one has to carefully negotiate a path to the lever to initiate an extraction. (Posted on 12/5/2013)
Great MachineReview by Mike D
I've owned this machine for 8 months and use it everyday. It works as advertised. It makes great espresso's, lattes and just about anything else you would want to create with it.

Bottom line is you get what you pay for and I wouldn't hesitate to buy this machine again. (Posted on 11/18/2013)
Just buy it. Review by WanderingMoo
I could have easily talked myself out of buying this machine. I'm so glad I didn't. It's quite simply makes the best tasting espresso I've ever had. Any complaints are sadly on me, not the machine. Just buy one and smile.

Oh - and a plug for SCG - Great people, great service. (Posted on 11/1/2013)
Wow!!! What a machine!!Review by Espresso NOOB
This is my first and only espresso machine. I tried something that was a few hundred dollars less at first, and was very disappointed. The R58 is amazing. Café Crema is my favorite drink and It took me a while to learn to get decent results. My wife loves Cappuccino and needless to say, it also was quite a task for me to learn to steam milk with good results. That's all learning curve stuff, but the R58 made it a pleasure to learn on. Loads of steam, perfect pressure all the time every time....even when making 1 drink after another. At first I was surprised by the small size of the water boiler, but the recovery time on it is amazing. I opted to plumb the water feed and drain and even though it made the install a bit more complicated, I'm so glad I did. This machine is made with all top of the line commercial components. It's truly a work of art. (Posted on 5/11/2013)
This is Excellent machine... the finish and construction is so beautiful, is like jelewery in our kitchen.
we are very happy.
The ROCKET R 58 is like a Ferrari strong and powerful
vs with (Expobar Brewtus IV-R) is 100% diferency.

Thank you so much Seattlecoffeegear excellent service....
♥ ♥ ♥
Excelente maquina de cafe, el acabado y la construccion es hermosa, es una joya en nuestra cocina.
estamos muy contentos.
The ROCKET R58 es como un Ferrari fuerte y poderoso
comparada con (Expobar Brewtus IV-R) es 100% total diferencia.
Muchas gracias Seattlecoffeegear por su excelente servicio.
Veronica V. (Posted on 4/20/2013)
Fantastic machine!Review by Mudgey
This is a fantastic machine, it is really solidly built and weighs a ton. The finish is awesome and looks fantastic in our kitchen. During the first few times using the machine I found a puddle of water growing on the counter top under the machine. A quick call to SCG soon determined that the metal pug in the bottom of the drip tray needed to be tightened, doing this cured the problem.

My only question is why the brew head pressure gauge only ever gets to the bottom of the green section of the dial. So what is the rest of the green section needed for?

All I need to do now is to be able to pull great shots consistently and this is down to me.! (Posted on 4/12/2013)

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