Crew Comparison: Breville Dual Boiler Vs. Rocket Premium Plus with PID

How Does It Compare?

Don’t judge a book by its cover. The Breville Dual Boiler and Rocket Premium Plus are two completely different looking machines packed with impressive espresso power! The Breville Dual Boiler, as the name implies, features a double boiler while Rocket Premium Plus comes equipped with a heat exchanger. For someone looking to purchase one of these beautiful machines, one question to ask yourself is what type of boiler do you want: heat exchanger or double boiler?

BrevilleDual_Front The Breville Dual Boiler features two boilers that reach brew and steam temperature independently.

There’s a heated debate about which type of boiler is better. Double boilers have a dedicated boiler for brewing and steaming, which allows you to accurately dial in the correct temperature for each independently. A heat exchanger has one boiler at steam temperature and a tube siphoning water from the reservoir through a chamber within the boiler that indirectly heats the water to a brewing temperature. While this method isn’t always consistent, an estimated brew temperature is based on the length of the chamber.

You’re probably wondering why this is even a debate. It sounds like you’d want a double boiler for consistency. We’ve dived into the differences in a past post you can check out here, but the gist is that heat exchangers are continually siphoning fresh water to brew while double boilers use water that’s collecting minerals from boiling. That’s not to say a double boiler makes worse brewing water, but the argument is how the water’s heated to brew. A double boiler actually has a quicker recovery time to brew drinks back to back, so you might consider in your comparison for the right espresso machine for you.

Shot

Breville is known for its user-friendly functionality and they certainly didn’t let us down! The Dual Boiler is outfitted with two programmable buttons that set your customized espresso volume and temperature settings. Or opt for the manual button to control the process. There’s also a little extra cushion for newbies: Breville comes with non-pressurized and pressurized portafilter baskets to make up for inconsistent coffee grounds (you know, the occasional chunkier grounds). Hallelujah! This semi-automatic has a little bit of something for entry level and experienced baristas.

The Dual Boiler features digital interface and programmable buttons to easily customize your drink. The Dual Boiler features digital interface and programmable buttons to easily customize your drink.

The same can’t be said for the Rocket Premium Plus—it’s all hands on! It comes with the standard non-pressurized baskets and the PID is the only digital control you have over this machine, otherwise, you’re manually controlling pre-infusion and brew time. The Rocket’s manual lever mechanics are reminiscent of traditional Italian espresso and is well suited for this machine’s sleek design, but that does mean you’ll have to dedicate yourself to expanding your barista skills and techniques.

The Rocket's built in PID is purposefully hidden underneath the drip tray to maintain the sleek appearance. The Rocket's built-in PID is purposefully hidden underneath the drip tray to maintain the sleek appearance.

Being consistent on a heat exchanger adds an extra challenge for brew temperature, but the legendary E-61 brew head uses a thermal siphon system to maintain the brew head temperature and makes your espresso consistently hot—and the brew head even hotter. Seriously, don’t touch that bad boy! It’s too hot to handle. Jokes aside, the E-61 brew head is exposed and poses a risk for burning whereas the Breville Dual Boiler also features an enclosed heated brew head that’s out of harms way.

Steam

Both use a traditional steam arm, which generally take practice to perfect your frothing technique. If you’re willing to put in the time, these machines are capable of making delicious steamed milk in short order. Bonus points go to the Rocket Premium Plus for outfitting it with a no-burn wand making cleanup a breeze. We will say while the Rocket is a no-burn that doesn’t mean it’s not hot—it’s on fire! After making ourselves a latte, we needed to use a towel to handle the steam arm. With the Breville steam wand, you’ll also want to keep a towel nearby to quickly wipe it off after use, as it becomes a bit harder to clean if you leave it too long. While it may take a bit more cleanup, Breville designs its products to be incredibly convenient and added a finger guard loop that makes it easier to adjust the wand for steaming and cleaning even when it is hot.

Showing off the steam power on the Breville Dual Boiler. Showing off the steam power on the Breville Dual Boiler.

Circling around to the PID again, they upgraded the Breville Dual Boiler so you can adjust the steam boiler temperature between 265ºF – 285ºF. The PID on both machines will keep the temperature within  one degree of the set temperature. Since the Rocket is a heat exchanger, the boiler is designed for steam and that’s pretty evident when you turn it on. The Rocket’s steam pressure is comparable to the Nuova Simonelli’s. Hands down, the Rocket Premium Plus has powerful steam and we’d even venture to say it’s more powerful than the Breville Dual Boiler.

P.S. The Rocket uses Celsius, so Fahrenheit users will have to convert the temperature. That’s what you get when you get a Rocket hand-made in Italy.

Style

Every Rocket’s hand-made in Italy with individual personality showing through the fine details. Rocket’s contemporary design will look flawless in brewer’s kitchens while it’s traditional components please espresso enthusiasts. The Premium Plus, both the Giotto and Cellini models, are purposefully constructed with simple turn knobs and levers and has no visible technology. Like we mentioned before, there is a digital PID, which has far better temperature control than without it, but Rocket was stern on maintaining a clean, structured style.

The Rocket Giotto Premium Plus features sleek designs with kicked out side panels. The Rocket Giotto Premium Plus features sleek designs with kicked outside panels.

The Breville Dual Boiler owns its modern design and is outfitted with a list of convenient features. The brushed stainless steel maintains uniform with many of today’s kitchen appliances. The pressure gage placed front and center on the Dual Boiler adds some vintage taste alongside those convenient programmable features. In fact, Breville hides a lot of the components, such as the three-way solenoid valve that’s clearly visible behind the Rocket’s brew group. The Breville Dual Boiler user-friendly features such as being able to program the auto-on time and alerts make the Breville’s overall design a crowd pleaser.

Conclusion

There’s a lot we could say about the Rocket Premium Plus and Breville Dual Boiler: They’re both close in price and feature similar capabilities suitable for entry-level to prosumer. For a powerful, hands-on Rocket, we’ll be preaching, “Practice makes perfect,” to anyone hesitant on buying a more manual espresso machine. The Rocket Premium Plus isn’t as complicated as you’d think—actually, we’d say its simple mechanics make it easier to control and allows you to focus on mastering your grind and extraction time to achieve your perfect espresso. Of course, Breville Dual Boiler compensates a little more for entry-level baristas with its programmable buttons that let you set your espresso settings, removing all the guesswork each time you brew. Then, of course, we’ve dived into the debate between two types of boilers. Each boiler design has its own list of pros and cons for different people. We’ll just say, checking out all the machine on the market, the way the machine’s mechanics are handled impacts the quality. Breville and Rocket both excellence in quality and the proof is in the coffee.

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