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RoboJacket - Neoprene Jacket for 35L Robobrew / Brewzilla / DigiBoil

RoboJacket - Neoprene Jacket for 35L Robobrew / Brewzilla / DigiBoil

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Add some insulation to your Robobrew to get better boils! This jacket will fit all 35L Robobrews / Brewzillas / DigiBoils and help keep the heat in for quicker and more vigorous boils.


  • 10% faster heat up time
  • 50% less heat loss from boiler
  • Fits the 35L Robobrew/Brewzilla with pump and without pump (all generations)
  • Left cut out for the valve
  • Right cut out for the bottom handle featured on the DigiBoil
  • Made from thick neoprene, which is easy to wash after use


California Recipients: WARNING: Cancer -
Item # AG476
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 12 LBS
Community Q&A

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Why did you choose this?
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Fit the brewer.
John K on Dec 4, 2019
Conserve energy during mashing and boiling
Charles P on Dec 4, 2019
Fit the brewer.
John K on Dec 4, 2019
To help with keeping the robobrew insulated during mash and boil.
William C on Dec 4, 2019
Conserve energy during mashing and boiling
Charles P on Dec 4, 2019
Helps maintain heat efficiency
Timothy E on Dec 4, 2019
Help reach boil temp faster
Jake M on Dec 2, 2019
Upgrading my brewing game!
Herminio A on Dec 1, 2019
Recommend with still
Brett C on Dec 1, 2019
to help with temperature loss of system
Laura B on Nov 25, 2019
Quicker heat up time
Mike K on Oct 28, 2019
To help maintain temps while brewing
Chris W on Oct 28, 2019
quicker Boils and Temperature holds
Jay L on Oct 18, 2019
faster heating times and better boil
Gian S on Oct 9, 2019
Faster heating and better temp control
Brandon W on Oct 5, 2019
To assist unit in retaining heat.
Matthew Mitchell on Oct 4, 2019
Might fit my mash and boil
Bryce K on Oct 3, 2019
It makes total sense to buy this if you want to use less energy maintaining temp.
Zachary M on Sep 25, 2019
Husband just got a Robobrew
Emily S on Sep 9, 2019
Help maintain heat.
Jared A on Sep 9, 2019
Mark M on Sep 6, 2019
Extra insulation for more stable mash temperatures
Zachary R K on Aug 29, 2019
No Brainier, 20 bucks to save time.
David B on Jul 23, 2019
My water took an hr to heat up outside.
Joseph O on Jul 22, 2019
Reviews on helping with boil intensity
Nicholas S on Jul 19, 2019
I bought the RB at HomebrewCon, wanted to show loyalty
Phil M on Jul 11, 2019
I just bought a digiboil and need the jackets for it
William Skinner on Jul 5, 2019
speed up boil
Brad T on Jul 1, 2019
To save money
Lloyd G on Jun 26, 2019
Wanted it
BRIAN M on Jun 24, 2019
Minimize heat loss in DigiBrew sparge water heater
Ryan Gibson on Jun 22, 2019
To keep temperatures under control better.
Ray De S on Jun 18, 2019
Recommended by staff at store.
Gene L on Jun 10, 2019
to control mash temp a little bit better
Zach b on Jun 6, 2019
Help sustain temperature
Mitchell G on May 24, 2019
Sensible addition for price
Kathlyn W. F on Apr 15, 2019
I want to brew berr from the comfort of my own home and try new flavors.
Marvin B on Apr 8, 2019
Need it
Geoffrey S on Apr 2, 2019
I recently purchased a 35L Digiboil and forgot to add this.
David S on Mar 22, 2019
To get to temp quicker and help with a more vigorous boil on my 35L Digiboil.
Aaron Newman on Mar 19, 2019
I hope this will help maintain mash temperature and decrease time to boil and perhaps increase the vigor of the boil as well.
Darrell B on Mar 18, 2019
I picked it to help with the efficiency of the system.
Raymond Van N on Mar 11, 2019
Better temp control
Eric R W on Mar 4, 2019
Gotta keep those temps up!
RICHARD C on Jan 31, 2019
Heat retention.
Robert B on Jan 31, 2019
Quicker heating
Austin G on Jan 30, 2019
was also included as free item
Walls P on Jan 29, 2019
Good reviews and think it will help temps and time to boil
PETER H on Jan 26, 2019
Brewing in garage in cold weather.
Justin S on Jan 25, 2019
was recommended
Shawn G on Dec 28, 2018
To help my Robobrew maintain a good boil
Matthew K on Dec 27, 2018
It's easier than the blankets I used to use
Steven B on Dec 15, 2018
To help with keeping the robobrew insulated during mash and boil.
William C on Dec 4, 2019
Helps maintain heat efficiency
Timothy E on Dec 4, 2019

4.6 / 5.0
20 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Helped achieve and maintain a good rolling boil in my DigiBoil. Remember to hand-wash and drip dry when needed.
Added to the quality of the boil significantly.
September 25, 2019
3 months ago
Pretty Much Required
Don’t think about it, just but it when you buy your RoboBrew. Helps getting a stronger boil and getting to temperature faster. Pretty inexpensive too.
September 21, 2019
3 months ago
Works great
The jacket did a nice job holding temperature throughout the brewing process.
September 14, 2019
3 months ago
Happy with Brewzilla, but not so much with the RoboJacket
As noted by another reviewer, the handle and faucet cutouts do not fit properly on the Brewzilla (aka Robobrew) V3.1, but you can make it work if you are willing to locate them way off-center. The bigger problem is that the fit is VERY tight and the velcro closure is located directly under the vertical recirculation tube. It is extremely difficult to get the thing on without damaging the tube. Why is the velcro closure under the tube? There is plenty of room to locate it an unobstructed position. The insulation works well, but the design needs some modification.
August 31, 2019
3 months ago
Robobrew jacket.
This should be part of the package. Works great. Looms good.
August 5, 2019
4 months ago
Could have been a 5 Star product but wasn't thought through all the way
Terrible fit on the cutouts... One Cannot properly Center it on the Robobrew / FermZilla without losing one of the cutouts and the jacket rolling up ... But if you off center it you can make it work.. it does what it says in helping it to heat up faster and work more efficiently then it would if it didn't have one.. for that I give it just three stars when it could have been a five-star product
User submitted image
Added Jul 24, 2019
July 24, 2019
5 months ago
Robobrew jacket
At first I didn't think it would fit but heated water in Robobrew and it , with some force fit. Boils are more vigorous now. Great product!
June 7, 2019
7 months ago
Works Great
I bought this for my Digiboil (9.25 gallon 1500watt, 110volt) unit. It fits pretty well not perfectly but well enough to do its job. It lowered my warm times quite a bit.
March 27, 2019
8 months ago
Exactly as advertised!!!
Works as expected. Fits very well on the 35L.
March 9, 2019
9 months ago
Works great, and it fits perfectly.
January 29, 2019
11 months ago