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: See Proposition 65 Information
Item # AG476
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 12LBS
Community Q&A

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Why did you choose this?
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No Brainier, 20 bucks to save time.
David B on Jul 23, 2019
Reviews on helping with boil intensity
Nicholas S on Jul 19, 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 N 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
Christmas gift for hubby
Crystal T on Dec 14, 2018
Faster brewing
MJ L on Dec 14, 2018
Insulation is good
Karin J on Dec 14, 2018
Well, 110V is on the low-end power-wise to maintain a steady boil for ~9 gl. Every little bit helps!
John M on Dec 10, 2018
Help with boiling on robobrew
Dwane C on Nov 21, 2018
Will help with energy savings and efficiency.
Valued C on Nov 17, 2018
keeps heat in
Wes B on Nov 17, 2018
recommended by users
Matthew C on Oct 31, 2018
Lower watt heating element with Robobrew. Trapping heat.
Robert T on Sep 17, 2018
need to keep that mash warm!
Brett B on Aug 23, 2018
Temperature control
Darren R on Aug 22, 2018
maintain mash temp
Jim A on Aug 7, 2018
I own a Robobrew and wanted to see what difference this might make in time to reach specified temperatures and boil vigor.
Jon S on Jul 20, 2018
To keep constant mash temperature
John m on Jul 14, 2018
reviews said it helps on heating times and holding temps
Robert T on Apr 24, 2018
recommended for better boil
Roxanna L on Apr 20, 2018
Because I have a Robobrew
David H on Mar 21, 2018
To go with the new brewery - greater energy efficiency
Henry E on Mar 16, 2018
Check out the price! Less than 50% of the Grainfather jacket. Both should be included with the American version of the units.
Scott Panfil W on Mar 3, 2018
I bought this to keep my robobrew warm on cold winter nights.
Richard K on Mar 2, 2018
My water took an hr to heat up outside.
Joseph O on Jul 22, 2019
I bought the RB at HomebrewCon, wanted to show loyalty
Phil M on Jul 11, 2019

4.8 / 5.0
16 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Robobrew jacket.
This should be part of the package. Works great. Looms good.
August 5, 2019
3 weeks 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
1 month 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
3 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
5 months ago
Exactly as advertised!!!
Works as expected. Fits very well on the 35L.
March 9, 2019
5 months ago
Works great, and it fits perfectly.
January 29, 2019
7 months ago
The product was perfect and delivered quickly.
December 3, 2018
9 months ago
A nice robobrew addition
Seems to speed up heating and helps maintain the temperature a bit better. For the price, it's kind of a no-brainer.
October 8, 2018
11 months ago
Exceeded expectations
Wrapped the robobrew in this jacket and had a MUCH faster heat experience. Definitely worth it of you want to get your brew in the fermenter faster. One thing I'd say worth noting is that my step mashes over shot temperature so set the robo brew about 5* lower than adjust up as needed. But once it's at set point it maintains very well.
September 24, 2018
11 months ago
Does what it says it does
September 8, 2018
11 months ago