FermZilla Conical Fermenter - 7.1 gal. / 27 L

FermZilla Conical Fermenter - 7.1 gal. / 27 L

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The new and improved FermZilla in 27L brought to you by the critical minds and engineers behind the original Fermentasaurus Gen 1. Although the original Fermentasaurus was revolutionary at the time of its conception, there's always room for improvement. This is partly due to the strong community of Fermentasaurus users who have helped push for an improved conical unitank.

The FermZilla is the perfect option for brewers that want all the advantages of a conical fermenter without the price tag of a full blown stainless steel unit. It allows you to dump trub, harvest yeast, and with the addition of the 27L FermZilla Pressure Kit, you can carbonate and serve – all in one vessel! The clear PET tank allows you to visually monitor fermenation activity and is pressure rated to 2.4 Bar (34.8 psi), which means you can ferment under pressure, reducing ester and fusel alcohols in your finished beer. This also gives the ability to perform pressure transfers. If you prefer to move your finished beer to a keg or other vessel, you can do so with little to no oxygen exposure.
New and Improved:
1. Larger Dump Valve - 3" butterfly dump valve is more resistant to clogging from large amounts of trub
2. Larger Opening - 4.75" top port opening allows for easier cleaning
3. Less Headspace - more appropriately sized for 5-gallon batches. Purging the headspace of oxygen is easier and more effective.
What's Included:
  • FermZilla 27L Tank with Butterfly Dump Valve
  • Reinforced Stainless Steel Stand
  • Top Lid with PRV (35 psi)
  • 1000 ml Collection Container & Lid
  • 3-Piece Airlock
  • Graduation Sticker
  • Adhesive Thermometer
  • Strap Wrench
  • Spare Seals


  • 27 L (7.1 gal) Total Volume
  • Pressure Rated to 2.4 Bar (34.8 psi)
  • Temperature Rated to 122°F (high temp replacement tank coming soon!)
  • Height in Stand - 28.3"
  • Height w/ Airlock - 32.7"
  • Tank Diameter - 13.9"
  • Diameter in Stand - 15.7"

Please note: when using the FermZilla under pressure, you must perform a water pressure check to ensure your connections are leak proof. To do this, fill your FermZilla up with water, apply at least 15 psi pressure, and check for leaks around all caps and threads.  

California Recipients: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Item # FE110
Shipping Eligible for Free Shipping Program
Availability California - In Stock
Pennsylvania - In Stock
Weight 12LBS

Community Q&A

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Browse 18 questions Browse 18 questions and 69 answers
Why did you choose this?
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Research: best unitank for the money, allows pressurized fermentation and closed transfer, also SOLID design from what I can tell of similar products
Alex C on Oct 17, 2019
Fermentation under pressure with a plastic fermenter
Yann L on Oct 9, 2019
Research: best unitank for the money, allows pressurized fermentation and closed transfer, also SOLID design from what I can tell of similar products
Alex C on Oct 17, 2019
Reviews are amazing and itll will help with my cider
Jeremy L F on Oct 10, 2019
Fermentation under pressure with a plastic fermenter
Yann L on Oct 9, 2019
Wanted a smaller sized fermenter with capability to do closed transfers to compliment my 14g conical
Tracy R on Oct 9, 2019
Ferment and serve in one tank.
Kurt W on Oct 9, 2019
Yeast extraction capability and trub seperation.
BigTasty on Oct 4, 2019
Justin C on Oct 2, 2019
Have Fermentasaurus and want a smaller one also. Great for wine and beer.
Raymond Stieber on Oct 2, 2019
To rack into after primary fermentation, add sugar and carbonate followed by cold crashing and removal of yeast, then transfer to either 5 gallon keg or bottles. A little bit innovative I dare say. I will also use it for fermenting lagers under pressure at room temperature.
Godwin I. M on Sep 25, 2019
For all the things it does.
Travis Nissen on Sep 24, 2019
Ease of use
Thomas B on Sep 19, 2019
like my version 1, but it had drawbacks so wanted to updgrade
Brian B on Sep 16, 2019
To ferment under pressure
Steven W on Sep 14, 2019
What to Ferment under pressure to see if it will improve the beer.
William M on Sep 14, 2019
I like the idea of carbonating in the fermenter.
Todd R on Sep 14, 2019
I have one and loved it, but I put boiling water in it and melted the plastic...
Benton K on Sep 14, 2019
Ability to ferment under pressure and closed transfers. Dry hopping with the ability to purge the cup is nice feature. Do wish there was a pin lock option and that the pressure kit was actually available to order with the fermenter.
Colin J L on Sep 12, 2019
Based on reviews and customer feedback
Thomas T on Sep 10, 2019
Price point is much better than stainless.
John H on Sep 9, 2019
This fermenter looks well thought out. And for the price...
Steve Y on Sep 7, 2019
Price is right for a plastic conical
Philp G on Sep 6, 2019
kody g on Sep 6, 2019
This fermenter seemed to meet my needs and had positive reviews
Michael J J on Sep 6, 2019
Good aussie commercial
Magnus L on Sep 3, 2019
size and value
Travis K on Sep 2, 2019
It appears to me a great deal for what you get.
Louie on Aug 31, 2019
my son wanted this for his birthday
Dixie M on Aug 28, 2019
Kelly D on Aug 28, 2019
Wanted to improve my beer brewing.
David Stephens on Aug 28, 2019
Close transfer ability to keg
Ryan L on Aug 28, 2019
The reviews, and it has all the features I am looking for
Ross Lehner on Aug 28, 2019
Looks like the best fermenter
Nicholas W on Aug 28, 2019
looked easier than my 12 gallon unit.
KEVIN M on Aug 28, 2019
Ability to ferment, clear, and rack in one pressurized vessel. In addition great price point.
Michael M on Aug 28, 2019
better fermentation time, greater options in beer recipes, more flexible
Marc A on Aug 28, 2019
Price and features
Ronald R on Aug 28, 2019
looks cool
C H on Aug 28, 2019
best choice in size and offer
Don C on Aug 28, 2019
Features and size were ideal
William T George on Aug 28, 2019
Want a low cost Unitank
Hermann P on Aug 28, 2019
Have the Robobrew from Kegland and seems like this is the best price and value option for a pressurized conical fermenter.
John W on Aug 28, 2019
To ferment under pressure
Robert H on Aug 28, 2019
To ferment under pressure, ales alts Kolsch and lagers.
Brian Hawthorne on Jul 25, 2019
Wanted to step up to conical fermenter and thought this had good features and value
Roger L on Jul 15, 2019
Happy with the first generation Fermentasaurus. Looking forward to the improved design.
Virginia H on Jul 15, 2019
Seems like it should work well.
Brian on Jul 15, 2019
wide mouth collection jar fitts in keezer with air lock
Theodore K on Jul 15, 2019
Great reviews on the previous model
Ryan Green on Jul 15, 2019
Reviews are amazing and itll will help with my cider
Jeremy L F on Oct 10, 2019
Wanted a smaller sized fermenter with capability to do closed transfers to compliment my 14g conical
Tracy R on Oct 9, 2019
Can you rack directly to bottles from this unit?
Tom DePoto on Aug 24, 2019
BEST ANSWER: Hello Tom, we don't see why not. You can always set up a racking cane to pull from the top and bottle from there. If you have CO2, you can use that to push your beer out using the pressure kit (item FE134).
Can you purge the Collection Container?
Ryan White on Jun 27, 2019
BEST ANSWER: Hi Ryan - Is purging referenced in regards to dry hopping? If so, take a look at this thread on the subject: https://www.homebrewtalk.com/forum/threads/easiest-way-to-purge-hops-with-co2-using-a-fermentasaurus.648512/
so how would you take a hydro reading when under pressure?
Rick Runyan on May 9, 2019
BEST ANSWER: Hi Rick - The floating dip tube is connected to the bev out post, so you can use a picnic tap or something of the like to take a sample.
Can you install a test port like you can on the fast fermenter?
Rick Runyan on May 5, 2019
BEST ANSWER: Hi Rick - The plastic on the Fermzilla is too thin to install a test port.
I'm thinking of using this for small batches (2-3 gal.). Will the excess headspace in this fermenter be okay for the beer?
Ben Geib on Sep 21, 2019
BEST ANSWER: It may be OK for the lower abv, quick turnaround brews. I would not use as intended and take off the yeast for conditioning due to the addition of oxygen when you put canister back on with such small volume of beer. Efforts to mitigate could be to purge with co2 or add a finished beer (which heavily influenced a small batch). Same issue for dry hopping. Etc. I'd get a smaller brew demon or stainless bucket fermenter if I were you.
Does anyone know if there will be a thermowell option and CIP (clean in place) option as well?
Jack Carlos Slovenski on May 30, 2019
BEST ANSWER: Hi Jack - Currently there is not an option for a thermowell and CIP ball for this fermenter.
How do you transfer beer from the new style Fermzilla to a Cornielus keg?
Thank you.
Jeffrey L Palmer on Oct 14, 2019
BEST ANSWER: Pressure transfer with two psi differential work good with minimal forming. Example: 12 psi on the fermenter and 10 psi on the corny keg controlled by a spunding valve
Can I use this one for wine fermentation?
Adil Poyraz on Oct 13, 2019
BEST ANSWER: I don't see why not.
What size are the threads on the lid where the quick disconnects thread on?
jeff royster on Sep 23, 2019
BEST ANSWER: Same as a soda bottle.
Hello, I have a FermZilla on the way. Thanks! Is there anyway I could get a "Jacket" ? I'd like to temperature control the brew. They are available in AU but they cannot ship. Any idea when they will be available?
David Fontaine on Sep 6, 2019
BEST ANSWER: Hi David, the Fermzilla Jacket is currently in development in our system. We're planning on getting out first order toward the end of October - early November. We'll release the item on our website when we have more information.
Any plans for replacement parts? I buggered my lid and I am unable to pressurize.
John Morris on Aug 25, 2019
BEST ANSWER: Hi John, yes we do have plans for replacement parts. They are currently in development with no current eta. Please don't hesitate to check in with our customer service team for updates.
Can I use my Fermentasaurus pressure kit with femzilla?same size lid?
Chris Robertson on Aug 23, 2019
BEST ANSWER: Hi Chris, no as the lid of the Fermzilla is wider than the Fermtentasaurus. The lids on the Fermzilla's come fixed with the body connect threads and are covered by plastic caps. The Fermzilla Pressure Kit includes the body connects to install on the existing Fermzilla lid, the stainless float, and silicone dip tube.
What is the width and height?
scott hoppel on Aug 23, 2019
BEST ANSWER: Hello Scott, here go some product specs:
Height in Stand - 28.3"
Height w/ Airlock - 32.7"
Tank Diameter - 13.9"
Diameter in Stand - 15.7"
Can I put boiling wort into this? At one point I thought I heard you can do this? Trying to save time on chilling.
Scott Childs on Aug 9, 2019
BEST ANSWER: Hi Scott - the FermZilla's tank is made from PET and temperature rated to 122°F. However, a PEN replacement tank, which will withstand temperatures up to 212­°F, is in development and will be available soon.
Are ball lock fittings included with the top?
Brian on Jul 11, 2019
BEST ANSWER: Hi Brian - The pressure kit is sold separately - FE101
Fermentasaurus Pressure Kit
Fermentasaurus Pressure Kit
What Temp Control options are available for this? And when will they be available?
Oscar Garcia on Jul 5, 2019
BEST ANSWER: Hi Oscar - We do not carry temp control products specifically designed for the Fermzilla, however, we do carry the Fermentasaurus Jacket and FermWrap fermentation heater.
Will there be a jacket for this like the original fermentasaurus? Or will that jacket work with this?
Andrew Wayland on Feb 2, 2019
BEST ANSWER: Hi Andrew - The FE106 will not fit on the Fermentasaurus Gen 2, but there will be a jacket specifically made for the Gen 2 that should be purchasable when the Gen 2 becomes available.

4.9 / 5.0
20 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Great piece of equipment.
love it. Works better than I thought. Very versatile.

October 17, 2019
4 weeks ago
Great design
Easy to use just lube all gaskets and threads and don’t over tighten.
October 16, 2019
2 weeks ago
Nice improvements
My first batch is still in the fermenter, but all the improvements work as advertised. The trub settled out nicely, no lleaks and better size for 5 gallon batches. Nothing else comes close in this price range.
October 14, 2019
3 weeks ago
Great unitank, so far...
This is a solid build, great seals, and I can't wait to put it through its paces. So far, first batch, so good...

I can't wait to bottom crop with the collection vessel, not to mention fermenting under pressure (with the pressure kit). I thought about trying that with this stout, but I *want* the fruity ale esthers on this...so maybe next time ;)
First run with the Fermzilla.  The build is solid, the seals are great...
First run with the Fermzilla. The build is solid, the seals are great...
October 8, 2019
1 month ago
Great piece of equipment!
This the 2nd conical I've bought and the trub jar and butterfly valve make this thing really easy to use, and the fact your can pressurize it makes it fun. I bought a spunging valve and leave it to ferment under pressure which lets you ferment a little warmer than normal. Easy to use, easy to clean, and you can serve out of it if you want to! The lids and connections need some attention on cleaning but other than that the thing is easy to clean to. Now I just need the 55L one.
October 7, 2019
1 month ago
Great economic conical.
Man, I love this thing. It took a day of testing with water under pressure to learn how to properly use the Fermzilla. I spent some time putting lube on all the orings, and figuring out how to properly tighten everything, but after that it's been rock solid and hasn't so much as dripped a drop. I've held beer under pressure for over a week and it hasn't dropped any pressure at all. Pressure transfer to kegs couldn't be any easier.
I'd highly suggest purchasing the pressure lid and Blowtie with the unit. I consider them required pieces.
Fermenting under pressure.
Pressure transfer.
Cold crashing in keezer.
October 5, 2019
1 month ago
Fantastic. Love doing pressurized fermentation. Opened up doing laggers in a reasonable time frame. Love my Munich helles
September 29, 2019
1 month ago
Impressive and lightweight fermentor.
September 28, 2019
1 month ago
Love it
Noce to be able to dump the trub.
No more transfer to secondary
Easy to clean
September 21, 2019
1 month ago
Can't wait to use it under pressure
The only reason it didn't receive 5 stares it the wait time for the pressure kit to be in stock, almost three weeks now nd it is still teasing me.Can't wait to use it under pressure.
September 15, 2019
1 month ago