Fermenter King Junior


Regular price £49.95
266 in stock

Fermenter King Junior is now the world's most affordable 20L pressure fermenter and keg. Junior comes from the same tank mold as the Fermenter King Kegs but utilises the clear PET material of the 35L and 60L Fermenter King Unitanks.


  • Crystal Clear PET Tank.
  • Pressure Lid fitted with Pressure Relief Valve rated to 2.4Bar.
  • Stainless Steel Ball Lock Gas and Liquid Post.
  • Silicone Dip Tube with Stainless Steel Float Ball.

Fermenter King Junior is a great way to ferment Fresh Wort Kits. It's relatively small size makes fermenting up to 18L of wort simple.

Requires a spunding valve attached to an MFL type gas disconnect (not supplied)  to control the internal pressure of your fermenter.

After fermentation, you can carbonate your beer in the Fermenter King Junior.

Attach Fermenter King Junior to your tap system or any hand held tap and serve directly out of the fermenter.

Alternatively,  transfer carbonated beverages easily from Fermenter King Junior into kegs, mini kegs and growlers.


  • 259.4mm Wide at base
  • 586.9mm Height to top of posts



Our deliveries to the UK mainland are via the Royal Mail and DPD.


  • £3.50
  • Up to 5 Working Days
  • Insured Delivery Service
  • FREE for orders £50.00 or above


  • £5.95
  • Next Working Day Delivery
  • Order Before 12pm
  • UK Mainland Only
  • Any Express orders placed on Saturday or Sunday will be dispatched the next working day.


Some items are available on Standard Delivery only. 


We hope you love your new Brew2Bottle purchase and are busy brewing, mashing, fermenting or bottling. However, if you are unhappy with the goods for any reason, please contact the Brew2Bottle team at sales@brew2Bottle or on the Hopline 01254 315082.

Please state your order number in the subject field of your email, so that we can access and amend your order quickly.

If the item is simply unwanted, we are happy to refund the cost of the item within 30 days. However, we don't cover the cost of returns on unwanted items. In the unusual event that you have received a damaged or faulty item, please contact our team as quickly as possible so we can rectify and get your brewing again soon.

As you would expect, this does not affect your consumer rights and our full ‘Terms & Conditions’ can be found at: https://brew2bottle.co.uk/pages/t-cs