BIAC Specifications

jacketed stainless conical

Batch Sizes (approx — due to equipment updates, names on some sizes have been changed as of 2017) )

Small BIAC 
Max grain bill 5.5kg/12lbs 
Max. pre-boil volume 24L/6 gallon
Beer volume 12-20L / 3-5 gallons
Medium BIAC (New model as of 09/17)
Max grain bill 11kg/25lb
Max pre-boil volume 54L/14gal
Beer volume 20-40L/5-10gal
Large BIAC (Called the 'Medium BIAC' prior to July, 2017) 
Max grain bill 16kg/35lb
Max pre-boil volume 76L/20gal
Beer volume 40-60L/10-15gal
1.5BBL BIAC (Called the 'Large BIAC' prior to July, 2017)
Max grain bill 45kg/100lb
Max. pre-boil volume 208L/55gal
Beer volume 80-190L/20-50 gallons 
Max grain bill 82kg/180lb
Max. pre-boil volume 400L/105gal
Beer volume 180-360L/1.5-3BBL
Max grain bill 136kg/300lb
Max pre-boil volume 680L/180gal
Beer volume 360-590L/3-5BBL

Total Volume (approx)

3-in-1 and 4-in-1: 
Small: 30L/8gal flood capacity
Medium: 60L/16gal flood capacity 
Large: 94L/25gal flood capacity
1.5BBL: 240L/63.4gal flood capacity
3BBL: 420L/110gal flood capacity
5BBL: 720L/190gal flood capacity
Mash Colander (volume below top of fermenter):
Small: 18.8L/5gal max volume 
Medium: 38.5L/10gal max volume
Large: 56.5L/14.9gal max volume
1.5BBL : 173.5L/45.8gal max volume
3BBL: 335L/88gal max volume
5BBL: 590L/155gal max volume

Dimensions (approx)

3-in-1 and 4-in-1 (without lid; add minimum 20cm/8" for lid, plus blow off hose height): 
Small: 90cm/35" height (38cm/15" diameter)
Medium: 110cm/43" height (47cm/19" diameter)
Large: 120cm/47" height (55cm/22" diameter)
1.5BBL : 160cm/63" height (66cm/26" diameter)
3BBL: 178cm/70" height; (85cm/34" diameter)
5BBL: 195cm/77" height; (105cm/42" diameter)
Mash Colander (without lid; add 10cm/4" for lid and handle): 
Small: 42cm/17" height; min 7' ceiling recommended
Medium: 52cm/20.5" height; min 9' ceiling recommended
Large: 57cm/22" height; min 9' ceiling recommended
1.5BBL: 77cm/31" height; min 11' ceiling recommended
3BBL: 88cm/35" height;  min. 12' ceiling recommended
5BBL: 103cm/41" height;  min. 14' ceiling recommended


Pressure Rating

3-in-1 (Homebrewery BIAC) 3psi in vessel / 5psi in jacket
4-in-1 (Microbrewery BIAC) 14.9psi in vessel / 7psi in jacket


Ship Weight (approx for fermenter, Mash Colander, fittings and accessories)

Small BIAC 75kg/165lb* with 3-in-1
Medium BIAC 100kg/220lb* with 3-in-1
Large BIAC 112kg/250lb* with 3-in-1
1.5BBL  BIAC 260kg/570lb
3BBL BIAC 475kg/1050lb with 4-in-1
5BBL BIAC 590kg/1300lb with 4-in-1

*4-in-1 adds about 15%


Electrical Requirements

Small BIAC (120V) 120V/12A
Small BIAC (240V) 240V/9A 1Φ
Medium BIAC 240V/20A 1Φ
Large BIAC 240V/23A 1Φ
1.5BBL BIAC Two by 240V/23A 1Φ (Basic Accessories Kit)
1.5BBL BIAC 240V/55A 1Φ  (Complete Accessories Kit)
3BBL BIAC 240V/95A 1Φ (can be wired for 208V 3Φ 4 wire if requested)
5BBL BIAC 240V/140A 1Φ (can be wired for 208V 3Φ 4 wire if requested)


List of hardware that is included with the BIAC package


   Homebrewery BIAC

   Build Your Own BIAC

   Microbrewery BIAC

  • Visa
  • MasterCard
  • Amex