Premium Series Primary CO2 Regulator Battery Add-On

Primary CO2 Regulator Add-On


Easily convert any primary CO2 regulator into a dual product primary regulator! Ideal for dispensing two draft beers that require different CO2 pressures. Add-on module type design makes expansion easy.


  • Built for durability: Forged brass body with a chrome plated finish
  • Nickel—plated valve seats for high corrosion resistance
  • Constant pressure supply at high output flow rates
  • Easy to use dial knob for pressure adjustment
  • Built in CO2 resistant, long lasting solid Nylon inlet seal
  • Integrated sintered bronze mesh inlet filter
  • View Addon System
  • View More Addon System

WARNING: This regulator must be connected to a primary CO2 regulator (see above photo)! The threaded high pressure port on the left hand side is designed for a tank mount (primary) regulator. Not connecting a regulator to this exposed port will allow high pressure CO2 to vent straight through the regulator body.

Batteries with more then two regulators should be wall mounted. This is done with the addition of wall brackets for mounting and a high pressure CO2 hose for connection to the gas cylinder. To prevent your gas cylinder from falling over and damaging the regulators, be sure the cylinder is always secured in an upright position with either a chain or strap.

Additionally, be sure the cylinder is located away from any sources of heat. (For more information, see Do I need to keep the CO2 tank inside the refrigerator?)


Do I need to keep the CO2 tank insidethe refrigerator?


TypePrimary Regulator Battery Add-On - CO2
InstallationCO2 tank mount (CGA-320 Threads)
Performance1 Pressure / 1 Product
Output Pressure Gauge0-60 PSI, for accurate product pressure
High Pressure PortCGA-320 connection for a Primary CO2 regualtor
CapacitySCFM 3.5 Max
Outlet Barb3/8" O.D. (To fit 5/16" I.D. Gas Hose)
Integral PRVSafety pressure relief valve releases at 55-65
Customer Reviews

Replacement Parts
ItemPart #DescriptionPriceAvail.Qty 
1 624 0-60 lb Regulator Gauge $10.33 In Stock
1A 84073 0-120 lb Regulator Gauge $14.11 In Stock
2 6603 0-3000 lb Regulator Gauge $10.46 In Stock
3 1319200 Bonnet Assembly $12.49 Out of Stock
4 3100432 Button-Spring Retainer $1.82 In Stock
5 3902331 Bonnet Spring $1.76 In Stock
6 3200850 Washer, Premium Regulators $1.82 In Stock
7 1302515E Diaphragm Assembly $9.52 In Stock
8 MM6400-P Regulator Repair Kit $28.35 In Stock
9 3500144 Spring, Premium Regulators $2.90 In Stock
10 751-107 Gas Shut Off $10.67 In Stock
11 4201080 Chrome CO2 Nut $5.47 In Stock
11A 840-13N Inlet Nut $7.02 In Stock
12 4201051 Inlet Stem, Chrome $12.56 In Stock
12A 4382 Inlet Stem, Chrome $15.53 In Stock
12B 840-12N Inlet Nipple $6.08 In Stock
13 3500138 Inlet CO2 Filter $0.95 In Stock
14 3200086-N PTFE Inlet Seal $1.15 In Stock
14A FG-058 O-Ring, N2 Regulator $0.54 In Stock
15 4201075 Inlet Seal Retaining Nut $0.95 In Stock
741-083 Regulator Bonnet Tool $101.25 Low Stock
1302560 Regulator Wall Bracket $6.01 Low Stock
16 1319005 Pressure Relief Valve $9.45 In Stock