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Fisher™ Type R122H First-Stage Regulator
Fisher Type R122H is an UL listed regulator designed for Two-Stage LP-Gas systems.
The unit is designed for use as a first-stage regulator for domestic applications, perfect for tight installations. Stainless steel internal parts and corrosion resistant coatings provide Recommended Replacement Life of 20 years. Inlet and outlet gauge taps allow easy system testing, even in underground tanks. The outlet pressure set point remains at a nominal factory setting of 10 psig / 0,69 bar.
Fisher™ Type R122H First-Stage Regulator


Body Sizes and End Connection Styles (inlet x outlet)
1/4-inch x 1/2-inch NPT
Maximum Allowable Inlet Pressure
250 psig / 17,2 bar
Nominal Outlet Setting
10 psig / 0,69 bar non-adjustable
1,100,000 btu
Vent Size
3/8 NPT screened
Temperature Capabilities
-20° to 160°F / -29° to 71°C
Approximate Weight
1.2 lbs / 544 g


  • 20-Year Recommended Replacement Life
  • Inlet/Outlet Gauge Taps for easy system checks
  • Improved Regulation
  • Easy Installation
  • Superior Overpressure Protection
  • Corrosion-Resistant
  • Positive Draining Spring Case
  • Durability


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