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Fisher™ Type R622H First-Stage Regulators
Type R622H is an Underwriters Laboratories (UL) listed regulator designed for Two-Stage LP-Gas systems.
These units are designed to reduce the tank pressure to 10 psig / 0,69 bar.
Fisher™ Type R622H First-Stage Regulators


Body Sizes and End Connection Styles (inlet x outlet)
1/2-inch FNPT, FPOL x 1/2-inch FNPT, FPOL x 3/4-inch FNPT, and 3/4?inch FNPT
Maximum Allowable Inlet Pressure
250 psig / 17,2 bar
Outlet Pressure Ranges
4 to 12 psig / 276 mbar to 0,83 bar
Up to 2.4 MBTU/hr
Vent Size
3/4 NPT screened
Temperature Capabilities
-20° to 160°F / -29° to 71°C
Approximate Weight
With FPOL: 2.12 lbs / 961.8 g
With NPT fitting: 1.73 lbs / 784.8 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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