The Fisher R632 integral two-stage regulators contain a non-adjustable first-stage regulator on the inlet, and choice of second-stage outlet range for small domestic loads. The combination of a high capacity relief valve and large vent provide overpressure protection which exceeds UL standards. The compact size of this unit makes it ideal for tight fit applications and installations where piping distance is short.

The R632A is configured for low pressure inches water column outlet, while the R632E provides 2 psi outlet pressures. Propane flow capacities reach up to 950,000 BTU/hr. Maximum inlet pressure is 250 psig (17.2 bar) with an emergency outlet rating. Inlet options include 1/4in female NPT or female POL, with outlet sizes of 1/2 or 3/4in female NPT. The first-stage vent is 7/16-24 inverted flare, and the second-stage vent is 3/4in NPT screened. Operating temperature range is -20 to 160°F (-29 to 71°C). The regulator has a 20-year recommended replacement life and is UL listed and CRN certified.

Fisher equipment must be installed, operated and maintained in accordance with Federal, state, and local codes and Fisher instructions. Only personnel trained in the proper procedures, codes, standards and regulations of the LP-gas industry should install and service this equipment.