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The Fisher R600 series second-stage regulators are designed to reduce the outlet pressure from a first-stage regulator in domestic applications. Inlet and outlet gauge taps allow for easy system testing. The combination of a high capacity relief valve and large vent provide overpressure protection that exceeds UL standards. When used in conjunction with an R122H or R622H, the two-stage system will limit the downstream pressure to 2 psig even in a double failure situation.

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.

Features:

10 psig (0.69 bar) maximum inlet pressure
Propane flow capacities up to 1,500,000 BTU/hr
1/2 or 3/4in female NPT inlet
1/2 or 3/4in female NPT oulet
3/4in NPT screened vent
-20 to 160°F (-29 to 71°C) operating temperature
20-year recommended replacement life
UL listed & CRN certified

All Models:

Model Number	Body Design	Outlet Pressure Adjustment Range	Connections Inlet x Outlet	Capacity BTU/HR Propane	Vent Locations
R622E-BCH	Straight-through	1 to 2.2 psi	1/2" FNPT x 1/2" FNPT	1,250,000	Over Inlet
R622E-DCH	Straight-through	1 to 2.2 psi	3/4" FNPT x 3/4" FNPT	1,250,000	Over Inlet
R652E-DFH	For back mount installations	1 to 2.2 psi	3/4" FNPT x 3/4" FNPT	1,400,000	Over Inlet

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