The R222 Second-Stage regulator is a UL listed regulator designed to reduce the outlet pressure from a First-Stage regulator, to 11 inches WC in domestic installations. Vents are screened with standard orientation over the inlet. Fisher® Second-Stage regulators are painted palm green for easy identification. The Fisher® Type R222 is equipped with a stainless steel inlet screen to reduce the amount of debris entering the regulator.

The R222 is designed for small domestic applications up to 650,000 BTU/HR.

Second-stage regulators are UL® listed regulators designed to reduce the outlet pressure from a first-stage regulator, usually 10 psig to 11 in. w.c., in domestic installations. Vents are screened with standard orientation over the inlet, but other orientations are available. R622, R642 and R652 are equipped with a stainless steel inlet screen to reduce the amount of debris entering the regulator. HSRL regulator designed for light commercial applications up to 2,600,000 BTU per hour. It utilizes a high strength cast iron body and a 3/4 in. NPT drip lip vent design. The PFC and SFC feature an angle-body design. The design also includes a high capacity internal relief valve