Fisher HSR-1-1.25-2.2 1" Gas Regulator 1.25-2.2 PSI 3/16" ORIFICE

The Fisher HSR-1-1.25-2.2 1" Gas Regulator is a pressure control component used in gas distribution systems to maintain stable outlet pressure for burners, and heating equipment. It regulates incoming gas to a consistent range of 1.25-2.2 PSI, using a spring-loaded diaphragm and a 3/16" orifice for controlled flow adjustment within HVAC systems. This unit is commonly used in commercial and industrial heating systems, rooftop units and process heating applications. It works an essential role in ensuring steady combustion performance, protecting downstream equipment, and maintaining proper fuel delivery within gas-fired system operations.