secure brazing or soldering

secure wiring during field service

this OEM-grade relay provides the exact electrical specifications required to maintain UL compliance and system safety

OEM Compatibility: Exact drop-in replacement for York

Natural gas and liquid propane operate at different pressures

White-Rodgers 770-1 Air Switch Els PW 17895 secure brazing or solderingThe White Rodgers 770 1 Air Switch is a versatile, field adjustable differential air pressure switch designed for critical proving applications in HVACR systems. Featuring a SPDT (Single Pole Double Throw) snap action switch, this unit can be configured to actuate on positive, negative, or differential pressure. Unlike standard sail switches that are prone to mechanical fluttering, the 770 1 utilizes a robust enclosed diaphragm design that remains