773-097

This premium two-stage air pressure switch is a vital safety component for residential gas furnaces. Designed to monitor the draft inducer motor's performance, this air-proving switch ensures that the heating system is venting combustion gases properly before allowing the ignition process to begin. By detecting specific vacuum levels, it protects your home from potential hazards associated with blocked vents or inducer motor failure. This dual-stage component features precise setpoints of -0.35" WC and -0.65" WC, making it essential for maintaining the efficiency and safety of high-performance heating units. If your furnace is experiencing ignition failure or displaying pressure switch fault codes, this high-quality replacement part provides a reliable solution for restoring consistent climate control.
Type: Air Pressure Switch
Size: Compact
Application: Used in two-stage gas furnaces and HVAC heating systems to monitor vacuum pressure and ensure proper venting during the combustion cycle.
Specifications: Dual-stage operation; Setpoints: -0.35" WC / -0.65" WC; Purpose: Air proving and safety monitoring for draft inducer blowers.