773-092

This premium two-stage air pressure switch is a vital safety component for high-efficiency gas furnaces and residential HVAC systems. Designed as an air proving switch, it monitors the vacuum pressure produced by the draft inducer motor to ensure that combustion gases are being properly vented before the heating cycle begins. This dual-stage switch features precise calibration for multi-stage heating units, helping to maintain optimal efficiency and system safety. If your furnace is experiencing ignition failure or cycling issues related to pressure faults, this durable replacement part provides the reliability needed to restore your home heating system to peak performance. Built to withstand the rigors of frequent cycling, it ensures that your furnace operates only when safe venting conditions are met.
Type: Air Pressure Switch
Size: Medium
Application: Specifically designed for use in two-stage gas furnaces and residential heating systems to monitor venting pressure and ensure safe inducer motor operation.
Specifications: Dual-stage operation; Pressure set points: -0.10" WC (Water Column) and -0.20" WC; Function: Air proving and vacuum sensing; Compatible with multi-stage heating applications.