773-312

Ensure your heating system operates at peak safety and efficiency with this dual-threshold air pressure switch. Designed as a critical safety component for high-efficiency forced-air furnaces, this air proving switch monitors the pressure differential created by the inducer motor. By verifying that the exhaust fan is venting correctly, it allows the ignition process to proceed safely, preventing the buildup of dangerous combustion gases. If your furnace is failing to ignite, short-cycling, or experiencing intermittent shut-offs, a faulty pressure switch is a common cause. This high-quality replacement part is engineered to maintain precise pressure thresholds, ensuring your HVAC system meets the necessary airflow requirements for consistent climate control.
Type: Air Pressure Switch
Size: Standard HVAC Component
Application: Commonly used in residential gas furnaces and HVAC blower assemblies to monitor inducer motor draft and exhaust venting safety.
Specifications: Dual-action pressure sensing; 0.90" WC and 0.65" WC set points; designed for air-proving safety circuits in heating equipment.