773-282

Ensure the safe and efficient operation of your two-stage gas furnace with this high-quality air pressure switch. Designed as a critical safety component, this air proving switch monitors the draft inducer motor's performance to confirm proper airflow and exhaust venting before allowing the ignition process to begin. If your heating system is failing to ignite or shutting down prematurely, a faulty pressure switch may be the cause. This dual-stage replacement part is engineered for precision, featuring specific set points of -0.17" and -0.86" water column to support high-efficiency heating cycles. Ideal for residential HVAC maintenance and repair, this switch helps prevent hazardous conditions by ensuring your furnace only operates under safe venting parameters.
Type: Air Pressure Switch
Size: Standard HVAC Component
Application: Compatible with two-stage gas furnaces and high-efficiency residential heating systems requiring dual-stage pressure monitoring.
Specifications: Dual-stage operation; Pressure settings: -0.17" WC / -0.86" WC; Function: Air proving and safety lockout.