040-323

This high-performance pressure transducer serves as a critical air-proving switch for modern HVAC systems, furnaces, and boilers. Designed to monitor the air pressure generated by the draft inducer motor, this sensor ensures that your heating appliance is venting exhaust gases safely before allowing the ignition cycle to begin. If your furnace is failing to start or shuts down unexpectedly, a faulty air pressure switch is often the cause. This replacement part provides precise pressure detection and reliable performance, restoring the safety and efficiency of your heating system. It is engineered to withstand the demanding conditions of residential and commercial HVAC environments, making it a dependable choice for maintaining proper airflow and system sequence.
Type: Air Pressure Switch
Size: Compact
Application: Commonly used in gas furnaces, high-efficiency boilers, and water heaters to verify inducer fan operation and venting safety.
Specifications: Air-proving safety switch, differential pressure sensing capability, integrated electrical terminals for standard wiring connections.