040-180

This high-quality Air Pressure Switch is a critical safety component designed for HVAC systems and gas furnaces. Functioning as an air proving sensor, it monitors the pressure differential within the venting system to ensure the inducer motor is operating at peak efficiency. If the switch detects a blockage or a failure in airflow, it prevents the burner from igniting, protecting your appliance from potential damage and ensuring safe operation. This replacement part is essential for fixing common heating issues where the system fails to start or shuts down prematurely due to airflow detection errors. Built for durability and precise responsiveness, it helps restore the reliable performance of your heating and air handling equipment.
Type: Air Pressure Switch / Air Proving Switch
Size: Standard
Application: Commonly used in gas furnaces, HVAC units, exhaust systems, and industrial air handling equipment to verify proper venting and airflow before ignition.
Specifications: Monitors air pressure differentials; features a safety shut-off mechanism; designed for airflow verification and system protection.