020-072

This high-quality air pressure switch is a critical safety component designed for high-efficiency gas furnaces and HVAC systems. Functioning as an air proving switch, it ensures that the draft inducer motor is moving sufficient air through the heat exchanger and venting system before the ignition process begins. This SPST (Single Pole Single Throw) switch is rated for 28VA pilot duty, providing reliable performance and protecting your heating system from operating under unsafe venting conditions. It is a vital replacement part for restoring the functionality of residential heating units experiencing pressure-related faults, startup failures, or airflow obstructions.
Type: Air Pressure Switch
Size: Standard HVAC component size
Application: Residential gas furnaces, air handlers, and HVAC heating systems.
Specifications: SPST (Single Pole Single Throw), 28VA Pilot Duty, Air Proving functionality