773-116

Ensure your heating system operates safely and efficiently with this high-performance air pressure switch, specifically engineered for use in compatible Trane and American Standard HVAC units. As a critical air proving component, this switch monitors the pressure generated by the draft inducer motor to verify that the furnace is venting properly before allowing ignition. If your furnace fails to start or shuts down unexpectedly, a faulty pressure switch is often the culprit. This durable replacement part is designed to maintain precise system safety by opening and closing at specific vacuum thresholds, ensuring optimal airflow and preventing hazardous operation. It is an essential component for residential and commercial gas furnaces requiring reliable airflow detection.
Type: Air Pressure Switch
Size: Small
Application: Used in forced-air gas furnaces and HVAC systems to monitor draft inducer pressure and ensure safe venting during the heating cycle.
Specifications: Open Rating: -1.44" WC; Close Rating: -1.66" WC; Application: Air Proving/Safety Interlock