773-122

Ensure your heating system operates safely and efficiently with this high-quality York Dual Port Air Pressure Switch. This 0.60" WC air proving switch is a vital safety component designed for modern HVAC systems and gas furnaces. It functions as a precision pressure-sensing device that monitors the draft inducer motor's performance, confirming that proper airflow and venting are established before the ignition sequence begins. If the switch detects a blockage or insufficient pressure, it prevents the furnace from firing, protecting your equipment and home from hazardous conditions. This durable, reliable replacement part is essential for resolving common heating issues such as ignition failure, short cycling, or pressure-related error codes in forced-air systems.
Type: Air Pressure Switch
Size: Standard HVAC Component
Application: Used in residential gas furnaces and HVAC heating systems to monitor venting pressure and ensure safe combustion cycles.
Specifications: Pressure Rating: 0.60" WC (Water Column); Configuration: Dual Port; Function: Air Proving/Safety Interlock.