773-049

Ensure the safe and efficient operation of your heating system with this premium 1.00" WC air pressure switch. Designed specifically for high-efficiency gas furnaces, this air proving switch serves as a critical safety component that monitors the draft created by the inducer motor. It confirms that combustion gases are being properly exhausted through the vent pipe before allowing the ignition process to begin. If your furnace is failing to ignite or shutting down prematurely, a faulty pressure switch is often the culprit. This durable replacement part is engineered for precision and reliability, helping to prevent dangerous gas buildup and ensuring your HVAC system meets modern safety standards. Ideal for residential heating repairs and professional maintenance, this component provides the exact 1.00-inch water column sensitivity required for optimal furnace performance and safety interlock functionality.
Type: Air Pressure Switch
Size: Standard
Application: Commonly used in residential gas furnaces and HVAC units to sense pressure changes and prove airflow within the inducer blower housing.
Specifications: Pressure Rating: 1.00" WC (Water Column); Function: Air Proving and Safety Cut-off