773-415

This high-quality HVAC Air Pressure Switch is a vital safety component designed for furnace and air handling systems. Functioning as an air proving switch, it ensures that your heating unit is operating safely by monitoring the airflow produced by the draft inducer motor. If the switch detects an obstruction or a failure in the venting process, it interrupts the ignition sequence to prevent hazardous conditions. Precisely calibrated to a 0.20" WC (Water Column) set point, this replacement part is essential for troubleshooting furnace startup issues, airflow errors, or pressure switch lockout codes. Durable and reliable, it helps restore peak performance and safety to your residential or light commercial heating equipment.
Type: Air Pressure Switch
Size: Standard HVAC Component
Application: Commonly used in forced-air furnaces, air handlers, and heating systems to verify proper venting and inducer motor operation.
Specifications: Pressure Setting: 0.20" WC (Water Column); Function: Air Proving/Safety Interlock