773-152

Ensure your heating system operates safely and efficiently with this high-quality York Air Pressure Switch. As a critical safety component in modern HVAC systems, this air-proving switch monitors the vacuum pressure created by the inducer motor to verify that combustion gases are being properly exhausted. With a precise -0.75" WC set point, it prevents the furnace from igniting if proper airflow is not detected, protecting your home from potential venting issues. This replacement part is ideal for homeowners and technicians troubleshooting furnaces that fail to ignite or show pressure switch fault codes. Designed for durability and reliable switching, it ensures your residential heating equipment maintains optimal performance throughout the winter season.
Type: Air Pressure Switch
Size: Standard HVAC Component
Application: Used in gas-fired furnaces and packaged heating units to monitor inducer motor performance and flue venting safety.
Specifications: Pressure Rating: -0.75" WC (Water Column); Function: Air Proving/Safety Interlock; Compatible with York and generic HVAC systems requiring a negative pressure set point.