773-193

This professional-grade Adjustable Pressure Switch Kit is a critical safety component designed for HVAC systems, furnaces, and commercial appliances requiring precise air pressure monitoring. Often referred to as an air proving switch, this device ensures that your equipment is operating with the correct airflow and venting before allowing the ignition cycle to proceed. By accurately detecting changes in static pressure, it protects your system from hazardous conditions caused by blocked flues, failing inducer motors, or restricted ventilation. The switch features an adjustable range from 0.25" WC to 1.00" WC, offering the versatility needed to calibrate the system to exact manufacturer specifications. Whether you are performing a repair or routine maintenance, this air pressure sensor kit provides reliable performance to maintain the efficiency and safety of your heating and ventilation equipment.
Type: Air Pressure Switch / Air Proving Switch
Application: Commonly used in residential and commercial furnaces, boilers, water heaters, and HVAC draft inducer assemblies to verify proper venting and airflow.
Specifications: Adjustable set point range from 0.25" WC (Water Column) to 1.00" WC; includes mounting hardware and connectors for a complete installation.