773-417

This premium Air Pressure Switch with Bracket is a vital safety component for HVAC systems and gas furnaces. Functioning as an air proving switch, it is precision-calibrated to 0.90" WC (Water Column) to monitor the pressure differential created by the draft inducer motor. Its primary role is to ensure that the exhaust blower is operating correctly and that the venting system is clear before allowing the furnace ignition sequence to begin. By preventing the burner from firing under unsafe conditions, this switch protects your heating equipment from malfunctions and hazardous exhaust buildup. Featuring a pre-installed mounting bracket for straightforward installation, this high-performance sensor is the ideal replacement part to restore the reliability and safety of your residential or commercial heating unit.
Type: Air Pressure Switch / Air Proving Switch
Size: Standard HVAC component
Application: Used in forced-air furnaces and heating systems to verify proper airflow and venting before ignition.
Specifications: Pressure Setting: 0.90" WC; Includes integrated mounting bracket; Monitors draft inducer motor performance.