773-228

The Rheem 0.65" WC Air Pressure Switch is a critical safety and performance component designed for modern gas furnaces and HVAC systems. Functioning as an air proving switch, this part monitors the static pressure generated by the inducer motor to ensure the venting system is clear and functioning correctly before allowing the ignition process to begin. If the system detects inadequate airflow or a blockage in the exhaust flue, this switch prevents the furnace from operating, protecting the unit from potential damage and ensuring home safety. This high-quality replacement switch is factory-calibrated to a 0.65" Water Column (WC) set point, making it an essential part for troubleshooting furnace startup issues or 'no heat' conditions where the draft inducer is running but the burners fail to light.
Type: Air Pressure Switch
Size: Standard HVAC Component
Application: Used in residential gas furnaces and HVAC heating systems to monitor inducer motor airflow and exhaust venting safety.
Specifications: Pressure Rating: 0.65" WC (Water Column); Function: Air Proving/Safety Cut-off; Compatibility: High-efficiency gas heating units.