773-109

Ensure your heating system operates safely and efficiently with this premium air pressure switch designed for Trane and American Standard furnaces. As a critical air proving component, this switch monitors the pressure generated by the inducer motor to verify proper venting before allowing the furnace to ignite. This safety mechanism is essential for preventing the accumulation of combustion gases, making it a vital replacement part for malfunctioning or failing HVAC units. Designed to meet precise factory specifications, this 2.25" WC pressure switch helps resolve common furnace startup issues and ignition failures, restoring reliable heat to your home or commercial space.
Type: Air Pressure Switch
Size: Compact
Application: Used in residential and commercial gas-fired furnaces and HVAC heating systems to monitor inducer fan draft and ensure proper venting safety.
Specifications: 2.25" WC (Water Column) pressure set point, air proving functionality, diaphragm-actuated safety switch.