773-114

Enhance the safety and reliability of your heating system with this professional-grade dual port pressure switch, compatible with Trane and American Standard HVAC units. As a critical air proving component, this switch monitors the negative pressure generated by the draft inducer motor to ensure proper venting before allowing the ignition process to begin. Calibrated to specific vacuum set points of -2.09" WC and -2.36" WC, it serves as a vital safeguard against venting failures and blower malfunctions. This high-precision part is the ideal solution for repairing furnaces that are failing to fire due to pressure-related safety lockouts.
Type: Air Pressure Switch
Size: Compact
Application: High-efficiency residential gas furnaces and forced-air HVAC systems requiring combustion air proving safety controls.
Specifications: Dual port configuration; Set points: -2.09" WC / -2.36" WC; Designed for draft inducer airflow monitoring.