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Ships within 48 hours · Estimated delivery Oct 22 - Oct 27
Broad Compatibility: Direct replacement for Rheem
ensuring exact fitment and simplified field installation
ensuring precise proportional control and reliable fail-safe operation in critical HVAC zones
reducing the need for universal truck stock
the switch is likely defective and requires replacement
Lennox 57W79 Pressure Switch Broad Compatibility: Direct replacement forThe Lennox 57W79 Pressure Switch is a critical OEM safety component engineered for precise inducer draft monitoring in Lennox gas furnaces. Calibrated to a 0. 70" WC activation setpoint, this green pressure switch ensures the combustion blower is establishing sufficient static pressure before allowing the ignition sequence to proceed. As a direct furnace pressure switch replacement, it resolves common fault codes related to airflow verification and
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