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Technicians should inspect the existing gasket for cracks or compression sets and replace if necessary to ensure a hermetic seal
Broad Compatibility: Direct replacement for Rheem
Robertshaw
such as those found in cast iron globe or water regulation valves
Lennox 57W79 Pressure Switch Technicians should inspect the existingThe 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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