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extending the lifespan of the fan motor
provided the pressure drop remains within the valve's operating range
providing technicians with clear LED fault code indications for faster troubleshooting on the job site
as the factory-molded straight boots provide the necessary seal against moisture and debris
Lennox 11U64 Pressure Switch 321894-709 extending the lifespan of theThe Lennox 11U64 Pressure Switch (Cat # 11U64, Part # 104371 01) is a precision calibrated OEM furnace replacement part engineered for high performance draft verification. This 0. 65" WC SPST pressure switch is the direct substitute for the legacy 93W86 model, designed to monitor inducer motor performance and confirm proper airflow before the ignition sequence initiates. Built with brass terminals, fine silver contacts, and a stainless steel
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