Lennox 11U64 Pressure Switch 321894-709 This original equipment manufacturer harness

This original equipment manufacturer harness features factory-terminated connectors that ensure a secure

providing technicians with clear LED fault code indications for faster troubleshooting on the job site

System Longevity: Protects internal heat exchangers and burners from debris and dirty intake air

Designed specifically for International Comfort Products systems

provided the pressure drop remains within the valve's operating range

Lennox 11U64 Pressure Switch 321894-709 This original equipment manufacturer harnessThe 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