Lennox 88M98 Pressure Switch 340155-7024 This low air pressure switch

This low air pressure switch is typically utilized to sense negative pressure (vacuum) generated by the draft inducer

The bypass feature effectively manages thermal expansion pressure

debris in the blower wheel

This single pole HVAC contactor features a 25 Amp inductive rating and a 240V coil

Direct OEM Integration: The Nordyne furnace blower motor features a specific 16-pin connector for seamless communication with the system control board

Lennox 88M98 Pressure Switch 340155-7024 This low air pressure switchAs a seasoned technician, you know that a failing low pressure switch can lead to catastrophic compressor burnout or system freezing. The Lennox 88M98 Pressure Switch (also identified by factory part 100087 03) is a critical safety control designed for precise refrigerant pressure monitoring in residential and commercial units. This OEM Lennox replacement part features a factory calibrated set point that actuates at 90 PSI and provides an auto reset