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Class 20 Trip Curve: Provides a 20-second trip time at 600% of the FLA
outlet pressure range for high-demand equipment
The unit features a selectable jumper or switch configuration on the circuit board (typically labeled W904) to toggle between temperature scales during the initial setup
fitting both Resideo/Honeywell and several Aprilaire whole-house bypass models
Lennox 33M56 Wire Harness 324846-701 Class 20 Trip Curve: ProvidesThe Lennox 33M56 Wire Harness (OEM Part # 20438201) is a critical 33 inch HVAC electrical connector designed for precise signal and power distribution within residential heating units. Engineered to meet exacting factory specifications, this genuine Lennox harness serves as the primary link between the integrated furnace control board and peripheral components such as pressure switches, ignition modules, and blower motors. Utilizing high grade, heat
