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fitting both Resideo/Honeywell and several Aprilaire whole-house bypass models
and multi-stage heating or cooling systems
reducing it to safe levels (often under 1V)
outlet pressure range for high-demand equipment
Lennox 33M56 Wire Harness 324846-701 fitting both Resideo/Honeywell and severalThe 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
