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Designed for professional HVACR control applications
Exceeding the PMO can prevent the float from opening the valve against internal pressure
Direct OEM Replacement: Eliminates the need for shaft cutting or lead splicing
Ensure the common and selected speed wires are connected to the appropriate terminals on the heater’s control board to maintain correct HVAC blower motor performance
Carrier 330649-701 Wiring Harness 321042-401 Designed for professional HVACR controlThe Carrier 330649 701 Wiring Harness is a critical OEM replacement part designed to maintain the electrical integrity of your furnace or air handler. Engineered by Carrier to meet exact factory specifications, this HVAC wiring harness ensures seamless communication between the control board and vital system components. As a Factory Authorized Part, it features precision molded connectors and high grade insulation to resist heat and vibration, common