Carrier CT28MM278 Coupling 318973-401 this CheckMaster magnetic check valve

this CheckMaster magnetic check valve utilizes a magnetically operated poppet that eliminates the mechanical fatigue often associated with traditional springs

Enhanced Flame Stability: Engineered to provide a consistent pilot flame

always verify the mating surfaces are clean and free of old debris

High Power Capacity: The 50VA rating provides ample overhead for powering multiple peripherals

this unit is the functional and dimensional equivalent of the M573-3108

Carrier CT28MM278 Coupling 318973-401 this CheckMaster magnetic check valveThe Carrier CT28MM278 Coupling is a critical direct replacement component engineered for mid to high capacity HVAC blower motor assemblies and furnace draft inducer shafts. Built to meet exact OEM tolerances, this mechanical shaft coupling ensures vibration free torque transmission between the drive motor and the squirrel cage or fan wheel. As a veteran tech knows, shaft alignment is paramount to preventing premature bearing failure; the CT28MM278 is