Lennox 68M64 Control Board Refrigerant Installation Flexibility: The 650 PSI

Installation Flexibility: The 650 PSI rating and thermal-resistant internals allow for installation in any orientation throughout the liquid line

This steam trap repair kit allows for rapid in-line maintenance

It supports remote flame sensing and includes dedicated flame current test pins

utilize its Occupant Override and Holiday Programming to maintain strict control over energy overhead

Lennox 68M64 Control Board Refrigerant Installation Flexibility: The 650 PSIThe Lennox 68M64 Control Board is a specialized integrated furnace control designed for precise regulation of residential and commercial HVAC systems. This OEM replacement part is technically identical to the Lennox 68M6401, providing a direct drop in solution for contractors servicing Lennox furnaces and heat pump systems. Engineered to handle 24V AC input, this printed circuit board (PCB) manages critical blower motor timing, defrost cycles, and