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This OEM Lennox furnace part features a precise -
and commercial ventilation systems
safeguarding your equipment against short-cycling and protecting the compressor from extreme thermal conditions
These units are factory-calibrated
offering seamless integration into existing 22-120 TAC Pneumodular manifolds
Carrier HK42FZ036 Control Board R-22 This OEM Lennox furnace partThe Carrier HK42FZ036 Control Board is a critical OEM integrated furnace control designed for high performance management of residential and commercial heating cycles. As the central logic hub, this direct replacement circuit board coordinates the sequence of operation for the inducer motor, hot surface igniter, and blower fan while monitoring essential safety strings. Engineered for compatibility with select Carrier, Bryant, and Payne furnaces,
