Trane CNT4333 Control Board R-410A Constructed with 43 offset blades

Constructed with 43 offset blades

meaning it does not require a separate bushing but must match the shaft diameter exactly

which is critical when switching high-current inductive loads

a different swivel or crank arm assembly may be required to maintain mechanical advantage

Trane CNT4333 Control Board R-410A Constructed with 43 offset bladesThe Trane CNT4333 is a specialized dual compressor defrost control board engineered for high capacity heat pump systems that demand precision management of two independent refrigeration circuits. As a direct OEM replacement part, this module ensures that outdoor coils remain clear of ice accumulation by monitoring ambient temperature and coil conditions to initiate timed defrost cycles. By synchronizing dual compressor defrost logic, the CNT4333