Replacement Air Conditioning Circuit Board FOR KFR-45JNV — K301.1.9.2 / 45RNE31G PCB (Hot & Cold)

Electronic control/computer board compatible with KFR-45JNV air conditioners. Marked with part numbers K301.1.9.2 and 45RNE31G, this circuit board supports both hot and cold operation. Use when replacing the original PCB in a KFR-45JNV unit to restore heating and cooling control (confirm matching part numbers before installation).