Broad Compatibility: Direct replacement for all L71XX series controllers

68" outside diameter and a 1 5/8" fixed bore

By managing critical power distribution to the compressor and blower motor

It is physically and electronically compatible with the B1HA and B1KA v5 chassis

Friedrich Air Conditioning 67201878 PCB Assembly 321894-706 Broad Compatibility: Direct replacement forThe Friedrich 67201878 PCB Assembly is a critical OEM replacement control board engineered for precision climate management in Friedrich air conditioning units. As the central controller PCB assy, this board facilitates seamless 12V DC communication between the thermostat, fan motor, and compressor, ensuring synchronized system response to load demands. Manufactured with Flame Retardant 4 (FR4) material, the 67201878 offers superior thermal stability