Replacement Cassette Air Conditioner PCB / Motherboard — Z71351H · 30227028 · GRZ71-A4

Replacement PC board (motherboard) for cassette-style air conditioners. Compatible part identifiers: Z71351H, 30227028, and GRZ71-A4. Intended as a direct replacement for the main control board in units using these exact part numbers. Verify that Z71351H / 30227028 / GRZ71-A4 match your existing board before purchase.