Replacement Air Conditioning PC Board / Motherboard 3 - RHXYQ16PY1 PC0511-4(A)

Replacement PC/circuit board for air conditioning systems — Motherboard 3, model RHXYQ16PY1 with part number PC0511-4(A). Intended as a swap for defective control boards identified by these exact codes. Confirm your unit shows RHXYQ16PY1 or PC0511-4(A) before ordering to ensure compatibility. Suitable for professional repair or DIY replacement.