FOR Air Conditioning Computer / Circuit Board 30034208 — 4G53C GRJ4G-A1

Replacement air conditioning computer (circuit) board, part number 30034208, compatible with model identifiers 4G53C and GRJ4G-A1. This unit serves as the electronic control board for HVAC systems that use the 30034208 controller. Before ordering, confirm your existing board shows 30034208 or one of the model codes 4G53C / GRJ4G-A1 to ensure correct fit. Contact the seller with any compatibility questions prior to purchase.