The Avantco BC106259 Controller Mainboard is an OEM-style replacement designed specifically for the GD4C-15-HC refrigerated display case series. This main control board manages temperature regulation, compressor operation, defrost cycles, lighting signals, and overall system performance. It is the ideal solution for restoring full functionality to units experiencing electronic failure, erratic operation, or non-responsive controls. Key Features OEM-compatible controller mainboard for GD4C-15-HC units Ensures stable temperature control and system performance Manages compressor, defrost, and lighting functions Reliable commercial-grade circuitry for long-term operation Easy direct-fit installation with factory-matched connectors Specifications Part Number: BC106259 Component Type: Controller Mainboard / Control Board Application: GD4C-15-HC refrigerated display cases Function: Regulates temperature, defrost, compressor cycles, and system logic Compatible Models Avantco Refrigeration GD4C-15-HC Black Avantco Refrigeration GD4C-15-HC Copper Avantco Refrigeration GD4C-15-HC White Why Choose This Item Choose this controller mainboard to restore reliable performance to your GD4C-15-HC merchandiser. With OEM-grade electronics, precise temperature control, and durable construction, it?s the best replacement to ensure your display case operates smoothly, efficiently, and consistently.