Manufacturer Name: ClimateMaster Product Number: S17S0002N25U1 OEM Part Number: S17S0002N25U1 Product Description: Circuit Board Upgrade Kit Weight:2.33lbs/1056.87g The ClimateMaster S17S0002N25U1 Circuit Board Upgrade Kit is designed to enhance the performance and reliability of specific ClimateMaster HVAC systems. This upgrade kit replaces outdated or malfunctioning circuit b... https://www.partshnc.com/s17s0002n25u1-climatemaster-circuit-board-upgrade-kit