The Trane CNT07029 Control Board Assembly EEV is an electronic control component designed to manage the operation of the electronic expansion valve (EEV) in compatible Trane HVAC equipment. It processes system inputs and regulates valve operation to help control refrigerant flow, supporting efficient heat transfer and stable temperature regulation. Used in compatible Trane heating and... https://www.partshnc.com/trane-cnt07029-control-board-assembly-eev