The Trane MOD03196 Dual Circuit Refrigeration Control Board is an electronic component designed to manage refrigeration functions in compatible Trane HVAC equipment. It coordinates control signals for two refrigeration circuits, helping regulate component operation and maintain proper cooling performance. This control board is commonly used in commercial air conditioning systems and c... https://www.partshnc.com/trane-mod03196-dual-circuit-refrigeration-control-board