The Trane MOD03196 Reliatel Refrigeration Module RTRM Dual Circuit Control Board is a new unit designed for Trane brand refrigeration systems. It is a control circuit board that operates on a corded electric power source with a voltage of 24V. Made of plastic, this module is compatible with the Trane MOD02919 model and is essential for the proper functioning of HVAC and refrigeration systems in commercial and industrial settings. With its dual circuit control capabilities, this board provides reliable and efficient control for Trane refrigeration systems.