Furnace Control Board, Replacement Type OEM, Board Type Integrated, Compatible with Brand Trane, Compatible with Series CNT02219, CNT03458, CNT04912, CNT05135, D674713P01, OEM Replacement Part Number 50N02B-820, Control Voltage 24V AC, Input Voltage 18 to 30V AC, Items Controlled Blowers, Gas Valves, Ignitors, Inducers, Limit Switches, PSC Blowers, Spark Ignitors, Product Type Ignition Control Board, Overall Height 5 3/4 in, Overall Width 7 7/8 in, Overall Depth 1 3/4 in