Use in Dometic® and Norcold® refrigerators. Use in Coleman®, Duo-Therm®, Hydro-Flame® and Suburban® furnaces. Use in Atwood®, Mor-Flo® or Suburban® water heaters. Works in any furnace, refrigerator or water heater that uses a standard ignitor board. Includes spade connectors for the spark lead. A fuse on the board protects the board against short circuit damage. A handy diagnostic light on the board is green to show power to the board and red to indicate power to the gas valve. For 12 VDC applications only. Use a see-thru plastic cover when installing these boards in a water heater or refrigerator.