Junterone 520871 520814 RV Water Heater & Furnace Ignition Control Circuit Module Board for SW4D, SW10D, SW16D 520820 33550L

[Perfect Design] Used in 12 Volt DC furnaces and refrigerators. An electronic panel that produces high voltage spark ignition source. Produces current to open gas valve coils. Recognizes flame sense current. Three trials for ignition. For All Furnace And Water Heater Circuit Boards Including 520871 520814 520820. [Ignition Board Upgrade] If you're suffering from water heater running issues due to control board, such as Ignition of the gas flame was spotty, water heater has not fire, water heater shut off in seconds, maybe it's time to upgrade your control board. 520814 Water Heater Module Board replacement restores your equipment back to . [Compatible Model] 520814 Ignition Control Circuit Module Board Replacement is compatible with the following model: SW4D / SW6D / SW6DE / SW6DEL / SW6DEM / SW6DM; SW10D / SW10DE / SW10DEL / SW10DEM / SW10DM; SW12D / SW12DE / SW12DEL / SW12DEM; W16D / SW16DE / SW16DEL / SW16DEM. This Water Heater Board fits the SW series above serial number 953900766. Replaces Part Number: 520871, 520814, 520820 [Safe & Sable Work] Constructed of premium-grade material and robust construction. Excellent moisture resistance for stable performance and reliable durability. Work well with the wiring as with the updated wiring.