Photo 1 of 520814 Module Board Ignition Control Board Replacement for Suburban RV Water Heater Furnace SW Series SW4D SW6D SW10D SW12D SW16D Water Heaters, 12 Volt DC, Come with Lid, Also Replace 520871 520820

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Photo 1 of 520814 Module Board Ignition Control Board Replacement for Suburban RV Water Heater Furnace SW Series SW4D SW6D SW10D SW12D SW16D Water Heaters, 12 Volt DC, Come with Lid, Also Replace 520871 520820Photo 2 of 520814 Module Board Ignition Control Board Replacement for Suburban RV Water Heater Furnace SW Series SW4D SW6D SW10D SW12D SW16D Water Heaters, 12 Volt DC, Come with Lid, Also Replace 520871 520820