Universal Ignitor Board for LGE Spade - Fits most 12Volt DC furnaces and water heaters. Diagnostic LED. Fuse and Surge protected. Removable jumper for instant fire operation in water heaters and refrigerators. Superior Construction with plated and soldered through holes to virtually eliminate intermittent connections. 12 VDC operation. 3-Try; Tries 3 times to ignite gas, with appropriate purge cycles before going into lockout. Highly reliable microcontroller for accurate and stable operation. Diagnostic LED light helps diagnose problems! Green-You have power to the board and NC terminal. Red-You have power to the gas valve terminal. Fuse and surge protection via the replaceable 5 Amp automotive fuse protects the board from short circuits on the Valve and NC terminals. Removable jumper for instant fire operation in water heaters and refrigerators. TEI Certified. 3 Year Warranty. Dimensions: 3.43 inch x 5.10 inch. 1 per package.