Fitment: for most electric water heaters （for Atwood）such as GLM 21140, for Mallory 9-72153, for Mercruiser 45518A2, 45518A3 , 45518A1,GCH6-4E, GH6-8E, G6A-6E, G6A-7E, G6A-8E, GCH6A-7E, GC6AA-7E, GC6AA-8E,GCH10A-2E,GCH10A-3E, G10-1E and more Replace Part Numbers: RV Water Heater Control Circuit Board Replace 91365/91226/91365MC/93305/93851 | RV Water Heater Thermal Cut-Off Kit Replace 91447/93866 | 93868 water heater igniter electrode with spark probe Effortless Replacement: Rv water heater kit which can help you repair issues such as ignition failure, water temperature imbalance, and fuse blowouts caused by component damage. It can also be kept as a spare kit for unexpected needs. Package Content: RV Water Heater Replacement Kits Includes 1x RV Water Heate Circuit Board | 1x Connecting Plate with 2x Screw | 1 x ECO Thermostat | 1 x T'STAT Thermostat | 1 x black foam cover | 1 x copper connecting wire | 2 x fuses | 1x Water Heater Electrode | 1x Instructions | keeps the water temperature stable and prevents scalding due to high water temperatures