Wide Compatibility] 93866 Thermal Cutoff & 91447 ECO Thermostat Assembly Kit compatible with Atwood Gas/Electric EXT Water Heater: G6A-3E/4E/6E/7E/8E, GH6-3E/4E/6E/7E/8E, GCH6-4E/6E/7E, GCH6A-7E/8E/9E/10E, GC6AA-7E/8E/9E/10E, G10-1E/2E/3E, GC10-1E/2E, GC10A-2E/3E/4E, GH10-1E/2E/3E, GCH10A-2E/3E/4E, G610-3E, GC6A-7E, GH610-3E, WH-9EXT, G9-EXT, GE9-EXT, GEH9-EXT, G16-EXT, GE16-EXT, GEH16-EXT Replacement Thermal Switches 91447 93866 Thermal Cutoff Thermostat Replacement Atwood 93866 RV Water Heater Thermal Cutoff Kit - Replacement For Atwood 93866 & 91447 With ECO Thermostat RV Thermostat Replacement Overheat Protection Device 9pcs RV Water Heater Parts UKLL-RV Water Heater Thermal Cutoff Kit With Eco Thermostat Feature: The RV water heater thermal cutoff kit works well to regulate the water temperature in your RV, keeping the temperature stable and avoiding scalding due to high water temperatures