Feature: 1. Applicable Model: Rv water heater cutoff kit is replacement for atwood water heater parts; replacement for Mallory 9‑72153; replacement for Mercruiser 45518A2, 45518A. 2. OE Number: The reference part numbers for reference are 91447, 93866, please confirm whether it is consistent with the OE you need. 3. Efficient Temperature Control: Built in ECO Thermostat ensures consistent water temperature, providing stable hot water for increased comfort and better user experience. 4. Avoid Scalding: Rv water heater cutoff kit can effectively adjust the RV water temperature to ensure that the water temperature does not exceed the specified temperature to avoid burns due to high water temperature. 5. Easy Installation: Equipped with a complete assembly kit, easy for users to quickly replace and install, non professionals can also easily operate, greatly saving your time. Specification: Item Type: RV Water Heater Thermal Cutoff Kit OE: 91447, 93866 Fitment: Replacement for atwood water heater parts. And models GLM 21140, Replacement for Mallory 9-72153, Replacement 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 ,G6A-2E, G6A-3E, G6A-4E, G6A-6E, G6A-7E, G6A-8E, G610-3E, G10-1E, G10-2E, G10-3E, GC6A-7E, GC6AA-7E, GC6AA-8E, GC6AA-9E, GC6AA-10E, GC10-1E, GC10-2E, GC10A-2E, GC10A-3E, GC10A-4E, GCH6-4E, GCH6-6E, GCH6-7E, GCH6A-7E, GCH6A-8E, GCH6A-9E, GCH6A-10E, GCH10A-2E, GCH10A-3E, GCH10A-4E, GH6-3E, GH6-4E, GH6-6E.... Package List: 1 x RV Water Heater Thermal Cutoff Kit (6pcs) 1 x Instruction Manual Note: 1. Please carefully check the OEM number and Fitment model before purchasing. 2. It is highly recommended to have the installation done by a professional mechanic.