Universal Compatibility: Designed to fit a wide range of electric , this kit is compatible with models including 21140, 9-72153, 45518A2, and various Atwood models such as GCH6-, GH6-8E, G6A-6E, enhancing its versatility for RV owners. Complete Installation Kit: Equipped with all necessary components, this thermal cutoff kit includes a T'STAT assembly, ECO assembly, black foam cover, copper connecting wire, and two fuses, ensuring a comprehensive solution for regulating your RV's water heater temperature safely. High-Quality Safety Fuse: Crafted from premium tinned copper wire, the thermal cutoff operates at 98°C (208°F), safeguarding your electronic-ignition water heater against damage due to excessive heat, thus enhancing the and safety of your appliance. User-Friendly Installation: This kit comes with detailed instructions for a hassle-free setup. Install the thermostat at the designated right cutout and the ECO at the left, replace the spring and washer, cover with the provided foam, and reconnect the wires for a complete setup. packed to provide everything needed for a successful installation and maintenance of your RV water heater. Material: Steel wire+foam Color: as shown Package Contents: 1*T'STAT assembly 1*ECO assembly 1*black foam cover 1*copper connecting wire 2*fuse Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.