DOMETIC 91447 KIT, SVC DSI TSTAT&ECO NON XT
 
The 91447 Atwood RV Water Heater E.C.O. High Temperature Cut-Off is the OEM replacement for compatible Dometic and Atwood water heaters. The E.C.O Thermostat is a closed switch that sends voltage to the solenoid valve. The switch opens if the water temperature exceeds 180°F, protecting the water heater from damage.