Description
Dometic Water Heater Front Mount ECO/Thermostat Kit (DSI) 91447
The Dometic 91447 Front Mount ECO/Thermostat Kit (DSI) is a thermostat or temperature-limit (safety) switch. It is a genuine OEM replacement part.
Part Number: 91447
Fits
Front-mount thermostat and high-limit (ECO) kit for the gas side of Atwood/Dometic direct spark ignition water heaters. Thermostat set about 140°F; ECO opens above about 180°F. XT models use 91547.
- WH-6GA
- WH-6GEA
- WH-10GEA
- GC6AA-10E
- GCH6A-10E
- GC10A-4E
Specifications
- Front mount
- Thermostat pre-set about 140F
- ECO opens above about 180F
- Part of the 12 VDC DSI gas control circuit
Why Replace It
A failed thermostat or limit switch can leave you with no hot water, water that is too hot, or a heater that shuts down repeatedly.
Installation
Turn off all power and gas. Remove the cover, note the wire positions, replace the part flat against its mounting surface and reconnect the wires.
Estimated Installation Time
15 to 30 minutes
Tools Required
Screwdriver, multimeter
FAQ
Will this fit my water heater?
Check the model and serial number on your water heater's rating plate against the fit list above. If you're not sure, send us your model and serial number and we'll confirm the fit before you order.
Do I need a technician?
No. Most owners can replace this part themselves by following the steps above. If you're not comfortable working on the water heater's electrical components, you can always hire an RV technician to come out. If you need assistance with the install, we're here for you.
