Brand guide
All Atwood / Dometic water heater guides
Choose the symptom or code that matches your unit. Confirm the exact model and control generation against the rating plate before following model-specific instructions.
Atwood Clicking But Not Lighting
Atwood/Dometic click with no flame is spark without LP, a dead ECO, or a failed solenoid. Test spark with gas off.
RV water heater troubleshootingAtwood Electric Water Heater Not Working
Atwood/Dometic electric heat dies from a tripped ECO, bypass valve, dead element, or no 120V. Reset safely.
RV water heater troubleshootingAtwood RV Water Heater Troubleshooting
Atwood/Dometic RV water heater not working? Split the problem into gas, electric, ECO, or bypass, then follow the matching checks.
RV water heater troubleshootingAtwood Water Heater Reset Button Location
The Atwood/Dometic reset is the ECO behind the exterior door. Where to find it, how to press it safely, and why a thermal fuse isn't a reset.
Pilot and ignition problemsAtwood Water Heater Will Not Stay Lit
An Atwood/Dometic that lights and then dies is losing flame: low LP, a dirty sense electrode, an ECO trip, or an open thermal fuse.
Pilot and ignition problemsDometic Water Heater Thermal Fuse Blown
An Atwood/Dometic thermal fuse opens from flame rollout, a blocked flue, or overheating. Find the cause before replacing it; never jumper it.
RV water heater troubleshootingReplacing an Atwood Water Heater Element
Atwood/Dometic RV elements are 120 V, around 1400 W. How to test one with power off, what else stops electric heat, and when to stop.