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Usemorenukes's avatar
Usemorenukes
Explorer
Jan 22, 2022

2000 Fleetwood Mallard 29s water heater question

Hey everyone , I’ve got a 00 Mallard 29s with the factory dometic gas / electric water heater . Since we purchased it we’ve only been able to get the electric element to heat , no the gas portion ...
enblethen's avatar
enblethen
Nomad
Jan 23, 2022
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That is a DSI water heater
You need to follow the 12 volts from switch to circuit board.
Start by checking ECO and thermostat for continuity. Use ohm meter between the two red wires and then the two brown wires.
Behind the shrink tubing on the brown wires is a thermal fuse. check it for continuity and loose connections.
It sure could use a good cleaning!

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