Hot water heater makes loud boom
We bought a used Coachmen 321TS fifth wheel, when we use the inside wall igniter button to start up gas hot water heater, it makes a loud combustion sound like boom, what can be done to fix this?
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Thanks all you wonderful people, will give it all a look, I noticed during the night that it makes the boom again as it reheats up, so don't feel safe with this at all. We are parked on a perm site we now own, so this camper is for long term. Hope we can fix it.
