Atwood water heater humming noise
I have a 2004 Holiday Rambler Presidential 5 th wheel rv. It has a six gallon propane/electric water heater. We just opened camp for the season and we noticed a humming sound (like a small motor runni...
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Mine makes a humming sound when on electric function until temp is reached and element goes into rest mode. Always has and my previous trailer too. Never a problem with either.
