Coast Resorts Open Roads Forum: Tech Issues: Water heater noise


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wtmtnhiker

New Hampshire

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Joined: 10/30/2009

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Posted: 06/01/11 04:15am

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Hi all,
I have a 2011 Carriage 5ver with a 10 gal suburban gas/elec water heater. Starting last night we heard what we thought was water running but it was the water heater making noise. It was on electric at the time and when I shut the switch of the noise stopped. I turned it off for the night but this morning when I turned it on again the noise came back almost immediately. I thought last night that perhaps the water was getting too hot and starting to boil but the noise came back too fast this morning for that to be the case. We have been fulltiming in since Feb and have never heard this noise before. The pressure regulator valve did not go off and is not leaking. Any thoughts are appreciated.

garym114

Bluff Dale, Texas

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Joined: 07/24/2006

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Posted: 06/01/11 07:04am

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Probably due to scale buildup around the heating element. This can happen when you are connected to a source of hard water, relatively quick buildup, or normal water with a long term buildup.
You could try flushing the water heater. Bypass the water heater, turn it off and let it cool, remove the drain plug. After it has finished draining put water to it and let it flush out the drain.
Bet you get some white scale out of the drain. I do this every year when I winterize.

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