Water Heater drip sound and overheated?? - Page 4 - Escape Trailer Owners Community

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Old 09-15-2014, 04:36 PM   #31
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Originally Posted by Floating Cloud View Post
Klem, do you have it off while sleeping? The water heater only needs to be on an hour or two a day. The water gets very hot and stays that way a long time unless it is cold weather.
We always do this too. If you turn it on in the morning, it will be hot for breakfast dishes, then again just before supper to do the suppler load.

This is also why I put a switch inside the trailer to switch it on electrically, and added a light to both the electrical switch, and the gas switch to indicate that it is on. Theses lights are very obvious when going to bed, should you have forgotten.
Water Heater Indicator lights and 120V Switch.

Since I did that mod to the gas switch, I have seen it prewired by others and sold.
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Old 09-15-2014, 04:44 PM   #32
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I don't have an accumulator in my 19' and I do not experience any "drip drip drip" noises at any time, whether the hot water heater is on or off. I would not assume that adding an accumulator to your trailer will cure it of what is ailing it.
It might be worth a try. I have installed several expansion tanks in homes and it cured the problem every time. Some cities require them in their building code. Might be another option for ETI to consider. Yet, why does one have a problem and others with the same setup don't. Loren
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Old 09-15-2014, 05:22 PM   #33
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I know I can turn it off but that's just another thing to remember! With all this new fancy automatic stuff I would like to think I can let it run.

And then the switch turns down to turn on, and the 'on' light goes off so I need to be smarter then I like to be when camping : )

We live in an old house so any drip.drip.drip is a cause for alarm until the source is found!

It is a dandy trailer, my favorite of all we've had, so it will just take a period of adjustment. Having this Forum is a great resource to learn a lot in a short time.

Mel K. (Klem))
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Old 09-15-2014, 06:01 PM   #34
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Just noticed Jim's switch! Thank you, seeing a red light in a blue trailer (from the fridge) will help me see it.

So I need an accumulator on the hot water side? The heater manual said it's supposed to maintain an air pocket but can lose it.

I need to carefully reread this thread, there's some great wisdom.

mel
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Old 09-15-2014, 07:45 PM   #35
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Originally Posted by Brian B-P View Post
Yes.

Where would there be a check valve between the accumulator (which is downstream of the pump, in the common supply piping before the water heater) and the inside of the water heater? I have only seen a few RV water heaters, but those didn't have a check valve on their inlet, the city water inlet check valve wouldn't be relevant, and I can't think of any other check valve location.
.
Casita uses check valves at the water heater but after crawling under the Escape bed and looking ETI does not use them.

This is a Casita
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Old 09-15-2014, 07:46 PM   #36
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I believe an accumulator tank for trailers simply builds up pressure in the entire system, downstream from the pump, in order not to have the pump running as much. I've not seen a separate hot water accumulator tank for a system this small.
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Old 09-15-2014, 07:52 PM   #37
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And then the switch turns down to turn on, and the 'on' light goes off so I need to be smarter then I like to be when camping : )
Mel K. (Klem))
Don't you just love that! I have never figured out the logic of having the switch turn down for on and up for off but they are all that way.
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Old 09-15-2014, 07:53 PM   #38
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For what it's worth, I turn on the water heater for 15 or 20 minutes in the morning if I expect I'll need hot water. Otherwise, maybe 20 minutes prior to dinner. I set a kitchen timer.
I turn on the water pump when I expect to need water and turn it off ( if I remember ) when done.
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Old 09-15-2014, 07:58 PM   #39
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Don't you just love that! I have never figured out the logic of having the switch turn down for on and up for off but they are all that way.
When I was proof reading my post I thought "that's not right" and it is .......
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Old 09-15-2014, 08:14 PM   #40
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I can't sleep while hearing a drip.drip.drip but after reading the posts and the manual this is 'normal' unless you add the accumulator.
Maybe not. For one thing, it seems that if you relieve the excess pressure by releasing just a bit of water from a faucet once the heater is up to its set temperature there shouldn't be any more drip for the rest of the night.

Also, although I pointed out that an accumulator does the same thing as the air pocket that should be in the top of the heater, so does the air pocket. The water heater manual's explanation suggest that once you restore the air pocket (which stays there during normal use of the hot water), you shouldn't have the dripping due to high pressure.
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