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

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Old 09-13-2014, 12:59 AM   #1
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Water Heater drip sound and overheated??

Any ideas??

Late last night I heard a dripping sound and followed it to the water heater. It's a SW6D and on it's second week of use.

It sounded like a thermal ping or a drip and I turned it off. I ran the faucet and the water seemed real hot and maybe I saw a little steam ... It was a chilly night.

This morning I had a small puddle under the trailer. I saw some black flakes on the bottom of the water heater tray that look and feel like burnt paint or coating of some sort.

I turned it back on and aFter a couple hours the pressure release started dripping. I wiggled the stem and it dropped a fraction. I have the heater turned off now.

There has been a strong wind blowing at that side of the trailer and I wonder if that could fool the temp sensor into thinking the water is cooler then it is?

Everything else is working great and we are enjoying our new trailer!!

Thanks, Mel
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Old 09-13-2014, 06:47 AM   #2
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I may be wrong, but I doubt a strong wind would "fool" the water heater into thinking that the water is cooler than it is. My immediate suspicion is that if it is adjustable (some are not), it is set too high, and if it's not adjustable, the thermostat is faulty and needs to be replaced.
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Old 09-13-2014, 08:15 AM   #3
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I would try this: Airxcel | Suburban Manufacturing Service (select Why does water drip ...)

If that doesn't cure it, I would take it in for warranty service. And I would suspect the thermostat.
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Old 09-13-2014, 08:24 AM   #4
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Sometimes the pressure relief valve will leak, stand back and release it (watch out for hot water) and then shut the valve off, and then it should reseat itself, repeat if necessary until the drip stops, it should go away, this happens particularly in new units.
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Old 09-13-2014, 10:16 AM   #5
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DANGER
Do not open the pressure relief valve when the water is hot. Burns are not fun to recover from. Considering the age of the trailer, you should take it to a warranty center for diagnosis and or repair. Or call ETI for advice.
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Old 09-13-2014, 01:11 PM   #6
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The manual for the water heater in our 5.0 contains an instruction for a curing dripping pressure relief valve. This is a common issue. I don't have the manual here but essentially the procedure is to release a small amount of water from the tank so that there is a small air pocket at the top of the tank. This is done with the tank heater off and sufficiently cooled. Open the relief valve briefly and let a small amount of water drain out. Without the air pocket the hydraulic pressure is to great for the valve. Having said all this, if the temperature is too high then the pressure in the tank woulds also be too high. In this case the pressure relief valve is doing its job. As mentioned be careful with hot water.

This condition is described on page 17 of this manual i found on line.
http://bryantrv.com/docs2/docs/subsw.pdf
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Old 09-13-2014, 06:35 PM   #7
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Quote:
Originally Posted by Klem View Post
Any ideas??

Late last night I heard a dripping sound and followed it to the water heater. It's a SW6D and on it's second week of use.

It sounded like a thermal ping or a drip and I turned it off. I ran the faucet and the water seemed real hot and maybe I saw a little steam ... It was a chilly night.

This morning I had a small puddle under the trailer. I saw some black flakes on the bottom of the water heater tray that look and feel like burnt paint or coating of some sort.

I turned it back on and aFter a couple hours the pressure release started dripping. I wiggled the stem and it dropped a fraction. I have the heater turned off now.

There has been a strong wind blowing at that side of the trailer and I wonder if that could fool the temp sensor into thinking the water is cooler then it is?

Everything else is working great and we are enjoying our new trailer!!

Thanks, Mel
I thought this was a problem when I first noticed it but have concluded that it is not. Of course, every instance in every trailer is not necessarily the same. Seems like the valve operating as expected.
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Old 09-13-2014, 07:36 PM   #8
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Ours will drip slightly from the pressure/heat relief valve until we run a small amount of hot water in the sink - which relieves the excess pressure and is simpler and safer than playing with the pressure valve.
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Old 09-13-2014, 08:54 PM   #9
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I appreciate the ideas and comments.

Anyone have blackish brown flakes inside the water heater housing on the bottom?

That was the part that got my attention.

Thanks, mel
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Old 09-13-2014, 09:16 PM   #10
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This is what they look like.
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