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Old 10-24-2010, 09:21 PM   #1
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Location: Janesville, WI, Wisconsin
Trailer: Escape 19 (sold) Escape 21 2014
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Water Heater Puddles

Just finished the last trip of the year and spent some time camping/parked on concrete pads. We usually are on gravel or sand. I noticed there was a significant amount of moisture on the concrete directly under the water heater vent cover. I would say the concrete was wet, puddles are an exaggeration. I opened the heater cover and nothing was wet and dripping, though there was some moisture. Never encountered this before, is it common? Perhaps the cooler temperatures cause this?

Paul and Janet Braun
2003 Toyota 4Runner V8 now 2012 Toyota Sequoia V8
Escape 19' 2010 now 2014 Escape 21'
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Old 10-24-2010, 10:35 PM   #2
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Location: Galesville, Wisconsin
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Re: Water Heater Puddles

Paul I noticed some water leaking from our pressure/temp relief valve on our water heater. I pulled the lever to open it a bit and reseat it, and since them have not noticed any leakage. Ours is the dual fuel and it was running on AC when it did that.

Eric (and Mary who is in no way responsible for anything stupid I post)

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Old 10-25-2010, 12:15 PM   #3
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Re: Water Heater Puddles

I found the same event with our dual fuel heater in either AC or propane. As Paul said, reseating the lever solved the problem.

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Old 10-25-2010, 01:15 PM   #4
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Location: Pollock Pines, California
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Re: Water Heater Puddles

The water in the tank expands as it heats, and a bit is forced out -- one reason the relief valve is there, and the bit of release is OK. I read a procedure somewhere that went like: after the hot water tank is full and before heating water, turn the water pressure off (pump or city spigot), open a hot water tap and then open the relief valve to drain a bit, thus creating an air pocket in the tank that will prevent dribbles when heating water. I've been too forgetful to try this myself yet, however.

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