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Old 07-22-2016, 10:29 PM   #15
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Country Coach Owners Club
Join Date: Jan 2006
Location: Sacramento Area
Posts: 3,233
I assume you followed Atwood's procedure to re-establish the air expansion pocket in the water heater tank?

This will stop the pressure relief valve from leaking.

The instructions are on a label still attached to my 21 year old 10 gallon Atwood WH.

Also in the manual.....

Atwood Water Heater Troubleshooting

If so, then all the above posts should be helpful.

1995 CC Magna #5280
C8.3L 300hp Cummins, 31,000lbs
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Old 07-23-2016, 06:05 AM   #16
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Join Date: Jan 2013
Posts: 67
Thanks deandec, That is the way I fill my tank. The link was an interesting read and is now bookmarked. I wnd up using a new Atwood plug with 3 wraps of teflon tape. No leak, no short cycle of pump.

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Old 07-24-2016, 06:04 PM   #17
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Location: Rogers, AR
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A easier way to re-establish the air pocket is to drain the garden hose so it is full of air. Connect it back to the water supply and coach, turn on the water and open a hot water faucet. All the air in the hose will go to the water heater tank and if there is any excess air, it will be simply go out through the faucet. This is an easy way to replenish the air pocket each time you hook up to city water and you don't have the wet mess of water coming out of the pressure relief valve and all over water heater gas controls.

2015 Itasca Sunstar 36Y w/2012 CRV toad
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atwood, leak, water

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