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Old 08-15-2011, 08:23 AM   #15
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shutting off the supply water should become second nature when you leave your site. it's the reason most boats sink in fresh water while sitting in salt water. I would really hate the cleanup on an RV with carpet and a flooded coach. you get to say weeks later...whats that smell??

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Old 08-15-2011, 01:46 PM   #16
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I would think that another good idea would be to dump the gray tank before it gets full. Then, you wouldn't have to be concerned about it overflowing.

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Old 08-17-2011, 03:41 PM   #17
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There is no prize for filling your tanks to the tippy top.

When I'm hooked up to sewer I leave the gray tank open. This will eliminates the possibility of tank overflow. We have a washing machine plus a dishwasher and I don't want to take any chances with a 55 gallon gray tank.

I empty my black tank anywhere from 1/2 to full (45 gallons). I then flush it two or three times, add a few gallons of water and close the valve.

Of course, if you're dry camping ...that's another matter.

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Old 08-17-2011, 04:15 PM   #18
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We have some friends that we RV with. My buddy dumped the black tank and then proceeded to "flush" the black tank....well he had closed the black tank valve and then proceeded to doing other things getting their RV ready to leave the campground. All of a sudden his DW was yelling that some greenish water was coming out of the shower drain . My thought is that he had not yet dumped the grey tank and the vent pipe for the black and grey tanks is Y connected. When the black tank filled the "flush" water came up thru the vent pipe and in to the grey tank. The cleanup was a mess.
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Old 08-17-2011, 04:23 PM   #19
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Originally Posted by zzzs View Post
We have friends who were camped next to us with domestic water connected and grey tank dump closed on htier rig. One of their kids left a bath faucet running when we went out to dinner. When we returned water was running down the entry steps all the way from the shower.

Rule of thumb shut off water supply when ever leaving your coach. I do.

If you use the Sewer Solution, the gray water valve can be left open all the time so that is not a problem.
The shower filling is a great indicator cause the DW has a fit!!!!!!

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