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Old 05-21-2015, 06:33 PM   #1
Join Date: Apr 2014
Posts: 65
Grey Water Valve Blocked

After dumping one of my grey water tanks, the valve only closed halfway. It is a solid stop not some, like something is blocking the valve, but is is grey water, nothing should be in there. Anyone have this problem or know what is happening?

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Old 05-21-2015, 06:58 PM   #2
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Location: Stromsburg, Nebraska
Posts: 1,654
Hmm. It's not unheard of for the plastic disc, from the original tank home being drilled, to be dropped into the tank. Could be your stopage. :0

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Old 05-21-2015, 06:58 PM   #3
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A guess, construction debris or the plug from the tank when they cut the holes.
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Old 05-21-2015, 07:24 PM   #4
Join Date: Aug 2013
Posts: 56
New trailer?

We had the same problem in the first year upon the second or third grey dump. With a little help from the good people on this site I carefully disassembled the valve from the PVC pipe and was able to clear the debris from the factory.
Big Johnny
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Old 05-21-2015, 09:05 PM   #5
Join Date: Apr 2014
Posts: 65
Thanks for the responses. Guess I will have to get under the cover and take a look. As for construction debris, I still get a RV full of saw dust every time I fire up me heater. Guess I will have to address that soon or maybe they can take a look at it at the rally.
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Old 05-21-2015, 09:53 PM   #6
Join Date: Jan 2015
Location: Louisville
Posts: 90
Can you feed something up the drain and see if there is a blockage. I had an issue with my black tank valve not shutting. It's a little scary pulling the hose off your drain with the black valve open but I just cranked up a hose and ran it up the drain and it freed up what ever was blocking the valve.

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grey water, water

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