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Old 05-14-2015, 09:32 PM   #11
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Old 05-15-2015, 04:29 AM   #12
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Originally Posted by steveo2626 View Post
Thanks everyone for the help. I think I just need to get one of these:

Then I'll just need to buy a new gray water valve/flange and some fittings/pipe to attache to the end of they gray water line. Not too bad I suppose.
Yes that should work


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Old 05-15-2015, 05:45 AM   #13
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steveo, once you get this issue fixed, suggest you visit the Hybrid/Expandable section here, since the 18th is a hybrid TT.
There's even a Surveyor sub-forum there, where you can discuss things with other Surveyor owners.
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Old 05-15-2015, 12:28 PM   #14
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You really should incorporate them so you can flush the black out of the hose with grey water. Otherwise, you're going to be having a nasty problem down the line.
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Old 05-15-2015, 03:58 PM   #15
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That Tee should work fine with a gray water valve and a black water valve. If you added a common valve after those two you can have added flexibility to transfer gray water to your black water tank. You'll find the gray water fill more rapidly than the black. With a common valve closed and more water in the gray tank than the black, you can open the gray valve then the black and gravity will transfer the gray water to the black. It is also a method for flushing the black tank after draining.
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Old 05-15-2015, 04:03 PM   #16
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X2 on the Tee valve set up. That is all you need to do. I agree the unit was most likely a seasonal RV and it was simply dumped into a proper drain.


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Old 05-16-2015, 06:03 AM   #17
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Missing parts

Maybe someone cut it to hook up to a permanent drain and kept the black water valve for periodic drainage. Definetly been modified by removing the drain valve for the gray for some reason.

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drain, water

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