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View Poll Results: How would you repair the connection?
Take the pipe connection apart, clean and install new PVC cement 2 100.00%
Externally clean the connection. Apply several coats of PVC cement to the connecting pipes. When completely dry apply a liberal application of GE Silicon sealant. 0 0%
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Old 08-02-2007, 10:19 AM   #1
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The gray water leaks at the connection between the black "L" connection and the verticle drain tube dropping directly from the gray water tank.
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Old 08-02-2007, 10:19 AM   #2
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The gray water leaks at the connection between the black "L" connection and the verticle drain tube dropping directly from the gray water tank.
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Old 08-02-2007, 10:51 AM   #3
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Florence, welcome to iRV2.com. We are glad to have you join us. You need to find out where the leak is exactly. If it is the tank you may have to have it repaired or even replaced if it is bad enough. If it is a pipe you will need to cut it off and replumb the bad part with new pipe and/or fittings. You can remove the valve blade assmy. and work up to this point and then reinstall the valve at the very end. If you have more questions you can simply click the reply button and won't have to select a pole option to post messages in the forum. Good luck and let us know how it goes.
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Old 08-02-2007, 01:43 PM   #4
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I have had some success using sealants on black/gray pipes - there is no pressure to speak of, so anything that stops water may work. PVC cement is not itself a great sealer, though. It is actually a solvent rather than a cement - it actually welds plastic surface together. You would be better off using a sealant designed for fixing leaks in pipes or tanks. The sealant tapes that wrap around pipes work well too, but generally have to be on a open stretch of pipe so you can wrap it effectively.

They sell an epoxy designed specifically for pipe repairs and it is pressure rated. HERE are some products that may work for you.
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Old 08-02-2007, 01:55 PM   #5
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RV Roamer hit the nail on the head. At least I would have said the same things but maybe not had all the links. An epoxy or cement to stop the leak is the first thing to try. If you want a new PVC joint you will need to start with new pipes because you can't redo a joint. As RV Roamer said, a little epoxy, cement, or caulk should stop the leak.
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Old 08-05-2007, 12:53 PM   #6
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Florence,
I repaired a leak in my grey water tank outlet about five years ago and was successful by using two-component epoxy from the local RV outlet. They make this epoxy for various types of repairs, but what I used the package was marked for grey and black tanks. It was easy, I just followed the directions.
Best of luck and happy trails.

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