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Old 06-10-2016, 02:27 PM   #1
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1964 24' Tradewind
Stillwater , Oklahoma
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Is this a Thetford connection?

Hello - 1964 Tradewind question:

This is what is on our black water tank. It measures 3 3/8" in diameter.



We have had trouble getting the sewer hose to seal properly. I did some reading and then ordered the Thetford to Valterra universal adapter, and that didn't fit quite right either.

Do I need a special hose? Some other sort of adapter? Help, please!
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Old 06-10-2016, 02:37 PM   #2
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How is that connection connected up stream? If it is just a hose clamp or if you have enough distance to get a fernco, http://www.fernco.com/plumbing/flexible-couplings, fitting in there I would just upgrade to a current connection.
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Old 06-10-2016, 02:44 PM   #3
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Here's the only other picture I have of it at the moment.
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Old 06-10-2016, 02:44 PM   #4
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Does not appear to be a Thetford fitting.
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Old 06-10-2016, 03:42 PM   #5
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I've never seen a fitting like that. I suspect the best thing to do would be to find a modern fitting with the same pipe size, so you can cut that off and glue the new fitting over it.

What's the other leg of the "Y" for?
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Old 06-10-2016, 03:47 PM   #6
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1965 26' Overlander
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Looks like a thetford valve, but not sure about connection. Look at Inland rv website to see if you can identify the valve.
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Old 06-11-2016, 02:31 PM   #7
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1980 24' Caravelle
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I had a 64 overlander: there was a metal 90 adapter. Check ebay or craig's list. Or put a new adapter on your valve.
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Old 07-16-2016, 01:29 PM   #8
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1971 31' Excella 500
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Quote:
Originally Posted by drboyd View Post
I've never seen a fitting like that. I suspect the best thing to do would be to find a modern fitting with the same pipe size, so you can cut that off and glue the new fitting over it.

What's the other leg of the "Y" for?

Looks like the smaller part of y may be grey water connection?? Not familiar with the end tho sorry?
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