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Old 05-11-2009, 01:55 AM   #21
encantotom
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the rv shops all sell the smaller diameter fittings and hoses. the ones we have on our older rigs are Thetford and are heavier duty and bigger.

i did find one at a camping world last summer, but most shops will not have them.

do a search on Thetford valves and i am sure you will find some online.

you should be able to find them for 10-15 bucks.

tom
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Old 05-11-2009, 05:06 AM   #22
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Thanks, Tom....I've got the same problem....think I've found a source, and I'll let you know as soon as I get a reply from the supplier (Vintage Trailer Supply: http://www.vintagetrailersupply.com/..._p/vts-337.htm). This cap is designed to fit the Thetford 3 3/4" waste pipe according to their website. I think that is the diamter of mine. Off the shelf waste caps are a "shade" too small in diameter for my connection, which I'm assuming is your case, and others here. They appear to have a number of Thetford OEM products.
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Old 05-11-2009, 07:20 PM   #23
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Most of the sewer hose connectors are Valterra. Airstream and Newell, as well as a few others used Thetford fittings. It is not nearly as easy to find Thetford fittings as Valterra fittings. The old hands would certainly know about Thetford fittings but the newer sales people might not.

Camping World sells the Thetford sewer hose fittings http://www.campingworld.com/shopping...-fittings/4182 as well as mail order companies like RVParts Center http://www.rvpartscenter.com/prodsel...DID=10&CID=414 . Valterra sells a Thetford to Valterra adapter that allow you to connect a 'standard' Valterra sewer hose connector to a Thetford fitting: http://www.valterra.com/RV/valve_caps_and_adapters.htm (bottom of page). The Thetford connectors are more durable but harder to find.
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Old 05-11-2009, 07:33 PM   #24
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Thanks Michael....as usual you have provided a wealth of sources. So, if I am buying a Thetford product it will most likely fit my Thetford fittings on my coach?
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Old 05-11-2009, 07:46 PM   #25
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Thetford's current fittings are exactly the same as the fittings they made 30 years ago. I have constructed adapters in the past to convert Thetford to use Valterra fittings. I generally like the Thetford valves and fittings to the Valterra even though they are not as easy to find and are typically more expensive.
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Old 05-11-2009, 08:11 PM   #26
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They are certainly heavier duty.....the fittings on my Class C were Valterra I guess and the caps, and fittings broke on me several times. These Thetford ones are bullet proof.
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Old 05-20-2009, 09:30 PM   #27
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Got my sewer Thetford termination cap replacement from Vintage Trailers (link in prior post), as well as a 45 degree fitting coming off the dump valve. The one that came with the coach was straight down, and if I had to lower the driver's side of the coach too far, it was difficult to attach sometimes. Now it will be easier to attach the sewer line. The new termination cap came with an attached cable that I rivited to the bottom of the coach, so if this one comes loose it will still be dangling there the next time I check (I hope). Thanks for the help in identifying what I had so I could find the replacement cap, and upgraded connector.
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Old 05-31-2009, 10:12 PM   #28
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Default What Is This Fitting?

The image shows the fitting at my automatic dump valve. I am not certain what type this is but I know I need to find an adapter to some more standard fitting so the facility that stores my rig can dump my tanks.




The OD of this fitting (not counting the locking lugs) is 4 inches. Any ideas?
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Old 06-01-2009, 11:06 AM   #29
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Tim,

That is the same fitting we all have, and the same fitting that was discussed earlier in this thread for sources.
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Old 06-01-2009, 04:41 PM   #30
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OK, thanks. It just didn't look the same when I was checking out the links.
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Old 06-03-2009, 10:24 PM   #31
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Tim, you are correct that it doesn't look the same but it is worth the effort to see if a Thetford fitting will connect to it.
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Old 09-27-2009, 11:25 PM   #32
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How are you?
Richard, sometime back you posted this reply.....
Have you purchased from this company?....
Is their part direct a replacement?.....
My valve handle works but the paddle inside doen't move up!!!!
thanks, matt
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Old 09-28-2009, 01:49 AM   #33
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Hi Matt,

Are you asking about the fitting or the valve?

R
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Old 09-28-2009, 12:18 PM   #34
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Sorry about that, my valve seems to have broke... the shaft doesn't raise the paddle that blocks the exit. (the shaft does work)
thanks,
matt
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Old 09-29-2009, 10:46 PM   #35
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may want to change you diet...
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