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Dupree dump valve leaking
#1
Kelly noticed a small puddle under the coach after coming back from a hike this morning.

Tracked it to the Dupree curb side dump valve. I can see a slow'ish drip coming from the bottom of the valve body. Of course, it's holding tank, so even a slow drip is not slow enough.

I found some old threads on replacing the gate and seal assembly. But I am concerned -- could that deformed seal cause a leak out the body? I'm thinking that the valve body must be cracked or something. I just dug up these threads and it's dark now, so I have not had a chance to take the valve apart to look closer. I am very much hoping that I do not have to replace the body - there's maybe 1/2" between the valve and the holding tank.

And of course it had to be the curb side dump. At least on the proper dump valve I could just use the gray water bypass to keep from leaking.
Paul
Coach #540
2000 Double Slide, Bath and a half, Average sized fan for its age
Fulltiming our way around the Western states for a while
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#2
i would be surprised if the valve body is cracked. possible, but not likely. i would more suspect the seal is just bad. i would rebuild it and see if it fixes it. you just need a new rubber paddle.

start with that. sometimes they are very fun to get out.

my two cents worth

tom
2002 45'8" Newell Coach 608  Series 60 DDEC4/Allison World 6 Speed HD4000MH

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#3
And if it cracked and you don't plan on ever using that dump you could always get a plug that fits the hole. My '93 (Jon's coach) has a plug rather than the dump valve on the curbside.
Forest & Cindy Olivier
1999 Foretravel 36' U320
former owners 1998 Newell 45' 2 slide #486 

former owners 1993 Newell 39' #337 
2011 Chevy Tahoe RZR 570LE

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#4
Thanks Forest. Capping it off was actually my first thought. Luckily I'm just barely smart enough to check Newellgurus first to find out that there is hope!

Newell is overnighting me their last gate & seal assembly. Somehow they were a few bucks cheaper than Dupree's price on it.
Paul
Coach #540
2000 Double Slide, Bath and a half, Average sized fan for its age
Fulltiming our way around the Western states for a while
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#5
Received the new gate from Newell. There's also a loose O-Ring in the bag. Before I tear this apart tomorrow, I was wondering if anyone could tell me how the O-Ring fits into the equation, I was not expecting it.
Paul
Coach #540
2000 Double Slide, Bath and a half, Average sized fan for its age
Fulltiming our way around the Western states for a while
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#6
Is it a small o-ring? If so it fits on the handle shaft.
If it's a large o-ring I think that fits into a groove to seal the top piece from the chamber, which is rectangular.
Here is the parts breakdown from Dupre's webpage: http://www.dupreeproducts.com/SearchResults.asp?Cat=12
Forest & Cindy Olivier
1999 Foretravel 36' U320
former owners 1998 Newell 45' 2 slide #486 

former owners 1993 Newell 39' #337 
2011 Chevy Tahoe RZR 570LE

Reply
#7
Thanks Forest! Somehow I had missed that breakdown even though now I see it right on the menu right there in front of me. Doh!
Paul
Coach #540
2000 Double Slide, Bath and a half, Average sized fan for its age
Fulltiming our way around the Western states for a while
Reply


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