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Old 11-12-2019, 12:04 PM   #1
JoeyOC
 
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1961 26' Overlander
San Clemente , CA
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Help! 1961 Overlander Waste Valve-Hose Connection

Hi there,

I bought a 1961 26' Overlander last July and after restoration work, took it on its maiden voyage to Mammoth Mt., CA a couple weeks ago.

I bought a Camco Rhino waste hose, but didn't check the connection to the waste valve before I left (thought they were universal!).

Anyway, during my trip, the waste valve began to drip kitchen water and pee (no #2 waste), so it appears the old gasket needs to be replaced.

I bought a Valterra twist on waste valve, but it is too large.

It appears (see photos) that my 1961 waste value is original. It is 4" wide.

The Valterra was about 4.25" and wouldn't fit.

Can someone recommend a twist on waste valve that will fit or any options other than getting into the underbelly and replacing the whole valve (which several people mentioned I don't want to do!).

Thank you!
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Old 11-12-2019, 02:12 PM   #2
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1991 34' Excella
1963 26' Overlander
1961 26' Overlander
Central , Mississippi
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The original connectors were aluminum and some even said ‘Airstream’ in them. Unless you turn out to be a valve wizard, nothing you can do will stop the original brass slide valve from leaking. Adding a second external valve just lets you decide ‘when’ to have the sewer volcano. With the second valve closed, leaky black water will back fill the gray lines and into the tub.

http://www.airforums.com/forums/f109...ml#post1994538
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Old 11-12-2019, 06:19 PM   #3
JoeyOC
 
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1961 26' Overlander
San Clemente , CA
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Thank you!

So, you recommending changing out the pipes? Thank you!
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Old 11-13-2019, 05:29 PM   #4
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1991 34' Excella
1963 26' Overlander
1961 26' Overlander
Central , Mississippi
Join Date: Nov 2006
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Help! 1961 Overlander Waste Valve-Hose Connection

Nah, just a valve replacement and some minor re-routing of the gray pipes if yours is like mine. My brass valve had 3 inlets, the black was above the valve, and 2x gray inlets below the valve. Vintage Trailer Supply makes an aluminum adaptor that bolts to the bottom of the black tank and allows you to bolt a modern dump valve assy to the adapter. But...
it’s a different bolt pattern than my black tank bolts. Uggg. So I used their design and made my own from 1” thick uhmw plastic.
Bolt problem fixed. What to do about the 2x gray pipes and only 1 new gray dump valve, specially when all the old pipes are 1.25” and nobody sells that stuff?
Well, 1.5” pvc has an inside diameter that slips right over 1.25” black abs pipe. There is a special glue that bonds abs to pvc, kinda a green color.
The bath drains are behind the old valve and the kitchen is in front. I cut the bath drain, 90 degree’d it forward and T’d it into the kitchen piping (only about 1.5’ forward). Now I only had 1 gray pipe to be attached to the new valve assembly.
Effectively I added a gray valve without any holding tank so I could now remove the valve cap without any water that was in the pipes spilling all over my hand. Hook up the stinky slinky and pull the valves!
Sorry for the long post and no photos, the trailer is a couple of hours away. Plus, I’m not rebuilding that trailer...
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A honkin' long 34' named AlumaTherapy https://www.airforums.com/forums/f20...num-54749.html
and a 26' '63 Overlander, Dolly https://www.airforums.com/forums/f10...ome-71609.html
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Old 11-15-2019, 12:59 PM   #5
JoeyOC
 
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1961 26' Overlander
San Clemente , CA
Join Date: Aug 2019
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Hiho, thanks for your detailed reply. I appreciate your help!
Joey
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