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Old 07-01-2012, 10:06 AM   #1
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Location: Des Moines,Iowa
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Fresh water tank overflow

I know this has been discussed before, but most of that was before my time (speaking in Alpinion terms) and I am tired of loosing 25% of my freshwater fill to the tank siphon demon.

Takepride described in great detail with pictures how to solve this problem, but I have been unable to find a source for the adjustable check valve. I am wondering if anyone has a manufacturer or part number for that valve?



2001 Alpine 36MDDS
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Old 07-01-2012, 12:51 PM   #2
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I found it at an irrigation parts supply house on-line, but I don't have that address any more. Hopefully, Google can help.

John and Lori
2005 Alpine Coach 40FDQS
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Old 07-01-2012, 03:07 PM   #3
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I found it a irrigation supply also, works great easy fix
Tom and Sue
2005 Alpine FDQS
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Old 07-01-2012, 06:35 PM   #4
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I just did something like this on our '99. I just used a PVC 1/2" ball valve because I wanted to be able to drain it when winterizing without having to take it apart. Also did the drain intake for the fresh water pump while I was in there.

It was WONDERFUL to get up to our last 4 day boondocking site with a full tank.
The above post is just my experience/opinion which is worth exactly what you paid for it.

'05 Lance 845/'06 F-250 or '99 Alpine 36SDS Usually towing an '01 Wrangler locked on 35"s or moderate '98 Cherokee on 33"s (rear locker only)
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Old 07-06-2012, 10:34 PM   #5
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I bought mine at Ewing Irrigation (they have a website). However, you can get it from any good plumbing or irrigation supply place. I believe NDS manufactures one.
2003 Alpine 40FDTS (400HP)
Long Beach, CA
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tank, water

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