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Old 10-27-2015, 05:10 PM   #29
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2014 20' Flying Cloud
Long Island , New York
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Quote:
Originally Posted by Mike S. View Post
The brass valve is a water drain for the plumbing system, not the tank. The white valve drains the tank. I broke the brass valve while my trailer was sitting in my shop trying to figure out what is was for. Had a hose hooked up to the water supply and turned the valve. Water came out and the valve broke off. The 90 fittings have a thin wall and are easy to break. It is a pita to fix, had to cut an access hole to gain access to the pex tubing. If it breaks, the brass fittings will just spin in the pex. I put a smaller valve, like that found on a car radiator, to reduce the chances of being hit, eliminating the 90 fittings. Hope this helps.
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Originally Posted by 111 View Post
Nothing in the owners manual about the brass. Dealer doesn't know anything.
Thanks Mike for solving the mystery here. I believed you but thought it best that 111 confirm the diagnosis for HIS coach's valve.

Could you guys please comment on the left end of the valve being convex/bulbous to receive flared copper tubing, or is it NPT as wander-west suggests?

Thanks
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Old 10-27-2015, 06:45 PM   #30
111
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2015 23' Flying Cloud
Moses Lake , Washington
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No flare on the brass, Its a low point drain for the lines but its in a exposed area. Just asking to be knocked off or turned on so all my water gets pumped out.

Great for winterizing though..
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Old 10-27-2015, 09:09 PM   #31
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2017 25' International
Joliet , Illinois
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I have the same setup on my 23D. Mike S. has it right. It's a drain on the plumbing side (after the water pump). If I remember right, take out the converter/ fuse box and you can see the tube go straight down through the floor.

I am going to put on a winterizing kit this year and have everything apart......again. Can get a picture if someone needs.
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Old 10-27-2015, 09:53 PM   #32
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Value

Probably low point drain for water lines.
We have. 25' Flying Cloud. Had to replace one of our low point valves. Airstream sent us a brass value just like this one.
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