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Old 01-01-2016, 12:34 PM   #15
1 Rivet Member
2010 23' Flying Cloud
Traverse City , Michigan
Join Date: Jun 2015
Posts: 12
Question Winterizing Problem

I have a problem that is stumping me. Hoping that someone can bail me out. This year I have a new (used) 23ft Flying Cloud - 2010. I have been doing this winterizing process with my RVs for over 40 years without any problem, including an old AS. Winterizing the AS this year, I disconnected the intake on the water pump and attached my tube to take in the anti-freeze. The problem is the anti-freeze would go back into the water tank. The by-passed valves are set correctly for winterizing. Is there something that I am missing? My only thought is maybe a check valve is failing somewhere in the system? But then again the system holds pressure when using the water pump. My dealer which is 1,200 miles away told me to put the anti-freeze in the tank and feed it from there? Not too crazy about that idea. The winter storage for our unit is in Coastal Alabama so I still have time to get on top of this! Perplexed and/or confused...

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Old 01-01-2016, 07:35 PM   #16
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1986 34' Limited
1975 27' Overlander
Conifer , Colorado
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Hi larry 49584. Welcome to Air Forums. I'll bet someone more knowledgeable than me will help solve this problem. But here are some thoughts:

The "anti freeze" valve on the intake side of the pump typically blocks the fresh water line. Thus the pump only draws anti freeze from the hose and jug.

Sometimes opening a faucet helps the pump develop some flow.

If you have anti freeze draining back to your fresh water tank, there might be something amiss with the valve.


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