Quote:
Originally Posted by Norrirn
Our 2013 Thor A.C.E. 29.2 has 2 low point drains, one on the input side of the water pump, the other in the output side. The output side drain refuse to pop up regardless of the effort. Last winter, I chose not to deal with it as I reasoned that pumping antifreeze through the system would displace any residual water. I know that replacing the little pop up valve is the ultimate resolution but it’s hard enough to reach just to get a hand on tucked away behind the WP. I’ve sprayed a little PB Blaster on the thing but worry about degrading the nylon or plastic. Thoughts? Suggestion?
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Just to clarify, on my 2013 ACE 30.1, I also have the same two low point pull drains on either side of the water pump......and they are low point drains. If one of these drains is frozen shut then pumping pink antifreeze into your lines through the water pump will replace the water in the line and force it out through faucets etc during the normal Winterization process. A simple plumbing diagram is attached.
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