Winterizing without anti-freeze - Event Date: 28 Dec 2012

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Originally posted by tsunami123

The first fall I had my Pod, I planned on using an air compressor to blow out my water lines, followed by pumping RV antifreeze through them.  After I blew out the lines...I had a family emergency, so I wasn't able to get back for a couple days to add the antifreeze.  When I did...the air compressor was still hooked up to the Pod.  For some reason...I ran the compressor again (even tho' I had blown out what I thought was all of the water...no liquid spraying out).  To my surprise several good blasts of water jetted out of the faucets.  I think that there was a sufficient coating of water on the inside of the pipes so that after a day or two liquid had accumulated at one or more low spots.  I don't know if this small volume of water would have been enough to crack a valve or not.  But from then on...I always add antifreeze after blowing out the pipes.
I really don't like the taste left in the pipes in the Spring so I blow out the antifreeze, followed by flushing with clean water and then I make up a couple of gallons of baking soda water and pump it into the pipes and then let it sit for a day or two. Then I flush the soda water...and the bad taste is gone.

... and that was with using a compressor.  The OP used a hand-pump, which would have push out and dried-up even less from the system.  I know some feel I'm being anal on this subject.  I just hate seeing someone incur an un-needed expense and inconvenience in repairs.