Originally Posted by 19_Skier
interesting, I was told they are self draining. Learned that lesson the hard way and I am adding it to my list for each fall. How do you typically purge the lines? just a shot of air?
Who told you that? They were wrong.
Ever use an eye dropper? How well does that drain itself? Both are closed on one end and open on the other.
If you have a turkey baster, that would work. A vacuum pressure pump or low pressure compressed air work, too.