winterizing question Low point drains open or closed

capndan771 wrote:
Leave open in case there is a small amount of moisture in the lines. I am assuming you are not using an antifreeze after blowing lines out. If using anti-freeze, of course low point drains would be closed.

Op here...Correct, no anti-freeze in lines, just little down each drain. So no water to freeze in lines. Was really thinking about bugs or anything that might harm system

Thanks