Quote:
Originally Posted by Gary-Alberta
Although I really can't understand how any water couldbe left in the black tank flush line, should flow both ways out from the high point, I did just go out to my rig and run antifreeze through it, "just in case".
It gets real cold here before I head down to Arizona in January.
|
I don't know what the water will do if the anti siphon valve is still installed. But removing it will allow water to remain in the flush line. The pic below is mine some time after winterizing and you can see the pink stuff in the lines.