Can someone tell me why you need line low point drains? I've had trailers and now RVs for years and I've never used one. If you winterize with the pink stuff it will be in the lines and everywhere else.
With past campers I didn't use pink stuff. I would drain water heater then bypass open all faucets and blow lines out with air then pull low point drains. Did this for years and never had a problem. Biggest advantage is no pink stuff to flush out. But that was with a 2000 wildwood. Say I need to find out best way to winterize since it's knocking on the door.