Hi all,
Thought I would share something I did with my sewer drain pipe.
Seems to me that no matter how long I wait after I shut off my waste tanks I always get a little of liquid when I take the cap off the nest time I go to hook up my sewer hose. So what I did was find a knife(blade) valve with regular coupling and installed between the cap and the drain line. It fits on the drain valve just like the cap and sewer hose since it has same coupling. Got it a CW for about $18 and it is called Twist ON Waste Valve made by Valterra Products. Their web site is
www.valterra.com.
Maybe some of you already have it but if not might be something to keep waste water off of you.