Quote:
Originally Posted by mtlakejim
Unscrew the pipe connection on the back of the winterizing port. Using needle nose pliers grab the 3 prong white plastic check valve in the middle of the winterizing port and pull hard. The check valve internals will break apart and you can push the backside out of the rear of the port. Then just screw the connection back on and your good to go.
FYI: winterizing system piping is color coded red. Water system is blue and Black Tank Flush system is white.
|
Don't rely on plumbing colors. Our rig uses red for hot and the black tank flush, blue for everything else, including the winterizing plumbing. Photos of the back of our convenience center and the port where the black tank flush line attaches to the front of the tank. Also a photo of the check valve/air gap valve inside the wall, note the red PEX line there too. No white PEX anywhere in our rig.