Plumbing Question
We have a split bathroom in our 2005 rig and the photos below show the plumbing located behind the base of our shower inside a wardrobe cabinet. Is the device shown an anti-siphon or check valve? ...
Forum Discussion
Yep, I have 2 in my RV. I have replaced them both over the course of 7 years, and have a spare in a basement for the next time. They only cost about $6 if I recall correctly.
They are to vent the drain where they are attached to keep the water from being siphoned out of the U trap.
They are to vent the drain where they are attached to keep the water from being siphoned out of the U trap.
