What is this part and what does it do?
Noticed some damp folded towels in the small cabinet under the sink in the bedroom and assumed I had a leak from the p-trap or something sink related. Turns out this (pictured) device has an occasio...
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I had a similar device in my camper start leaking. It was a one way valve and yours looks about the same. Mine was part of the sewer flush line and the one way valve was installed halfway in the line and placed under the bathroom sink. The device was higher than where you connect your hose and even more higher then the black tank. So I just removed the device and replaced it with a threaded elbow. It is above everything so it's not going to backwash anything back into my hose.
