All drains running slow and grey tank empty
Hi all, I picked up a 2011 Roadtrek popular 190 last week and took it out camping this weekend. All the drains run slow (with the gray tank empty) and when I fill the kitchen sink with water (high...
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Rooftop vent pipe is for black tank, or at least it was on our '03C190P. Look under the kitchen sink in the cabinet - should have a drain pipe with a venting cap (anti-siphon-something...) on it. Sounds like that diaphragm is stuck... ST
