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Tricky · 03-28-2019, 08:19 PM

We have a 2019 3121RL anniversary edition. While I was dewinterizing and draining lines, the kitchen sink water drains out thru the outside drain even with the gray water valve closed. The Bathroom sink and shower works correctly. Any suggestions on what could be the cause?

03-28-2019, 08:19 PM	#1
Tricky Seasoned Camper Join Date: Mar 2019 Location: Cookeville Posts: 51 M.O.C. #23654	Kitchen Sink Drain We have a 2019 3121RL anniversary edition. While I was dewinterizing and draining lines, the kitchen sink water drains out thru the outside drain even with the gray water valve closed. The Bathroom sink and shower works correctly. Any suggestions on what could be the cause?