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bubbacummins's avatar
bubbacummins
Explorer
Aug 24, 2013

new to campers. kitchen sink wont drain, grey tank is empty

Just bought a 2008 Fleetwood terry 295tsrl a week ago and been living in it. This morning my wife started doing dishes and went to drain and it went down about 3" and stopped. Don't wanna unscew the vacuum breaker for fear of it filling my cabinet with water. Went ahead and drained the black and grey tanks and the sink is still full. From reading online it says this thing has 2 grey tanks. But the underside is covered with just the 1 grey and 1 black line coming out and connecting. Then at the back there is a small 1" or so drain I'm assuming is for fresh water as it is directly below the fresh water tank. Went ahead and drained it as well still nothing. Other than that there are 2 small drains with screw on caps and that's all that's below the cover.

Is any body familiar with these or where a second drain valve is located?

Any help is appreciated. Thanks


Also it is a 5th wheel if that makes a difference.
The level indicator says empty on grey and black and full on battery and galley

12 Replies

  • I have a rear kitchen model 5th wheel. There is a 2nd grey water drain/tank located at the back of the trailer. In my case, the handle is right behind the slide out.

    It seems apparent that either you have a 2nd tank, or you have a plugged drain or pipe somewhere.

    I've located the manual for my Mountaineer on the internet; maybe you can too, if you didn't get one. The model on Keystones is right by the door: mine is a 29RK.

    Added: the handle fell off my drain once, leaving only a small threaded rod. Maybe the drain handle/rod is more subtle than what you are looking for.
  • Disconnect the trap (U shaped PVC) under the sink and empty it. Could be the issue.