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Old 12-12-2015, 06:42 PM   #1
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Join Date: Oct 2015
Posts: 5
Cardinal 33TS holding tanks

Just bought a 2006 Cardinal 33TS without an owners manual. There are 3 holding tanks listed on the monitor: Galley, Grey and Black. There are 3 gate valves on the left side that are not marked. Can anyone tell me which is which?

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Old 12-12-2015, 06:54 PM   #2
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Join Date: Nov 2014
Posts: 436
The 4 inch line will be black. I suspect you have two next to each other and the third is above the front wheel?
If so, im guessing farthest foreword is black, other two are gray. Easy enough to verify. Dump water down kitchen pull the valve and watch the water drain out. Same for down the shower or bathroom sink.

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Old 12-12-2015, 09:58 PM   #3
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Join Date: Aug 2009
Location: Northern California
Posts: 126
I had a 07 Cardinal WB30LE and the handle by the wheel well (furthest towards the rear of the RV) was for the Galley/kitchen, the handle all of the way towards the front is for the black tank and the one in the middle was for the shower. I can't remember if the bathroom sink drained into the black tank or other grey tank. Perhaps someone with your model can verify. if you don't get an answer here, there is a Cardinal Owners Club forum.
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cardinal, tank

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