Quote:
Originally Posted by isosceles
After searching the forums, I have learned a great deal about the black water flush system on RVs.
The problem I have with mine, seems to be a check value that is installed backwards (as the system does not spray, and also does not leak inside or outside the trailer)........ however I cannot find it on my trailer.
Has anyone found the location of the atmospheric check value on their Fuzion 301?!
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I am guessing that you mean the vacuum breaker/anti siphon device in the line for the black tank flush?
In most of our rigs, the vacuum breaker/anti siphon device is located up under the bathroom sink. There should be two hoses coming up from the floor in that cabinet. It will be fairly high up so you'll have to get down on hands and knees with a flashlight and look upward into the cabinet.
If you've read a bunch of the threads about the black tank flush and associated problems, you should have seen one or more pics that should help you find it.
It's also possible that there is a kink in the hose somewhere between the black tank and the connection where you hook up your hose. The only way to find a problem is to trace every inch of the hose.
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