Quote:
Originally Posted by beeje
#1- get rid of that vacuum breaker all together. They are a flood waiting to happen and are not needed. Cut the lines in the basement under the floor and plumb them together
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If you do this, what prevents fumes from the black tank escaping through the tank flush port in the convenience center.
Please don't say put a cap over the port. 
__________________
ATC/NAC Jerry A. Burkholder, USN (RET.)
Rule #1. The Chief is always right.
Rule #2. When in doubt, refer to rule #1.
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