Quote:
Originally Posted by lwmcguire
Surely the flush connection isn't the same as the potable water connection
If this is truly the case then that is a serious health issue for anyone using the same hose bib and certainly the RV
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Technically it shouldn't be since both have back flow preventer and if working correctly nothing from inside the connection will get back into the hose. The black tank flush should also have a one way suction valve as well.
With that said, most owners that have a black tank flush system are a little smarter than to do something as stupid as you suggest. Most of us carry a separate hose which is used when dumping tanks whether it is grey or black and that hose is used for flushing the black tank as well as rinsing the sewer hose after tank dumping is complete.
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