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Old 04-04-2019, 09:12 AM   #37
whutfles
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Join Date: Apr 2015
Location: Omaha
Posts: 256
M.O.C. #17319
That just happened in our park last week. A couple came into our park close to dark, set up the RV, hooked up 2 hoses connected to a wye - one to the city water and one to the black tank flush, turned on the water and left. Their neighbor later heard water running and found water running out the plumbing vent above the RV. He shut the water off. It flooded their RV. They had a lot of fans running the next day. Sure made a new SOB old quick.

I think it's about time they changed the Anti-siphon valve so that it connects to a hose that drains out the bottom of the RV instead of draining into the mid-air inside the RV. And that if any pressure gets into this hose, it shuts the water off to the black tank backflush. It's not rocket science. It could even be an after-market add-on. As simple as a re-designing the anti-siphon valve with a shut-off on the inlet side activated by a pressure detector on the overflo side connected to a new drain out the bottom. Hello Montanna.
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