Quote:
Originally Posted by Old_Stevenick
This all falls into the "I'm glad I asked" category.
I am considering using one of these
Backflow preventer.
My self install has the No Fuss Flush mounted on the upper side of the blackwater tank with a 3' metal garden hose running to the side of the TT. I am putting a cap on that.
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If it were me, I'd put that backflow preventer on the end of the metal garden hose where I could see it and "know it's there and working" every time I touch the hose connection. I'd also wear rubber gloves when handling the cap covering that backflow preventer, just in case it might "malfunction" when I least expect it..... The objective is to prevent black tank contents from getting "out through the flush nozzle/plumbing"... If you're doing that, you should be OK as long as it works properly.
Good news (if you can call it that) in 50+ years of trailering, I've never had any inspector check for a backflow preventer on any of my trailers. So, it's pretty much an "honor system that you keep the rest of us from being contaminated if we use that campsite after you leave".....