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Old 11-22-2020, 09:05 PM   #1
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Brand: Thor Motor Coach
Model: Omni RB34
State: Oregon
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THOR #20891
Backflow Valve

Anybody use a backflow valve on their "garden hose" to keep it "clean" when using it on the Black Tank Flush?

Lots of videos instructing to use separate hose, not fresh water hose, when attached to Black Tank Flush. If contamination is a major problem, wouldn't a simple backflow valve reduce the risk?

Don't get me wrong, I would use a separate hose, but intend to add a simple backflow valve to keep the garden hose clean too.
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Old 11-22-2020, 09:31 PM   #2
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THOR #3156
It won't hurt any to add one but I use separate hoses always

Jerry
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Old 11-22-2020, 09:59 PM   #3
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If the original backflow device is still in place & working properly you shouldn't need any addon backflow device.
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Old 11-22-2020, 10:24 PM   #4
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My Hurricane flush doesn't seem to have a back flow valve so I use the everyday garden hose for flushing the tank.
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Old 11-22-2020, 11:42 PM   #5
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THOR #8860
Separate hoses... and run a bleach mixture through it after each use.
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Old 11-23-2020, 01:49 PM   #6
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Separate hose and your black tank flush should have a valve on it,usually hidden.
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Old 11-23-2020, 06:14 PM   #7
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THOR #20891
Thanks for the replies, All.
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