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Old 08-22-2011, 08:23 PM   #1
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Black water tank flush

The idea of pulling a garden hose into the bathroom to flush the tank, not too appealing to me. For about $15 i bought this handy device. I did not the buy the one that claims to turn. Most reviews were negative. This one just sprays the inside of the tank from static holes drilled in the nozzle. Very easy install.
I added a few feet of garden hose to gain access. (the tank is behind the axle)
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Old 08-22-2011, 09:36 PM   #2
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Make sure you always use a backflow preventer on the hose end.

You should also install an anti-siphon valve to prevent black water from entering the flush hose and siphoning it out the inlet while you drive.
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Old 08-22-2011, 09:48 PM   #3
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They normally get sold with the anti-siphon with the kit. Make sure that you use it, otherwise, although a long-shot, you could really contaminate a water system badly.

Also, don't forget the winterize that line when you put your unit away for the winter. The water in the hose and sprayer will freeze and damage it. I just blow it out with compressed air.
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Old 08-22-2011, 10:05 PM   #4
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The anti siphon is built in. I store my trailer inside a heated building. I winterize in case the power fails. But thanks for the tip.
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Old 03-30-2012, 11:17 PM   #5
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Steve, like the idea on the flush. Better than letting the kids fill up the black water by running the fresh water. What did you do to mount the hose on the outside?
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Old 03-31-2012, 07:36 AM   #6
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Quote:
Originally Posted by GaryRudolph
Steve, like the idea on the flush. Better than letting the kids fill up the black water by running the fresh water. What did you do to mount the hose on the outside?
Yes, i ran a few feet of hose for easy access
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Old 03-31-2012, 12:18 PM   #7
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You just hang it underneath or drill the side?
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Old 03-31-2012, 01:04 PM   #8
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Quote:
Originally Posted by GaryRudolph
You just hang it underneath or drill the side?
I did the side so water will spray the length of the tank. It works well. I have a clear extension on the drain before the macerator pump. I was surprised at the amount debris it washes out.
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Old 03-31-2012, 01:09 PM   #9
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I can post more pics if it will help.
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Old 03-31-2012, 01:37 PM   #10
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Steve, did you mount the loose end of the hose to the side of your trailer for easy hookup to a fresh water source? Or is the hose simply tucked up/coiled up underneath your TT? Where did you purchase the kit?
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Old 03-31-2012, 06:04 PM   #11
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Where did you purchase the kit?
I found the kit at Camping World. They had both the spin one Steve said had negative feedback and the one he used.
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Old 03-31-2012, 07:45 PM   #12
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Quote:
Originally Posted by GASPEDDLER
Steve, did you mount the loose end of the hose to the side of your trailer for easy hookup to a fresh water source? Or is the hose simply tucked up/coiled up underneath your TT? Where did you purchase the kit?
I mounted it to the side by the gray water dump. Easy to hook up. I will have to check where I ordered it. I bought the one that does not turn. Too many bad reviews on the spinning version.
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