Jayco RV Owners Forum

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Old 06-14-2016, 07:00 AM   #11
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Mine works fine also but I do a little more than just hooking up and flushing. I will do the normal flush for about 5 minutes. Then I close the black tank and fill it with water. Just be careful and have a spotter so not to overflow the tank as well as checking your panel to check it's capacity. Once filled, I open the valve and let it flush again. If possible, it's beneficial to take a little drive to slosh the water around but not necessary. You'd be surprised how much more "black waste" comes out. If you feel you need to, you can repeat this process. I know everyone has their own system but this is mine and it seems to work pretty well.

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Old 06-14-2016, 07:13 AM   #12
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I had the same problem with mine. Saw that the hose leading to the sprayer was a little long and had a crease in it, so I disassembled the hose and cut it back some to take the crease out. All is good now.

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Old 06-20-2016, 07:19 AM   #13
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I see some good suggestions in this thread.
  1. Check the screen on the intake fitting.
  2. Check for hose kinks. (BTW, don't use your fresh water hose for this, just in case...)
  3. DO NOT use your water pressure regulator. I always hook up my fresh water using a 2-way splitter valve, with the regulator on one side for the fresh water hose to the TT, and my "flush" hose on the other side so I can use full campground pressure.
  4. On my 2016 Jay Feather I hear the wonderful sound of water spraying forcefully into the black tank, and see the flow of "gunk" coming out the sewer hose as it gradually turns clear. I think it works great.
And now my own addition to this thread:
  • Note that there's a vacuum valve inside the TT fitting that - according to my dealer's service dept. - apparently goes bad a lot. Mine does leak a little inside the bathroom vanity, and it's going in for service next week to replace it, among other things. If this valve is bad it could be affecting your black tank flush system, I suppose.


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