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Old 09-14-2020, 08:45 PM   #1
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One more VacuFlush issue

I have a vacuflush push button flush model 4806. It works great, holds pressure, no leaks, no problems for nearly 10 years. However, when I add water to the bowl and close the lid, flushing will almost always cause a backsplash of the bowl water. The inside of the lid is wet. If I happen to leave the lid open, the water splashes out onto the walls and floor. It seems like there may be too much pressure. Any ideas as to what causes this and how to remedy it? Again, it only happens when I add water to the bowl. Thanks
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Old 09-15-2020, 02:43 PM   #2
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So don't add water to the bowl.
Mine does that too. Try slowing down the peddle push.
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Old 09-15-2020, 07:37 PM   #3
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I agree with Mike66, my two VF toilets only do that if very full and you push the pedal really fast.
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Old 09-15-2020, 07:51 PM   #4
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How would you suggest he "slow down" pushing a flush button (Re-read his post)?


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Old 09-15-2020, 08:09 PM   #5
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Yes, itís an electric, push button flush. I am wondering if there is an adjustment to prevent the splash.
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Old 09-16-2020, 12:34 PM   #6
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Okay, back to plan A. Don't add water. Or buy more paper towels.
Sorry, don't have much to add unless there is a way to adjust or change the vacuum switch to decrease the pull.
If it is an off the shelf switch, perhaps you can source one with a lower cut off point.
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Old 09-16-2020, 12:51 PM   #7
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https://newcontent.westmarine.com/co...804459_LRG.jpg
It looks like the switch is adjustable by the wheel.
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Old 09-16-2020, 03:25 PM   #8
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These are set at the factory. Demetic suggests not to adjust it.
Quote:
Originally Posted by mike66 View Post
https://newcontent.westmarine.com/co...804459_LRG.jpg
It looks like the switch is adjustable by the wheel.
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Old 09-16-2020, 04:18 PM   #9
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my vacuflush can be a little splashy that way. I have about a 6 foot run of 1 1/2 inch hose to the vacuum generator to the head.

I am wondering if longer lengths of hose adding additional vacuum storage may increase the splashing issue? Just a thought.
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Old 09-16-2020, 08:11 PM   #10
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Quote:
Originally Posted by drb1025 View Post
Yes, itís an electric, push button flush. I am wondering if there is an adjustment to prevent the splash.
Put the lid down.
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Old 09-17-2020, 08:38 PM   #11
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Apparently nobody has a solution here. Iím going to contact Marine Sanitation and will post if they have any good ideas.
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Old 09-17-2020, 09:58 PM   #12
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Quote:
Originally Posted by mike66 View Post
https://newcontent.westmarine.com/co...804459_LRG.jpg
It looks like the switch is adjustable by the wheel.
Tried that for another reason once. Cost? A new vac switch. Don't do it.
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Old 09-21-2020, 03:05 PM   #13
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Curious. What happened?
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