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Old 10-14-2008, 11:40 AM   #1
Junior Member
Join Date: May 2008
Location: Taylor, TX
Posts: 19
Santi flush question

Yesterday I was draining the black tank. it was drained and was going to flush with built in sani flush. I had not dumped the grey tank and it was full

So start flushing and as always it sounded like water was going everywhere. Well this time it was. it was coming out below the bathroom sink. I think through the overflow. shut it off soaked up what I could. Did not get that much wet. litte on the carpet step. I think it will dry our fine.

I do know some was going into the black tank. I could hear if starting to flow out the pipe.

My question is does anyone know if this happened because grey was full?

Does this flush both tanks?

Do you think my line is clogged on the black tank.

I wish I had a scematic of the plumbing on this or they would provide a hatch to see the tanks.


Don Wilcox,
07, Cherokee, 295 5thwheel
2006 duramax
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Old 10-14-2008, 11:49 AM   #2
Avid outdoorsman
Join Date: Sep 2008
Location: Logan Lake Canada BC
Posts: 29
I just had this problem on my trailer. If you look under the sink that is where the line for the sani flush probanly runs into a black fitting and back out to the tank . The fittings were loose on mine and water was everywhere . I had to tighten evrything up there and at the back of the hookup outside the trailer. I am almost willing to bet this is the problem you have . The grey water tank has nothing to do withit but you should always have the black tank drain open to relieve air pressure when you use the sani flush in case the vent is plugged .
2007 3500 Dodge quad cab 5.9
2007 Suzuki King Quad
2009 29FBSP Sandstorm Toyhauler
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