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Old 08-11-2015, 03:19 AM   #1
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2003 - 3100SS Black Water filling up behind dump cap

Hey everyone we just purchased a 2003 Sunseeker 3100SS LE and I have an interesting issue. My RV has 3 valves to release the Black, Grey, and Galley tanks. The two on the drives side I assumed were (from front to back) were Black, Grey, and on the passenger side Galley but that doesn't seem to be the case. When I have both the valves on the driver side shut and the cap on the dump hose connector blue water builds up behind the cap. I did this to try and figure out what the valve on the passenger side was. Logic says that its the galley valve because the show and sink are on that side of my RV and the bathroom is on the driver side. Can someone please help me out and tell me what each valve is so I can quit banging my head against the wall. When I pull the release on for the two valves on the driver side after all of the blue water comes out there is more water released / gushing sound through my hose. So either the black water is leaking out in large amounts or the valve is on the passenger side. What gives?
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Old 08-11-2015, 07:12 AM   #2
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Mine is drivers side black front-grey back-galley on camping side. I usually when hooked up pull the galley handle and leave it open, then empty black and grey when needed. Hope this helps you out Also welcome to the forum
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Old 08-12-2015, 05:05 PM   #3
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Thanks! Yup that's what I figured was the configuration because the front driver side was a bigger pipe whereas the driver back was a slimmer pipe. Does the Galley dump through the same piping as the grey (i.e. wrap around connecting past the grey tank into the grey tank piping)? When I looked under neither it appeared that there were only two pipes feeding into the dump hook up. I'm still confused why when the galley valve is left open I get blue water building up behind my dump cap. What year is your Sunseeker Jerry?
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Old 08-12-2015, 06:47 PM   #4
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Gelley tank?

I don't mean to appears stupid....but what the H is the galley tank? And what goes into it? As far as I thought, you had grey water, black water and the fresh water.
???
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Old 08-12-2015, 10:18 PM   #5
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Do you have one place for sewer hose to hook to or two? I had a couple of coaches that had three tanks but one was for wash machine you have two gray water and one black but they drain the same place with three valves is this correct
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Old 08-12-2015, 11:39 PM   #6
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There is only one sewer hose hookup on the driver side. Jim the Sunseeker 3100 comes with 3 tanks + a fresh water tank. They Galley tank is for the kitchen The grey water is the sink in the bathroom / shower and the black is black (at least that's my understanding but I'm still learning obviously). I'm not sure why they built a separate tank for the Galley but they did. I'm still dumb struck why when I leave the galley valve open blue water fills in behind my sewer connection.Like I said it appeared to me that the galley drained through the grey water so I could leave the galley open and just open the valves on the driver side when I wanted to dump but thats not the case. How do you guys track down mysterious overflows. The blackwater tank doesn't have an overflow that will flow into the dumb piping right?
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Old 08-13-2015, 01:27 PM   #7
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Lupo

The water system you are asking about has three separate tanks. Consequently if you leave the Galley tank open it will flow into the discharge network. Your other grey tanks has its own separate discharhe valve.

Hope this helps
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Old 08-13-2015, 01:37 PM   #8
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All mine on driver's side the two inside the compartment black dumps stool grey dumps shower, kitchen, and bathroom sink. There is another grey valve between the compartment and rear bumper that empties the outside kitchen.
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Old 08-13-2015, 07:47 PM   #9
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Sorry Lupo ,I was out of pocket a couple days. Mine is 2007
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Old 08-14-2015, 10:21 AM   #10
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Quote:
Originally Posted by Lupo View Post
Hey everyone we just purchased a 2003 Sunseeker 3100SS LE and I have an interesting issue. My RV has 3 valves to release the Black, Grey, and Galley tanks. The two on the drives side I assumed were (from front to back) were Black, Grey, and on the passenger side Galley but that doesn't seem to be the case. When I have both the valves on the driver side shut and the cap on the dump hose connector blue water builds up behind the cap. I did this to try and figure out what the valve on the passenger side was. Logic says that its the galley valve because the show and sink are on that side of my RV and the bathroom is on the driver side. Can someone please help me out and tell me what each valve is so I can quit banging my head against the wall. When I pull the release on for the two valves on the driver side after all of the blue water comes out there is more water released / gushing sound through my hose. So either the black water is leaking out in large amounts or the valve is on the passenger side. What gives?
Different trailers, different designs. Will try to keep this general and hope it helps. You do have 3 separate tanks, 2 grey and one black. One grey is for the gallery, kitchen sink only. The other grey is the bathroom sink and shower. The black is your toilet only. Normally you have separate valves for each but the black and grey go into the same dump hose. Often the gallery has its own dump hose connection.

You want to get a clear hose connection and hook it up to the black / grey hose connection Using this clear fitting will allow you to see what is going on.

The black and grey go out the same dump hose connection but each has its own valve. When the black tank shows 2/3 full you empty it by opening its valve. After it is empty you then empty the grey tank. This will clean your hose for you. I always empty the gallery last for the same reason, to keep the hose clean.

If you are getting water behind the dump cap after you are done and you are sure the valves are closed tight? This normally caused by toilet paper being stuck on the valve allowing it to leak by. Do you have a black tank clen out? If not take an old garden hose and fish it up your dump connection to close to the black water tank valve and try to clean off the valve so it will close properly. This should allow the valve to close tight unless the valve is broken.

Jim
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