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Old 04-13-2007, 02:38 PM   #1
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Need drain idea

I'm hooking up the drain valves for the black and grey tanks. The black tank used the 3" valve and goes straight down. The grey used a 1.5" valve and ties into the side of the drain assembly I purchased.

There is a hole in the frame rail that was origianlly there and I am going to reuse it to get the grey line over the the drain assembly. I was hoping to have enough room to have a 90 bring the grey up and around to the side where I could tie in a standard 1.5" valterra valve. However, there is not enough room between the frame and the drain assembly to get a 90 in there.



My second option is to rotate the assembly so the grey line runs right into the side of the drain assembly. However, if I do this I'd have to use a remote 1.5" valve that uses one of those 72" cables to get the drain pull to the side of the trailer. And they are 6x the cost of a standard valve .



I was at Home Depot and I asked the plumbing kid... if there was some flexible hose that you could get ends for that would tie into the standard plumbing and he said no. So that was my last idea.

Right now, I'll be looking for a remote valve unless you guys have some ideas.
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Old 04-13-2007, 02:50 PM   #2
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Tim, our setup is virtually identical to yours. The Tee is 2", with a 2" elbow below, and a 2"-3" adapter to the slinky fitting. Here is a photo of what I did:
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Old 04-13-2007, 03:32 PM   #3
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Thanks Terry,

Its hard to see where your vavles are.
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Old 04-13-2007, 03:44 PM   #4
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The valve is mounted directly on the bottom of the black tank, and the actuator rod extends through the original hole in the body. I drilled a hole through the rod on the valve so I could use the OEM rod extension. The pipes for the kitchen sink go into the black tank, and the grey pipe from the bathroom sink and tub are what you can see going through the frame. I used a 2" valve, since the hole in the tank is 2".
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Old 04-13-2007, 03:54 PM   #5
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So your black tank valve setup is the same as mine.

How is your grey tank valve orientated and how is the handle getting out to the side?
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Old 04-13-2007, 04:30 PM   #6
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we don't have no steenkin' grey tank...

Quote:
Originally Posted by Safari Tim
So your black tank valve setup is the same as mine.

How is your grey tank valve orientated and how is the handle getting out to the side?
Ours had no grey tank in it. Grey water from the bath area goes into a blue tote. The black tank handle goes just under the formed aluminum rub rail at the bottom of the shell.
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Old 04-13-2007, 09:44 PM   #7
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i've yet to see a lowes/hd person who has a clue about rv,s period,if they did they could make a lot better $ working as a rv tec. you should check with a local r/v dlr. as adapter flanges for valterra type valves are available in both slip & street fittings the slip will fit into your existing socket addingappx 1/4" cut back pipe so that street flangwill lay against crossmember(i've done this job befor. cut pipe on other side of x mem. assemble all stick through hole and connect with 1.5" rubber connector,avail. at most any hardware store. the flanges will have to come from an rv supplier of some sort. if this is notclear enough e me and i'll e u bak with my # and when we can i'll walk you through it .
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Old 04-13-2007, 09:54 PM   #8
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This may end up being a double post as my system burped while sending the original message.

I ran a 90 degree elbow right from my tank through the floor, then another to aim it out to the area right behind the wheel well. It would look like you could do this also but you would only need one elbow - your drain bieng on the bottom where mine was on the end of my tank. I tee'd in the 1-1/2 grey waste to a combined double dump valve, all tucked up behind the wheel well. I can drain both tanks and flush the system out without having to access anything in the trailer. I do not have the belly pan on at this time but that won't affect this in any way. The axle protects the drain lines just fine.

Barry
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Old 04-13-2007, 09:55 PM   #9
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tim just re membered something!! if you'd like to try the fit i have a whole box of electric gate valves (cruise amer. has been having them pulled off and replaced with stock valves as renters don't seem to be able to operate them.all that is needed is r/p 12vdc switch and ness. wire you can have the valve just pay freight. I just can't make myself throw them away but have no use for them bill
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Old 04-13-2007, 10:45 PM   #10
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This is what I was thinking about.



The valve could be located in the middle of the belly inline with the 1.5" pipe going directly to the drain assembly.

Then the actuating cable can be routed next to the black dump valve handle. From the outside, you'd never know.
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Old 04-14-2007, 07:52 AM   #11
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You want to have 3 valves? Or is this one for the grey tank only?
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Old 04-14-2007, 11:39 AM   #12
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No grey valve yet. The whole point of this thread was asking how to tie it in since the grey drain line is on the opposite side of the frame rail from the drain assembly.
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Old 04-15-2007, 03:04 PM   #13
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Quote:
Originally Posted by Safari Tim
No grey valve yet. The whole point of this thread was asking how to tie it in since the grey drain line is on the opposite side of the frame rail from the drain assembly.
Why not use a couple of elbows and run the grey water around the black outlet? That is how our Argosy grey tank was retrofitted, two separate outlets next to each other. PVC is cheap.
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Old 04-20-2007, 10:53 PM   #14
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If there's anyway to tie your two together, that being as noted above elbows and PVC, having the grey waste line feed into the black waste just above the valve allows for one hose hook up and you use the grey waste to flush out the majority of gunk from the black waste. In the past I've had trailers with two separate hose hook ups and it was a pain, double th chance for a mess, and slow to do. Or maybe I'm not understanding what you are suggesting your solution will be?

Barry
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