Plumbing black/grey water - Fiberglass RV


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Old 10-06-2012, 03:26 PM   #1
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Plumbing black/grey water

I have a 1984 Scamp 19' 5er. My grey and black water have seperate very inconvenient exit points that require unhooking the sewer line and reconnecting when I want to dump one or the other. I have made up my mind to run them into a Y with seperate shut offs but only one access point. Has anyone here already done this and be willing to share any hints? Do the newer models still have this inconvenience? I have seen Y'd sewer hoses but it doesn't look all that difficult to make a permanent fix.
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Old 10-06-2012, 06:30 PM   #2
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thats the way my trillium was set-up, you can buy a single outlet valve with an 1-1/2 and a 4 inch connection which is what I did with mine
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Old 10-06-2012, 06:38 PM   #3
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I have a line on a couple of different valves and it doesn't look all that difficult to fix. I suppose I'm wondering why they would have done this in the first place; is there something I haven't thought out? It doesn't make sense having to disconnect and reconnect.
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Old 10-06-2012, 07:31 PM   #4
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I wonder if it was because draining grey on the ground used to be somewhat accepted in the olden days where it is not now?

Anyway most newer rigs use a combined outlet with 2 gate valves,one for each tank.
So I can't imagine a problem mod-ding one into that?
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Old 10-06-2012, 08:26 PM   #5
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Well, this I have to see. I don't know how you're going to run the line for the gray water to the front to match up with the black water, without running it under the axle. Or in reverse.

I've spent a long time under my trailer trying to figure a way, what I worry about is the plumbing hanging down too low..... good luck... because if you get this figured out, I'm going to follow!
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Old 10-06-2012, 08:35 PM   #6
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Donna I looked online and they have sewer hoses that Y into one. If all else fails I'll def go that way. I have looked at it though and it didn't strike me as impossible. I'll definately look at it further and let you know how it turns out.
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Old 10-06-2012, 08:47 PM   #7
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Yeah, there's a couple of ways to run two hoses. There's this: Camco 39812 RhinoFLEX RV Wye : Amazon.com : Automotive and this: Sewer Hose Wye (for Sewer Hose Wye Sewer Hose Adapters) #898461 RV Camper Part

What most people do is use a terminator cap on the gray water valve and a garden hose: Termination Cap with Hose Connector - Valterra T1020-1 - Sewer Fittings & Adapters - Camping World that runs to the sewer bayonnet connector.
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Old 10-06-2012, 08:56 PM   #8
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At least there are options if all else fails. If it is too low I may even make a "manifold" that can be installed temp while camping and taken off while driving. Just have to look at the best option but clearly having two seperate exit points isn't the best.
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Old 10-06-2012, 10:06 PM   #9
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Quote:
Originally Posted by Donna D. View Post
What most people do is use a terminator cap on the gray water valve and a garden hose: Termination Cap with Hose Connector - Valterra T1020-1 - Sewer Fittings & Adapters - Camping World that runs to the sewer bayonet connector.
Is this what you mean Donna?
E-Z Coupler Kit - Valterra DO4-0106 - Sewer Hoses - Camping World
The coupler elbow that makes the last turn into the campground sewer has a blanked "garden hose" fitting. Just punch out the the middle of the garden hose threads, add a "garden hose female adapter" then you can make the connection with the items Donna listed to connect the separate Gray water outlet at the same time to the same sewer.

RV Products & Accessories
  1. Click on "RV Product Videos".
  2. Then click on "Original EZ Coupler Thread-On Fitting".
  3. Fast forward to the final third of the video by clicking & dragging the time slider at the bottom of the video player to align with the end of the last "A" in the word "Valterra" printed on the tablecloth.
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Old 10-06-2012, 10:13 PM   #10
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Quote:
Originally Posted by Ed Harris View Post
I wonder if it was because draining grey on the ground used to be somewhat accepted in the olden days where it is not now?
I think it's because the black tank is so far away from the gray tank, and Scamps normally have too low a ground clearance for permanent exposed plumbing.
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Old 10-06-2012, 11:13 PM   #11
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Do the later model Scamps still have seperate grey and black water outlets?
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Old 10-07-2012, 06:38 AM   #12
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Originally Posted by Steve Hammel View Post
Do the later model Scamps still have seperate grey and black water outlets?
Nothing has changed the way Scamp manufactures for YEARS.
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Old 10-07-2012, 10:13 AM   #13
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Hello Donna, what are you thinking when you say, trying to figure out how to do it?
I have a Rule 97a pump to move shower and or drain water if you need one.
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Old 10-07-2012, 10:46 AM   #14
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Not looking to move the water to the tanks, looking to move from TWO valves to one. But thanks!
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