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Old 12-16-2016, 10:17 AM   #31
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Re: Relocating Kitchen Drain - Help


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I think I will be able to solder a piece of 1-1/4" pipe into the tee too. This will allow us to use a rubber coupler to convert into ABS.
If you are comfortable doing that, heat the 90, knock it off and then wipe the stub out clean of solder. May have to sand a little to get it smooth for the coupling.

Last edited by hkstroud; 12-16-2016 at 10:19 AM.
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Old 12-16-2016, 07:43 PM   #32
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Re: Relocating Kitchen Drain - Help


Proflex bands make a 1 1/4 inch copper to 1 1/2 inch plastic adapter.

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Old 12-18-2016, 03:57 PM   #33
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Re: Relocating Kitchen Drain - Help


I went out to the local home depot and picked up some 1-1/2" ABS pipe and parts and an adapter like the one Ghostmaker posted.

Good news:

There is no wood (other than strapping) under my window. I can easily run pipes under it.

Bad news:

My wall cannot accommodate the thickness of 1-1/2" ABS pipes and its fittings. I'll need to stick with 1-1/4" copper in the area where tiled backsplash will be going. If ABS needs to stick out of the wall behind my cabinets, so be it. Still better than having a long trap arm taking away from two cabinets.

Plan A: I'm going to call some local plumbing stores to see if they sell a few feet of 1-1/4" copper so I can go horizontal from the sanitee I turned, then run vertical copper and convert it to ABS on route to the drain.

Plan B: If the local store doesn't have any 1-1/4" copper or costs an astronomical price, Plan B is to reuse and cut a 6" piece of copper to the sanitee to move it near the first strapping. I will turn the pipe down and do the copper to ABS conversion there.
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Old 12-18-2016, 08:15 PM   #34
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Re: Relocating Kitchen Drain - Help


You can go 1-1/4 ABS for the vent down to the stub out for the drain. Just use rubber coupling to connect to copper. Below the stub out you really don't have to cover the pipe. A little tape and dry wall mud to seal. Wall will be covered by cabinets so 1-1/2 ABS should work there.
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Old 12-18-2016, 08:52 PM   #35
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Re: Relocating Kitchen Drain - Help


Unfortunately, I can't locate any 1-1/4" ABS at my local home depot in Toronto... thus the purchase of 1-1/2". Hmmm... I just found an ad on Kijiji regarding 1-1/4" copper. Seems like someone ripped out all their plumbing and converted to ABS. Let's hope it pans out.

Good call on the tape and mud. No one will notice anyways.
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Old 12-18-2016, 10:28 PM   #36
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Re: Relocating Kitchen Drain - Help


Why ABS? Why not PVC?

PM me.
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Old 12-18-2016, 10:32 PM   #37
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Re: Relocating Kitchen Drain - Help


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Originally Posted by zaius View Post
Unfortunately, I can't locate any 1-1/4" ABS at my local home depot in Toronto... thus the purchase of 1-1/2". Hmmm... I just found an ad on Kijiji regarding 1-1/4" copper. Seems like someone ripped out all their plumbing and converted to ABS. Let's hope it pans out.

Good call on the tape and mud. No one will notice anyways.
you won't find 1-1/4" ABS and I doubt you will find 1-1/4" DWV PVC fittings. To my knowledge, they don't exist...
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Old 12-18-2016, 10:54 PM   #38
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Re: Relocating Kitchen Drain - Help


1-1/4 PVC exist. Not that much use but it exist. Local Home Depot shows it in stock.

Toronto doesn't
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Old 12-19-2016, 04:49 AM   #39
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Re: Relocating Kitchen Drain - Help


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Originally Posted by hkstroud View Post
Why ABS? Why not PVC?

PM me.
It's ABS up here.
PVC in 3 and 4" only is more readily available to home owners.

I had to go to a trades supply for my underground PVC in order to get all the sizes.
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Old 12-19-2016, 11:06 AM   #40
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Re: Relocating Kitchen Drain - Help


Will the 1-1/2" copper fit in the wall?
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Old 12-19-2016, 11:24 AM   #41
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Re: Relocating Kitchen Drain - Help


Good news! I've located some 6' of 1-1/4" copper off Kijiji. Ha! I'm going to pick it up either tonight or tomorrow. I just better make sure the OD matches what I have. We're back on track
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Old 12-19-2016, 08:57 PM   #42
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Re: Relocating Kitchen Drain - Help


We're in business! 1-1/4" copper acquired from someone's shed off Kijiji. Woohoo!

Question: I purchased one of these sinks (30" sink with 10" depth)

Is it best to extend the trap arm from the side of the wall at an angle to maximize the trap arm length, or have the trap arm extend directly perpendicular out of the wall? Does it matter? The drain is kinda offset to the back of the sink too (not sure why they designed it that way).

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Old 12-21-2016, 01:14 AM   #43
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Re: Relocating Kitchen Drain - Help


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Is it best to extend the trap arm from the side of the wall at an angle to maximize the trap arm length, or have the trap arm extend directly perpendicular out of the wall? Does it matter? The drain is kinda offset to the back of the sink too (not sure why they designed it that way).
Not sure I understand.

You will stub out the drain tee then when cabinets are in place install a trap adapter.
You can install the trap adapter before the cabinet if you make the hole in the back of the cabinet large enough for adapter to pass through.

Make sure that your tee is low enough for that sink. If in doubt go lower. You can always use a longer tail pipe out of the sink but you can't make water flow up hill.

With a drain that close to the back of the sink you will need the drain stub out to be to one side of the sink drain. In other words it doesn't look like the trap will be able to be pointing directly toward the wall. It will have to be turned to one side (parallel to the wall) then the trap arm will turned to the wall. Suggest that you mark the wall where the center of the sink will be. Hold a trap up flat on the wall with center of input on the mark. Mark center of the output of trap as location of the drain tee.

Seeing as there is a lot of information about cabinet sizes and locations you don't have right now, I think I would have the input to the drain tee turned sideways in the wall. Put in a length of copper pipe. Then when you know where you want the drain to come out of the wall put on a 90 and come out of the wall.

Hope this is not confusing.
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Old 12-21-2016, 04:35 AM   #44
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Re: Relocating Kitchen Drain - Help


Hi hkstroud, I actually followed what you proposed last night.

I set up my cabinet and sink location to dimension off where the drain tee will be. I couldn't get around to cutting the copper since I didn't purchase the sanitee or P trap to actually location where I want to come out of the wall.

I will need to head to home depot tonight to buy a P trap kit. I will need to figure out what to buy.

I did end up removing more of the wall for an easier drywall installation.

My question is, should I try to move the sanitee out from the wall to try and accommodate the T connection to the main stack in the basement? I still need to somehow get around that vent pipe to connect into the main stack.
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Old 12-21-2016, 08:52 AM   #45
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Re: Relocating Kitchen Drain - Help


Will the 1-1/2 copper fit in the wall? I guess I was assuming that you would re-pipe the vent. Cut the drain in the basement just below the coupling. Move it to the new location put back together at its new location and new height going through the floor. Then converting to ABS, coming out at few inches, going through the joist, then turning back and connecting to the drain.

In the basement you could go below the joist, turn and go to the drain . Make finishing off the wall a little more difficult but could be done.
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