Enough of COVID...what are you doing to the house?

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daught said:
Thanks for the detailed explanation.

I should have clarified that I am switching to a single new sink. The pipe I placed between the two existing sinks shows the approximate location of the new garburator.

Below the island is a tenant suite, so I would much rather avoid putting the P-trap below the floor.

For a single-sink setup with the garburator in that mocked-up location, would you leave the garburator 90 as-is and offset the drain after the vent connection, like in the second picture, or would you extend the garburator discharge before the trap, like in the first picture?
Click to expand...
Simpler! Connect trap adapter to the 90 out of the garby, then a short piece of abs into your ptrap. Connect the horizontal arm of the ptrap to a to a tee, the AAV to the top of the tee, the drain to the bottom. .

The pic below shows the connections, you probably have a slightly different 90 out of the gsrburator - likely retained with a plate and sealed with a gasket.

You can swivel the garby, the swivel point in the ptrap and adjust the length of the horizontal trap arm to get a straight shot to the existing drain - no 45s should be required.

1781398530148.jpeg
 
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Mad Mike said:
Simpler! Connect trap adapter to the 90 out of the garby, then a short piece of abs into your ptrap. Connect the horizontal arm of the ptrap to a to a tee, the AAV to the top of the tee, the drain to the bottom. .

The pic below shows the connections, you probably have a slightly different 90 out of the gsrburator - likely retained with a plate and sealed with a gasket.

You can swivel the garby, the swivel point in the ptrap and adjust the length of the horizontal trap arm to get a straight shot to the existing drain - no 45s should be required.

View attachment 79056
Click to expand...

Yes, that is basically what I have.
The issue is that the joist with the main drain is much closer to the garburator. Even if I rotate the garburator away, and the P-trap back toward the main drain, once I include the required 3" after the p-trap before the AAV, the drop ends up past the main drain location.
That is why I need to either extend the garburator discharge pipe to take it back further, or add the offset in the vertical drop.
 
daught said:
Yes, that is basically what I have.
The issue is that the joist with the main drain is much closer to the garburator. Even if I rotate the garburator away, and the P-trap back toward the main drain, once I include the required 3" after the p-trap before the AAV, the drop ends up past the main drain location.
That is why I need to either extend the garburator discharge pipe to take it back further, or add the offset in the vertical drop.
Click to expand...
Take a look at the pic again. The aav goes on top of the tee. The trap arm can be longer than 3”, that’s the minimum. You should be able to hit anywhere with a straight shot rotating the garby and trap swivel point.

You might need 2x 45s to get the AAV up high beside or behind the sink.

You can also rotate the 90 out of the sink then add another 90 to turn it down after the trap adapter.
 
GreyGhost said:
Most cities prohibit them. Daught is on the west coast, no idea about rules there. In any case, there is zero enforcement. Most RE listings identify garburators. It would be trivial to mine listings and send compliance notices.
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For residential use in the GTA:

Toronto, Peel — Allowed
York Region, Halton — allowed but discouraged
Durham — prohibited

.
 
GreyGhost said:
Most cities prohibit them. Daught is on the west coast, no idea about rules there. In any case, there is zero enforcement. Most RE listings identify garburators. It would be trivial to mine listings and send compliance notices.
Click to expand...
Why are they not allowed?
 
Any recommendations on free software for home layouts?

Mapped out full cottage on paper but would like to transfer it to a 3D layout.
 
mimico_polak said:
Any recommendations on free software for home layouts?

Mapped out full cottage on paper but would like to transfer it to a 3D layout.
Click to expand...
I tried a bunch of options. What I wanted was the ability to keep adding to a line as I measured around the space. I ended up using FreeCAD. Steep learning curve, but totally worth it.

When I went to IKEA to order the kitchen, I could answer every measurement question. If I need to cut an access hole to reach something above, I can measure from a wall below and know where I am.

I had some FreeCAD experience from 3D printing, so I was not starting from zero. Blender can work too. This tutorial is good:

It is the geeky, harder way to do it, but the free online options all annoyed me.

Mad Mike said:
Take a look at the pic again. The aav goes on top of the tee. The trap arm can be longer than 3”, that’s the minimum. You should be able to hit anywhere with a straight shot rotating the garby and trap swivel point.

You might need 2x 45s to get the AAV up high beside or behind the sink.

You can also rotate the 90 out of the sink then add another 90 to turn it down after the trap adapter.
Click to expand...

All great points, thanks. That should work then.

I was worried I might run into swivel or angle limits, especially since IKEA does not show the exact drain location in the sink dimensions. I am working with a few guesstimates.

Yep I'm in Squamish. Garbs are pretty much in every home. They are great for getting rid of oil filters 😈
 
daught said:
I tried a bunch of options. What I wanted was the ability to keep adding to a line as I measured around the space. I ended up using FreeCAD. Steep learning curve, but totally worth it.

When I went to IKEA to order the kitchen, I could answer every measurement question. If I need to cut an access hole to reach something above, I can measure from a wall below and know where I am.

I had some FreeCAD experience from 3D printing, so I was not starting from zero. Blender can work too. This tutorial is good:

It is the geeky, harder way to do it, but the free online options all annoyed me.



All great points, thanks. That should work then.

I was worried I might run into swivel or angle limits, especially since IKEA does not show the exact drain location in the sink dimensions. I am working with a few guesstimates.

Yep I'm in Squamish. Garbs are pretty much in every home. They are great for getting rid of oil filters 😈
Click to expand...
Thanks!

Sadly my Surface Pro 3 isn't able to run Blender due to graphics card issues.

I've got SketchUp here on the laptop so will try that or other options.
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