3/4' poly into 3" DWV PVC

[Jsncrso]

Hi all,

I'm installing a macerating toilet in a detached outdoor workshop. The discharge of this toilet is 3/4". I plan on running poly pipe from the toilet and into to the 3" PVC pipe that leads into my septic tank. What is the best way to accomplish this without a ridiculous number of bushings and adapters?

 

[hj]

Nomally, there is no way to go from 3" down to 3/4" without a bunch of reducers, but since you did not state HOW you are connecting to the 3" we cannot tell you the easiest way to do it.

 

[Sponsor]

 

[Jsncrso]

Nomally, there is no way to go from 3" down to 3/4" without a bunch of reducers, but since you did not state HOW you are connecting to the 3" we cannot tell you the easiest way to do it.

That's essentially the question I'm asking. The 3" PVC is 18" below grade and the 3/4" poly pipe will be about 6" below grade. I'll do it however way works best which is why I'm asking you guys.

I know they make those T fittings that snap over smaller diameter pipe and you drill out the outlet so I wasn't sure if they made something like this for larger pipe.

 

[Cacher_Chick]

I would be cutting a 3x3x1-1/2" wye into the main line and reducing from there.
Given the choice i would not use poly, but then again I would not install a macerating toilet either.

 

[Jsncrso]

I would be cutting a 3x3x1-1/2" wye into the main line and reducing from there.
Given the choice i would not use poly, but then again I would not install a macerating toilet either.

I wouldn't either except for the fact I have less than a foot of drop over 75' and a sump pump basin would be subject to rainwater intrusion. Thanks for the tip, that does sound more doable.

 

[FullySprinklered]

If you were in Barrow County you would most likely drill a hole in the 3" with a spade bit, stick the poly into the hole, and dump a 60# bag of Quick-crete on it and cover it up. I'm not at all suggesting that you do this. I plumbed a shirt-load of houses over there and I've seen a bunch of interesting stuff.