drxlcarfreak
New Member
First post, great site by the way. I have been able to do the vast majority of my plumbing projects on my new house by searching through old posts on here! This one question I haven't been able to find anywhere though.
I am trying to tie in a sewage ejector pump I just installed into my main stack before it leaves the house. When the plumber roughed everything in for me, he had left me a 2" connection point on the left side of the main stack that I could cut the cap off of and tie it into, but since then my ejector pump location changed due to me finding a subslab drain pipe in the way of the pit. I can still get the piping to it, but it would add about 4 elbows and about an extra 5' of pipe before it hits the stack, which doesn't seem like something I want to do with pressurized waste. It is a straight shot that I can tuck in between the joists if I run it on the right side of the stack and tie it in vertically.
The only problem is where it would drop down vertically is at a 45 degree portion of the stack that is picking up two kitchen sinks and would have the wye in an orientation that I can't seem to find someone else using without reworking the branch. The straight portion would be at a 45 degree slope and the wye would branch off vertically. The branch that I would cut the wye into is 3" so it would be a 3x3x2 wye if that matters.
I made a quick elevation drawing of the portion of the stack that I am talking about. Hopefully it helps clear up any confusion. It is basically a 4" main, a 4x3x3 wye for this branch running at 45 degrees until it gets above door header height and 45s and reduces to a 2" pipe to pick up the two sinks.
I don't think it relates at all, but since the plumber I had removed a cleanout to tie in a new 3" line on the other side, I planned to replace the 45 with a wye and put a cleanout on the 45 portion so I have a cleanout again that I hopefully never actually need to use.
I am trying to tie in a sewage ejector pump I just installed into my main stack before it leaves the house. When the plumber roughed everything in for me, he had left me a 2" connection point on the left side of the main stack that I could cut the cap off of and tie it into, but since then my ejector pump location changed due to me finding a subslab drain pipe in the way of the pit. I can still get the piping to it, but it would add about 4 elbows and about an extra 5' of pipe before it hits the stack, which doesn't seem like something I want to do with pressurized waste. It is a straight shot that I can tuck in between the joists if I run it on the right side of the stack and tie it in vertically.
The only problem is where it would drop down vertically is at a 45 degree portion of the stack that is picking up two kitchen sinks and would have the wye in an orientation that I can't seem to find someone else using without reworking the branch. The straight portion would be at a 45 degree slope and the wye would branch off vertically. The branch that I would cut the wye into is 3" so it would be a 3x3x2 wye if that matters.
I made a quick elevation drawing of the portion of the stack that I am talking about. Hopefully it helps clear up any confusion. It is basically a 4" main, a 4x3x3 wye for this branch running at 45 degrees until it gets above door header height and 45s and reduces to a 2" pipe to pick up the two sinks.
I don't think it relates at all, but since the plumber I had removed a cleanout to tie in a new 3" line on the other side, I planned to replace the 45 with a wye and put a cleanout on the 45 portion so I have a cleanout again that I hopefully never actually need to use.
