closet bend

I'm replacing the toilet flange and bend in a floor framed with 2x8s. The existing horizontal pipe that connects to the stack is 3" diameter. In the area where I live, the only option for a suitable closet bend that will fit in the joist cavity is a 3" x 4" hub X hub closet bend, which seems...

Hi all, I'm installing a WC waste stub under concrete slab and run in to a possible issue installing the closet bend. The primary waste line is about 1.5' deep, so I added a section of 4" abs using a coupler at the closet bend. However, in order to achieve 1/4" slope at the first (short)...

We're remodeling an old, old bathroom. The closet drains to the stack with a cast iron 4" elbow, with a 1 1/4" heel inlet for the bathroom lav and tub drain?!? There haven't been any drainage issues (probably b/c water pressure is so low). But since we have it open we want to increase the...

Hi all, I'm trying to install a toilet and have purchased a closet bend that is 4"-3" and a flange that is 3"-4" the flange does not fit snug into the bend and I'm at a loss as to why these parts don't fit together- I followed the specification from my plumbing book. Does anyone know why these...

So the two typical ways to plumb under a toilet to a 3" drain pipe is: A: 4" vertical pipe to 4x3 closet bend (restriction in theory from 4" to 3", but gives more space in flange opening) B: 3" vertical pipe to 3" long sweep elbow (less space in flange opening, but no restriction afterwards)...

I'm working on an upstairs toilet in an old house that originally had a lead closet bend. A plumber replaced the lead bend with a 4" cast iron pipe, cutting the vertical part shorter because there was tight clearance below the floor to a notch in a joist. They installed an outside clamping cast...