Floor Sink Wye To Top Of Pipe

A second case to consider is where a vertical pipe serves both as a drain and a vent.

Floor sink wye to top of pipe.

Installing a sanitary tee instead of wye or long sweep for drainage connection or back to back fittings sinks not directional upc 701 2 3 upc 704 1 704 2 706 0 sanitary tees may only be used on drainage piping when transitioning from horizontal 1 4 per foot to vertical. Wyes are incorrect for this application. I am looking to put a laundry box and am hearing that 42 from floor but i m also hearing that 18 to 30 from p trap as well. The sink drain must maintain a minimum slope of 1 4 inch per foot from the stub out to the point where you tie it in.

It connects via a 3 length of 2 pipe a 1 5 2 adapter a 90 degree 1 5 bend and a 1 5 swivel abs adapter to the output of the hair trap. 2 install the fitting by cutting the main drain pipe with a hacksaw and solvent welding the fitting with plastic pipe cement. Cross fittings crosses have four openings for pipes one inlet and three outlets or three inlets and one outlet depending on the need. Obviously anything higher than the utility sink but not to high that the washing machine can t pump out the water.

Sanitary wyes allow wastewater to enter a drain pipe from the side while the second part of the y aligns with the pipe to allow sewer gases to vent upward. If you use a wye for the vertical for a trap arm when the trap is installed and if the pipe is properly pitched it puts the trap weir above the wye inlet which theoretically can cause the trap to siphon. Dual kitchen sink plumbing can be quite tricky and you h. But they had to add a 45 degree elbow to make the horizontal p trap connection.

Mixing up wyes tees and elbows. With a wye the fluid passing through the junction would. You can also drop the sink drain to a waste line on a lower floor. Knowing which drain fittings to use in each application is critical to avoiding code violations and really unpleasant smells.

In this picture a diyer has installed a wye to connect the p trap to the vertical drain. You run that 2 pipe toilet vent sloping upwards to the floor drain and put in a horizontal 2 2 2 wye for the 2 floor drain trap this seems like flat venting which is not allowed.