Where are sanitary tees used?

A sanitary tee should be used when connecting a horizontal run, such as a waste arm to a vent stack or vertical riser.

What's the difference between a sanitary tee and a regular tee?

A sanitary tee is a plumbing fixture that allows liquids to drain while also allowing the plumbing system to vent. The fitting resembles a normal tee fitting; the sanitary tee, however, when viewed from the side will have a definite downward sweep to the center inlet.

Can I use a sanitary tee for sink?

A 45-degree wye fitting, double combo, combination wye and one-eighth bend branches, or other approved equivalent configuration is also correct. Although a horizontal-to-vertical use of a sanitary tee under a kitchen sink (as shown below) is a less likely to cause a drain problem, it is also not a rated application.

Can you use a sanitary tee for a toilet drain?

Answer: You can use your tee for a toilet but in certain cases. You have to make sure all the toilets are vented and the tee is used to vent. Otherwise, it will cause the water to flow on the opposite side.

What are tees used for in plumbing?

A pipe tee is a type of fitting or connector used to join two or more plumbing pipes. These fittings join the two pipes or tubes at a 90-degree angle, and get their name from their T-shaped appearance.

Whats the Difference in a PVC Wye and Tee?

Can you use sanitary T for vent?

Use a sanitary tee to connect a horizontal trap arm to a vertical drain and vent. The sweep on the santee must face down so that it sweeps toward the drain. Glue the tee inlet to the trap arm with plastic pipe cement, and glue the drain and vent to the two vertical barrels.

Can you use a sanitary tee on its back for venting?

Sanitary tee can be on its back for dry vent, but the vent has to be a vertical dry vent.

Can you use a sanitary tee on a wet vent?

Every trap needs a vent, most are dry (see UPC 908.4 where wet venting allowed) to roof originating from fixture trap arm – see below where you can combine vents – also grading of combination vents. Sanitary tees may only be used on drainage piping when transitioning from horizontal (1/4” per foot) to vertical.

Where is a Wye or sanitary tee used?

A sanitary tee should be used when connecting a horizontal run, such as a waste arm to a vent stack or vertical riser. “If you think it's expensive to hire a professional to do the job, wait until you hire an amateur.”

Can a sanitary tee be horizontal?

Sanitary tee is used for horizontal to vertical transition, and Wye is used for combining 2 lines into one horizontal line to maintain a flow without causing clogging. Both of these fittings have different usage and can not be switched.

What is a double sanitary tee used for?

Double Sanitary Tee (Sanitary Cross) - Similar to a cross. This fitting differs from a supply cross fitting in that two of the ports have curved inlets. The fitting has been used in the past for connecting the drains of back-to-back fixtures (such as back-to-back bathroom sinks).

Why is there a tee in a septic tank?

Elaborating: a "tee" or baffle system keeps floating solids from passing out of an opening, allowing just effluent to pass. That's why conventional septic tanks use a tee or baffle at both inlet and outlet ends of the tank - to keep from clogging piping at inlet or drainfield at outlet.

Do plumbing vents need to be sloped?

Vent pipes, often narrower than drainpipes, need not slope like drainpipes. Normally they run level or plumb unless there is an obstacle to work around.

Can you use a wye for drain?

Connecting a trap to a vertical drain with a wye fitting and a 45-degree elbow seems like a good idea. But it's not. As water drains down the steep slope at the wye, it can create a siphon effect such that water will be sucked out of the trap. And the empty trap will allow sewer gas to flow into your home.

What is the difference between a wye and a tee Wye?

With a wye, the branch opening will not be perpendicular to the other openings. The branch opening of a sanitary tee is perpendicular, similar to a regular tee. However, with a sanitary tee the branch will have a sweep into the main body, rather than intersecting it perpendicularly.

Where can I use double wye fitting?

A double-wye fitting may be used in horizontal drain lines. The use of 1/8th bend elbows at the outlets of the double-wye fitting to form a double-combination pattern is acceptable. The minimum slope of the barrel of the fitting shall be "/-inch per foot.

Can a toilet and shower share the same drain?

The general answer is that the showers and toilets can use the same drain, but they should not be sharing the same waste trap arm. There are other factors to consider as well, such as whether your drains lead to the main sewer line, or if there are septic tanks that are used in your city or town.

Can a toilet and sink share the same drain?

Run the lower sink drainpipe, adding elbows or collar connections as needed to reach the 3-inch drainpipe that runs from the toilet. The configuration depends upon your bathroom layout and the direction of the floor joists, but connect the sink drain to the toilet drain within 6 feet of the toilet, if possible.

Can sink and toilet Share vent?

Wet venting is most common in conjunction with toilets and sinks; the drain for the sink is also the vent for the toilet. It can also be used for a variety of other applications but due to the following rules this is the most convenient and common situation to run into.

Can you lay a Wye on its side?

Yes, it is/has been done often. If you can, I personally prefer to put the wye so that the offshoot is angled slightly down into the main run to create a natural direction for flow. The only thing I'd caution you on, if your code is picky about it, calculate your DFUs to make sure it is acceptable.

Can you lay a combo on its side?

The rule of thumb is you cannot lay a sanitary tee on its side or back and you cannot install a combo in the vertical position. Must be a sanitary tee. You can connect a toilet to a combo, just not in the vertical position. I am a 20 year licensed plumber in Texas.