How do I add a drain to an existing plumbing?

The most common way to connect a new drain, vent, or supply line to an existing line is to install a tee fitting. To do so, shut off water to existing supply pipes and drain the lines. Flush all toilets and caution others not to use drains.

How do you tie an existing toilet drain?





Hook-up

  1. Prime and add pipe cement to a PVC assembly; just add cement for an ABS assembly. Twist the assembly into place on the drain ends. …
  2. Cut with a hacksaw sections of PVC or ABS pipe to connect from the “Y” to the toilet drain. …
  3. Pour water down the toilet drain to test for leaks.


How do you tap into a drain pipe?


Quote from Youtube video: For this job we'll be using a battery-powered saw our glue and primer and a marker so if you're wanting to tie in with a tea to your pipes. You'll take the tea. Place it over the pipe.

How do you hook up a shower drain to an existing drain?

Locate the existing drain, and determine the spot where you want to connect the new shower drain. If you’re attaching to a horizontally run pipe, you will use a wye-type fitting to connect to it. If you are cutting into a vertically run drain, like in a wall, use a sanitary tee-type fitting.

Can a toilet and sink share the same drain?





Yes, the sink can tie into the same drain. Be sure to use a trap! Personally, I would make the sink connection to the drain as close as possible to the vertical.

Can a washer and sink share a drain?

If you’re joining a washing machine and kitchen sink on the same drain, you may be able to vent them both with a single vent if they are close enough together. If not, you can connect their separate vents before they tie into the main vent stack.

Can you connect two toilets one drain?

Most houses have more than one toilet, and if they are on the same side of the house, their waste lines can usually tie into the same stack. If they are on opposite sides, however, each may need its own stack.

Can I use existing toilet drain for a shower?

If you are remodeling your bathroom and find that the shower will be installed over the location of the previous toilet, you can simply change the toilet drain to a shower drain.

How do you add a bathroom to an existing bathroom?



The easiest way to add a bathroom is to tie it into the existing plumbing, so if you can site the bathroom on the opposite side of an existing bathroom wall where the pipes can meet each other, your plumbing costs will be reduced for the new bathroom.

Can a shower drain be connected to a sink drain?

Is It Possible to Have the Same Drain for the Shower and Sink? Yes, the drain for the shower and the sink can be the same. The shower and sink can use the same drain pipe if it is well below the sink and shower level.

Where should the drain be placed in a shower?

The drain in a shower should ideally be the lowest point of the shower floor. A correct shower floor generally has a slope to it instead of a level surface. So, the positioning of the drain is such that water from all directions slopes down to the drain.

Does a shower drain need a trap?



Yes, shower and tub drains require a trap in the plumbing to prevent harmful sewer gases from coming into the home.

Can you use a 1.5 drain for a shower?

Current plumbing codes (IPC as well as MA Plumbing Code 248 CMR 10 for instance) need 1.5 inches to drain for a tub with a shower. The tub can drain at leisure and the shower function when in utilize, with flow-limiting showerheads, fall within the flow rate that a 1.5” drain can handle.

Why does a shower require a 2 inch drain?

A 2-inch pipe is the recommended size because showers have a low threshold for flooding, and a 2-inch pipe helps the water drain faster than does a 1 1/2-inch pipe. So, if you are converting from a tub and shower combination to a shower, you’ll likely have to change the drain pipe size.

How far can a trap be from a shower drain?

The maximum distance between the shower drain and the P-trap is 5 feet. However, the P-trap should be as close to the shower drain inlet as possible. You should even have the P-trap directly under the shower drain for the best results.

Can a toilet and shower share a vent?



So yes the shower can also be vented by the wet vent along with the toilet. There is one major stipulation when wet venting multiple fixtures when a toilet is one of them: the toilet must be the last fixture connected to the wet vent.

Does every drain need a vent?

Without getting too far into building science, a general plumbing rule of thumb is that every drain needs a trap, and every trap needs a vent. All those traps and drains are designed to prevent sewer gas from entering your home.

Why does my shower drain stink?

Smells in a shower drain can be caused by odor-causing bacteria that feed on debris in the pipe. Some of these anaerobic bacteria live in fetid water in the P-trap and produce hydrogen sulfide gas, which smells like sewage. Other odors can also be caused by the debris itself, like hair or soap scum build-up.

Why does my shower smell like pee?

If you have a shower door, you may also have some mildew buildup on its track. In addition, as gross as it might sound, surveys have shown that around 70% of all people pee in the shower. That urine can become trapped if not cleaned away properly, causing an ammonia smell to build.

How do you dissolve hair in a shower drain?



Combining baking soda and vinegar is a natural way to dissolve hair clogs, without resorting to harsh chemicals. Pour a cup of baking soda down the clogged drain first, and then after a few minutes add a cup of vinegar.