The first step is to plumb the sink drain:
- 1 Attach a female adapter onto the drain stub in the wall. This can typically be done by hand.
- 2 Attach some slip nuts onto the drain arm and the sink tailpiece and connect them into the drain stub. ...
- 3 Once these are all in place, then use a wrench to tighten the nuts.
- 4 Carefully check that everything is completely secured.
What are the best ways to unclog a sink?
Unclog a sink using hot water
- Fill a kettle with water and set it to boil.
- Pour a half cup of salt (I use regular table salt) down the drain. Let it sit for a few minutes.
- Once the water is boiling pour the water down the drain of your sink. ...
- Turn on the water and see if your drain is draining any faster.
How to plumb a waste pipe for a bathroom sink?
Part 2 Part 2 of 4: Installing the Trap on the Waste Line Download Article
- Screw the J-pipe onto the trap arm to make the P-trap. Hold the J-pipe so the openings point up and the shorter side is on the right side.
- Slide a slip nut and washer onto the trap arm so the threading faces out. ...
- Push the trap arm into the waste pipe so the J-pipe lines up with the drain. ...
How to plumb a kitchen sink with disposal and dishwasher?
The installation steps are:
- Clear the cupboard beneath your sink to make enough space for work.
- Next, switch off the circuit breaker to dispose of the unit’s wiring.
- Using a non-contact electric tester, make that electricity is not running through the cables for disposal.
How to repair a leak under the sink?
- Turn off the water supply line in the house.
- Drain the damaged line and ensure that the area to be patched is clean and dry so that the epoxy putty will properly adhere to the pipe.
- Tear off enough plumbing epoxy putty to fully cover the surface around the leak.
- Knead the putty until it is pliable enough for application.
- Apply the putty to the pipe.
How do you connect plumbing pipes under the sink?
1:184:49How to Plumb a Drain - Sink Drain Pipes - YouTubeYouTubeStart of suggested clipEnd of suggested clipNow at a washer making sure the taper is toward the end then fit into the marble connector looselyMoreNow at a washer making sure the taper is toward the end then fit into the marble connector loosely without tightening the nut. Next attach the p-trap to the trap arm loosely thread these connections.
How do I re plumb under my kitchen sink?
0:0023:29How to Install Plumbing for Underneath your Kitchen Sink step ...YouTubeStart of suggested clipEnd of suggested clipToday I'm going to show you guys how to install all the plumbing underneath your kitchen sink.MoreToday I'm going to show you guys how to install all the plumbing underneath your kitchen sink. Beginning with the basket strainer.
How much room do you need under a sink for plumbing?
When installing two basins, space them at least 36 inches away from each other, measuring from one center line to the next center line. This is the recommended minimum distance to allow users to use both sinks simultaneously if needed. The distance also provides adequate room for the plumbing below the sink.
How do you install plumbing for a sink?
Kitchen Sink Installation in 8 StepsMeasure and Mark the Kitchen Sink's Layout. ... Mark the Cut Lines onto the Counter. ... Cut a Sink Opening with a Jigsaw. ... Install Kitchen Faucet. ... Attach Strainer Over Plumber's Putty. ... Set The Sink and Connect Water Supply. ... Connect the Drain Pipes. ... Attach Dishwasher Drain and Tidy up.
How hard is it to reroute plumbing?
Relocating plumbing can be a time consuming and hard work. That's why you should only do it if you have prepared beforehand and if you have confidence in the professionals you chose to do the job. But take comfort in the fact that once it's done, you won't have to think about it for a long time.
What if new kitchen sink drain doesn't line up with existing pipes?
In general, if the P-trap doesn't line up with the drain, you can adjust the length and height of your drainpipes by cutting them or simply slipping them in and out of their fittings.
Does p-trap have to be directly below sink drain?
You attach the p-trap directly to the drainage and manuever the p-traps exits into you existing drain. It is not ideal to have the p-trap below the the exit drain because water gravity has to force the water out instead of it flowing downwards naturally. They both work and have seen it many times.
How high off the floor should a sink drain be?
The standard height of a kitchen sink drain from the floor is between 20 and 24 inches. This varies based on the vanity, sink, and trap.
How do you rough plumbing a bathroom sink?
32:2736:11How-To Rough-in Plumbing for Basement Bathroom and Bar (PEX ...YouTubeStart of suggested clipEnd of suggested clipEverything so your way I set your pecks line is a very flexible line it's not like copper. So it'sMoreEverything so your way I set your pecks line is a very flexible line it's not like copper. So it's important to use those talons. A back over here in the sewage ejector closet.
Can sink and toilet share drain?
If you cannot connect the sink drain to the toilet drain within 6 feet of the toilet, install a separate vent on the toilet drain line closer to the toilet. The farther the sink connection from the toilet, the more likely you are to experience clogs. The sink will still need a separate vent pipe.
Does a bathroom sink need a vent?
A vent is a necessary part of the drain system for any plumbing fixture. Its purpose is to equalize pressure in the pipes and prevent a vacuum from forming as the fixture drains.
How do I reroute my kitchen plumbing?
0:303:04How to re plumb bath or kitchen sink, re-route drain line. Easy ... - YouTubeYouTubeStart of suggested clipEnd of suggested clipWhat i have here is a trap adapter you can see that it it fits one side onto this pipe. And thenMoreWhat i have here is a trap adapter you can see that it it fits one side onto this pipe. And then inside it's got it fits the inch and a quarter thin wall for a bath sink.
How much does it cost to replace pipes under sink?
The cost to replace all of the plumbing under your kitchen sink is between $100 and $350 on average. However, costs will be higher if you are adding a disposal, need to have a special drain hookup for a dishwasher, or an additional faucet hookup.
How do you reroute a kitchen drain?
3:039:19Moving Kitchen Plumbing to a New Location - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe new kitchen layer right we're going to use the existing plumbing. Now if you're not moving yourMoreThe new kitchen layer right we're going to use the existing plumbing. Now if you're not moving your sink to a new location.
How do you reroute a drain pipe?
0:006:13Easy sink trap!. reroute bath drain, replace trap assembly. Easy!YouTubeStart of suggested clipEnd of suggested clipHello this is Dustin with home mender and today we're gonna be doing the dreaded sink cog. But we'reMoreHello this is Dustin with home mender and today we're gonna be doing the dreaded sink cog. But we're gonna do this one a little different I hate the way the drain is run so if you're having trouble
How much does it cost to plumb a kitchen sink?
Kitchen sinks will cost between $100-200 to plumb yourself, factoring in the cost of materials and tools. To get a professional in will cost an ext...
What pipes do I need for a kitchen sink plumbing? Can I use pex pipes?
For a kitchen sink, you will need a hot and cold supply, so two separate pipes. PEX pipes are made with modern plastics, which are easier to instal...
How do I remove kitchen sink plumbing?
To remove the kitchen sink plumbing, turn off the water, remove the water supply lines, loosen the nuts, and remove the drain and P-trap. Then you...
Does a kitchen sink need a vent?
Yes. Kitchen sinks need vents to equalize the pressure. Without them, the water won’t flow properly.
Which is easier to plumb, a new sink or a second-hand sink?
A new sink is generally easier to plumb because you know everything is working. A second hand sink may be damaged, which makes the plumbing a bit m...
Do I need Plumbers Putty for the bathroom sink drain?
Plumber’s Putty isn’t necessary for more bathroom sink drains but can be useful to secure the drain in place.
When should you not use Plumbers Putty?
Plumbers putty shouldn’t be used when you need a strong adhesive. It also isn’t watertight, so don't use it to create a seal.
Which is better for leaks: Teflon tape or plumbers putty?
Teflon tape will help stop a leaking pipe that’s under strain. Plumber's Putty will provide some water resistance but won’t withstand significant p...
Can a sink drain go straight down?
A sink drain can go straight down, but it isn’t recommended. The U-bend in the pipe is important because it allows the water to drain through your...
How does the size of a kitchen affect the size of a sink?
Kitchen Size. The size of your kitchen will directly impact the size of the sink you select. Larger sinks offer some advantages, but they’re generally more expensive. You’ll need to measure the space before you buy to make sure your kitchen sink and the plumbing can all be accommodated.
How high should a kitchen sink vent be?
Typically, your kitchen sink drain should be about 20 inches above the floor, but this is influenced by a few key factors: 1 P-Trap Location#N#You need to allow enough room so that your P-Trap is no more than 24 inches below the sink drain. You may need to raise your sink if this is an issue. 2 Vent Height#N#Vents allow air into your drains so they continue flowing as they should. Your vent should be 6 inches above the rim of your sink. 3 Pipe Connections#N#Your pipe connections should be below your sink and no more than 18 inches from the floor. 4 Type Of Sink#N#The type of sink you have will impact all your measurements. If it’s more compact, then you'll need to reduce your rough-in measurements and make it all a bit closer together. Larger sinks won’t have that same issue.
What is a kitchen sink made of?
Your kitchen sink is made up of a number of different components with a metal strainer, a rubber gasket, a strainer nut, a tailpiece, a coupling, and then the trap. It’s important to understand how these fit together in order to plumb your kitchen sink correctly.
How does a garbage disposal work?
A garbage disposal works effectively with a sink because it allows you to break down food waste so it can pass through your plumbing without blocking it. Garbage disposals need to be wired in but make sure everything is disconnected while you’re doing the plumbing.
What will affect the type of sink you install?
The layout and configuration of your kitchen sink will impact the type of sink you can install in your home. There are two main types of sink, and you’ll have to pick a model that will work in the space you have:
How far above the floor should the sink drain be?
Typically, your kitchen sink drain should be about 20 inches above the floor, but this is influenced by a few key factors: P-Trap Location. You need to allow enough room so that your P-Trap is no more than 24 inches below the sink drain. You may need to raise your sink if this is an issue.
What is an undermount sink?
Undermount sinks: these are fitted under the sink and look a bit more elegant but are more challenging to install.
How to use PEX pipe for bathroom sink?
PEX is used for the supply lines, and you can plumb a bathroom sink with it by following these steps: 1. Cut the PEX to the right length and make sure the cut is straight to avoid leaks. 2. Attach crimp fittings to each end of the PEX pipe. Attach one end to the faucet and compress it, so it fits tightly.
How many holes does a bathroom sink have?
The configuration of the bathroom sink is just the type of sink you have. Some sinks have a single hole faucet, while others have three holes. You’ll need to be aware of the specific configuration to understand how the plumbing will work.
What is rough in bathroom sink?
Bathroom Sink Rough-In Guidelines. Rough-in is the term used for when the electrical or plumbing work is done before your wall is sealed up. There is still some wiggle room to make amendments, but it isn’t the end of the world if your measurements aren’t quite right.
What to consider when selecting a bathroom sink?
You need to consider the storage options when selecting a sink. A busy bathroom with a lot of users is likely to have a lot of different products in there, and you might need to consider a vanity mounted sink, which gives more storage space.
What is a water supply tube?
Supply Tubes. Water supply tubes are connected to your faucet and a shut off valve with compression nuts. There’s one for hot water and one for cold water, and they supply the water for your sink. These supply tubes are typically made from copper, plastic (PEX), or a metal mesh.
How far should a supply line be from the floor?
One should be 4 inches to the left of the centerline and the other 4 inches to the right. Discharge Hole (Vertical) The discharge hole should be 16-20 inches from the floor and in line with the drain (or centerline).
Where is the drain tailpiece on a sink?
Drain Tailpiece. The drain tailpiece is what connects the bottom of your sink to the drain , and it's literally where your water will drain to. These are usually attached with a nut and a washer and should connect to the port at the back of the sink.
Undermount Sink
You can replace an undermount sink to add a sleek, fresh feel to your kitchen or bath, plus it's a simple way to upgrade a room. Unlike a drop-in sink, there’s no visible rim, crevice or lip to catch dirt with an undermount sink, making cleaning the counter easier. Undermount sinks also provide slightly more counter space.
Removing the Old Sink
Before you remove the old sink, take a few pictures of the drain setup in case you need to reference it later.
Installing the New Sink
Now that you’ve removed the old sink and cleaned the underside of the countertop, you’re ready to install the new sink.
What are the supply tubes on a sink faucet?
Supply Tubes. From the sink faucet tailpieces down to the shutoff valves, you will usually see a pair of narrow supply tubes. They can be made of braided wire mesh, plastic mesh (usually white), solid plastic (often gray), or chromed copper. They are usually connected to the tailpieces and shutoff valves with attached nuts.
What is a shut off valve?
The shutoff valves are the small valves (usually metal but sometimes plastic) located between the incoming water supply pipes and the supply hoses or tubes that connect to the tailpieces on the sink faucet. Most have an oval, football-shaped handle that you turn to open or close the valve. Also called stop valves, shutoff valves allow you to turn off the water supply at the sink, rather than shutting off the water to the whole house. They are seen in pairs: one valve controls the hot water; the other controls the cold water. Many shutoff valves use compression fittings so they can be installed onto the water pipes without soldering, but you will have to turn off the water to the house to replace a shutoff valve.
What is a drain tailpiece?
Drain Tailpiece. The tailpiece, or sink tailpiece, is the straight section of pipe that connects to the bottom of the sink drain fitting. If the sink has a pop-up drain, the lever rod of the drain assembly connects to a port on the back of the tailpiece. Typically, the tailpiece attaches to the drain fitting with a slip nut—a threaded ring ...
What is the diameter of a sink drain pipe?
It connects to the trap arm with yet another slip-nut joint. (Slip nuts are what make sink plumbing repairs so easy.) Most drainpipes for bathroom sinks are 1 1/2" in diameter, although they can be smaller or larger.
Why do you need a slip nut joint?
Slip-nut joints are doubly helpful because, if you ever drop an item into the sink drain, you can disassemble the slip-nut joint to retrieve your item.
What is a curved trap?
The curved trap is a simple safety feature that holds standing water, which prevents sewer gasses from rising up and out of your sink drain.
Why does the bottom of a U bend remain filled with water?
The bottom of the U-bend remains filled with water so that gasses can't pass through. Each time you run water down the drain, the old water in the bend is flushed out and is replaced with new water. The P-trap parts are assembled with slip-nut joints, although in some older houses you may see solvent-glued traps.
How big is a toilet vent?
The minimum toilet vent size depends on your plumbing code. In the IPC toilet vents are 1.5”, in the UPC it’s 2 inches. For more on venting a toilet read this article.
Why do vents have slopes?
And that’s why horizontal vents should have a little slope on them. This slope drains any water vapor back into the drainage system (thanks to gravity).
What is the IPC code for vents?
This increase prevents the vent from closing due to frost (IPC 903.2) (UPC 906.7 ). Check your local code for the appropriate size but usually, it’s 3 inches. This increase should also be made within the building’s thermal envelope. Or in other words, within the heated portion of your home. Again check your local code.
Where is the vent tee on a bathroom sink?
Also, notice the bathroom sink’s individual vent tee’s right into the toilet’s individual vent. That’s done with the appropriate sized sanitary tee that’s upside down.
What is a cleanout adapter?
The cleanout adapter glues right into the inlet of the combo. And provides a convenient point of access to rod the drain in case of a backup.
What does a properly installed vent do?
A properly installed vent keeps these pressure fluctuations under control…which in turn keeps the trap seal inside the P-Trap.
How far apart are the hot and cold lines in a bathroom sink?
Measure 21 inches (approximately) above the finished floor. The hot line and cold line are spaced 8 inches apart (from left to right). From the center of the drain, measure 4 inches to the left and 4 inches to the right. Moving over to the toilet.
Why do we need vents in our house?
Plumbing vents (a network of pipes that carry air and gas outdoors through a pipe exiting your roof) are essential to supply enough air to keep equal pressure in the plumbing system. They keep water and waste moving through the pipes at the right speed. A flow that’s too slow leaves behind debris that clogs pipes. If it’s too fast, suction siphons water from the P-trap (see this under sink plumbing diagram ), allowing harmful sewer gas to enter your home.
What is an AAV valve?
A second option — one that requires no outside venting, makes installation much easier, and is either loved or hated by plumbers — is called an air admittance valve (AAV).These are not the spring-operated cheater vents used in trailers; they’re gravity-operated valves that open when water flow creates negative pressure, allowing air to enter to equalize pressure.
Can you vent a kitchen island?
Obviously, a vent pipe in a kitchen island can’t do that. As an alternative, most plumbers recommend a special type of vent that loops as high as it can go inside the cabinet before heading under the floor and over to the main vent in the wall.
Can a kitchen island drain be plugged in?
A regular kitchen sink, adjacent to a wall, has a vent hidden in the wall that connects to the drain. So it won’t plug up, the vent must rise six inches above the overflow level of the sink before the pipe goes horizontal. Obviously, a vent pipe in a kitchen island can’t do that.
Can you vent an island sink?
Plumbing an island sink is challenging. It can’t be vented the same way as a regular kitchen sink. Here’s how it works. Plumbing vents (a network of pipes that carry air and gas outdoors through a pipe exiting your roof) are essential to supply enough air to keep equal pressure in the plumbing system. They keep water and waste moving ...
The Basics of Kitchen Sink Plumbing
Most modern kitchen sinks are made of stainless steel or enabled steel. They usually have two basins draining into a trap that blocks sewer gas from entering the house. A trap arm joins the trap to the drainpipe at the wall.
Common Kitchen Sink Plumbing Problems
The three problems (or projects) that most frequently plague kitchen sinks are clogged drains, leaky supply pipes, and the need to remove or replace a sink trap. The good news is that all of these can be handled with basic plumbing tools.
Kitchen Sink Plumbing: Troubleshooting Guide
None of the solutions in this troubleshooting guide are considered complex. Nor should they take much time (unless you’re replacing an entire sink).
Final Thoughts
Thankfully, the clogs, leaks, and worn parts related to a kitchen sink’s plumbing are usually quick and easy to repair or replace. Of course, if you find more complex work, you can always call a trusted local plumber.
Call 1-Tom-Plumber
Don’t hesitate to contact us here or call us at 1-Tom-Plumber (1-866-758-6237) if you need help with your kitchen sink plumbing issues.
