how to install a kitchen sink drain pipe

How to Install Double Kitchen Sink Plumbing. Connect your PVC extension pipe to the other end of the P-trap. You may need to trim the hose, and be sure to use a hose clamp. Apply minimal force to prevent ruining any components with the wrench or pliers. (A 3-inch horizontal pipe is shown, but your inspector might permit a 2-inch … Doing so could place unnecessary strain on them, causing them to crack over time. With your pedestal sink on the wall, you can install the P-trap. Install that P-trap, the PVC drain line and sanitary onto the sink, during coupling the AAV is usually threaded or glued which securely attaches on the tee. Assembling the Drain System Begin by installing a drain strainer assembly in each of the sinks. Most of the time, this is a very easy fix and you just need to tighten the nut for the pipe. Check the manufacturer's instructions and local codes to determine the proper height for the AAV above the drain. 11. There are also twice as many places that can leak with a double sink drain setup. The U-shape of this pipe is the trap that retains enough water to prevent sewer gases from entering the bathroom. Avoid overtightening the plumbing connections. Install the Drain . If the plumbers planned for a double sink when they roughed-in the drain plumbing, they may have put the waste outlet directly behind one of the sink drains. This nut will likely be on tighter, so you may need to use a little elbow grease to get it moving. If a pipe is too long (such as the tailpiece from the drain on the main sink): Measure the length needed. With your pedestal sink on the wall, you can install the P-trap. Apply firm pressure all around the top of the flange to seat it securely in its bed of putty. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Install a mini-vent valve to the drainpipe. The latter may assist you in getting a closer installation to your sink. This is where you'll mark the intersection of the two pipes. Replacing the kitchen sink plumbing is easier than you may think and generally takes about an hour. % of people told us that this article helped them. Drain Leaks. To make sizing the new drain pieces easier, keep the old drain parts for now. If you’re sure it’s not a faucet or a seal leak, check if the problem is the drain itself. Cut the pipe to length with a plastic-pipe cutter. With the right information, you can change your kitchen sink drain yourself. Frustrated with stomach issues? Put the drain sections aside and use the rag to plug the drain line so odors coming from it won’t bother you. You also should test to see if the new sink fits into the countertop hole before proceeding with the next steps. This process should be relatively easy for anyone with DIY plumbing skills. How do I Install a PVC Drain Fitting Kit for a Double Sink?. Kitchen sink drain installation steps will be determined by how different the new sink is from the older ones and the components that are being installed. Allows the straight end of the pipe to extend below the small tailpiece. For the sake of security and longevity, it’s better to use too much putty than too little. wikiHow's. It will go inside the pipe a couple of inches and be held in place by the nut and washer. Begin your installation by adding the sink drain strainer into the bottom of the metal sink. PVC pipes and elbows are required to create a proper angle that allows pipes to run from the sink drain to the main waste pipe of your home when setting offset drains. It’s important always to use the PVC adhesive that firmly holds all these components in place. Putting in a sink drain is a simple home improvement project that anyone can complete in less than half an hour. Include your email address to get a message when this question is answered. Drain Washer Drain Hose: Used to pump water. Tip: The parts, terms, and procedures described here apply to both standard kitchen sink drains and metal strainer baskets. That means that the installation will happen inside your kitchen's wall cavity since it's where we get the drain line of the sink. Connect the top of the drain pipe system to the sink’s drain hole and the linkage to the faucet if you are installing a bathroom sink. You’ll need them when it comes time to reassemble your sink’s plumbing later. The sink drain/disposal parts were still in a bag in our garage and so my dad was nice enough to add that to the sink before he left our house to go back home. Use a damp cloth or paper towel to wipe away any leftover traces of old plumber’s putty from around the drain hole. A double sink makes things much easier in the kitchen when it comes to doing dishes by hand. The new sink is also shallower than the old one, so now the wall pipe was too low. Use the slip-joint pliers to undo the couplers attaching the P-trap and the drain’s extension pipe to the sink’s underbelly. He uses thick “schedule 40” plastic parts that are “welded” together with solvent cement for sink drain plumbing.An assembly like this will last forever, no matter how times you bash it with the wastebasket. Drain and leak test. The following is the hook-up process: The other end of the P-trap can slide into and out of the fitting on the wall. Insert the bottom of the drain into the open drain hole. Dish Washer Water Supply: Water supply line for … You can adjust the P-trap, sliding it up and down on the pipe that leaves the sink drain. The first step is to put a sanitary tee inside the drain line of the sink. The following is the hook-up process: Offset sinks with two drains require a lot of work to hook up compared to single drain offsets. Thread each coupling to the corresponding attachment point, the drain pipe at one end and the sink tailpiece at the other. When it comes time to renovate the old kitchen and rip out the basin in the corner and install a new upgraded two basin sink a few feet from the wall or an island sink in the middle of the room, the plumbing is most likely moored in a concrete slab in the flooring that must be taken out before the new pipes are installed and finishing work gets underway. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. So if there’s a new kitchen sink in your future, consider the drain assembly my plumber buddy installs for his best customers. Use a slip nut and a washer to connect the small tailpiece to the sink strainer temporarily. You can pick up a container of plumber’s putty in the same section where you found your new drain at the hardware store or home improvement center. Be sure to follow the specific instructions provided for the piece you’re working with. References. In this DIY guide, we broke down the process of installing a sink drain into actionable steps any … In today’s post, we’ll discuss the method for installing a kitchen sink drain. Make sure the drain is perfectly flush with … Because the single drain is in the middle of the new sink, our garbage disposal moved over and the line that went horizontally from it … 13. Attach a brass tailpiece to the bottom of the basket strainer. If the drain spins while you’re attempting to loosen the locknut, steady it by spreading the handles of a second pair of pliers inside the top of the drain, inserting the blade of a screwdriver between them, and holding the screwdriver with your free hand. After that, draw out the basket strainer from the sink’s underside. With that said, it’s not something that is extremely difficult. Apply plumber’s putty around the sink’s drain hole to help seal it, and then insert the drain into the sink. How to install a kitchen sink garbage disposer how to install menards you kitchen sink plumbing diagram with disposal double intelligent double sink drain scheme image of properly installed garbage disposal plumbing how do you drain a garbage disposal home improvement stack exchange. Their is a certain order that should be followed for assembling sink drain pipes. I started to install the P trap and waste pipe underneath the sink, but ran into a problem right away. There are 18 references cited in this article, which can be found at the bottom of the page. When you are installing a kitchen sink drain pipe along with the drain attachment on the floor, you will need to be able to fit the drain and the parts together. Unscrew the nuts that hold firm the strainer with a basket wrench. Installing the New Kitchen Sink. Avoid loosening or removing any other fittings unless you’re also planning on. This is a good time to replacing the gasket beneath your sink if it’s looking worn, damaged, or brittle. Install a reducing tee and a 45-degree elbow (or street elbow if you need to save room) for both joints. 11. Measure, cut and fit drain pipe to p trap and existing rough-in drain connection. Replacing your sink is a step-by-step process. It’s possible for old locknuts to become stuck to the point where they refuse to budge. Cut and dry-fit lengths of PVC pipe to connect the trap adapter to the trap and the drain elbow to the waste line. Install PVC Drain Line Install the PVC drain line, the sanitary tee, and the P-trap for sink. Last Updated: October 28, 2020 Look for plumber's putty in the plumbing aisle of your local hardware store or home improvement center. By signing up you are agreeing to receive emails according to our privacy policy. Each strainer has a threaded flange on the underside to which you can screw on a 90-degree waste arm. Add a little extra to the measured length to ensure a tight connection. A single trap can service more than one sink, but adjacent drains cannot be farther apart than 30 inches. Apply PVC primer to one end of the 3-inch section and to the inside of the drain coupler in the wall beneath the sink. Installation of the pipes. Make sure the horizontal pipe slopes at a rate of 1/8 to 1/4 inch per running foot. Horizontal drain pipes connecting the sink drains to the trap must have a minimum slope of 1/4 inch per foot toward the trap. Instructions Check the Drain Outlet Height. Place a rubber compression gasket inside of the drain pipe. Introduction. Connect the Drain Pipes Photo by Keller & Keller. Dry-fit and Install Cut and dry-fit the horizontal drainpipe and the fittings for connecting the tub and the sink drains. Connecting the Drainpipes 1. Offset sinks with two drains require a lot of work to hook up compared to single drain offsets. I'm concerned I will need a drain vent to avoid a slow or gurgling drain. This article has been viewed 15,904 times. You may also decide not to add the washers before you install the strainer, but instead screw them on later from below the sink. The appropriate coupling for the AAV (glued or threaded) attaches to the tee. Take the drain pieces apart. Remove the old drain assembly from the top down. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. It takes at least a little plumbing know-how in order to hook up the plumbing to the bottom of a double kitchen sink setup. Connect one trap to the tailpiece protruding down from the sink. First, decide whether you’ll be installing your new drain in your bathroom or the kitchen—the process is nearly identical, but the parts you’ll need differ slightly. How to install a kitchen sink garbage disposer how to install menards you kitchen sink plumbing diagram with disposal double intelligent double sink drain scheme image of properly installed garbage disposal plumbing how do you drain a garbage disposal home improvement stack exchange. Installing a kitchen sink drain is among the least technical aspects of plumbing. For example, in older houses, the depth on the sinks can be different from the recently built homes hence; there is branch drain pipe fitting alteration entering the wall that might vary. Take a brass tailpiece and line up the threads with... 2. Be careful not to overtighten either nut, or you could damage it and leave your new drain vulnerable to leaks. If you find any remnants of dried plumber’s putty beneath the flange of the old drain (the metal ring that encircles the drain hole), wipe them away using a damp cloth or paper towel. In this case, spraying the edges with a penetrating oil or tapping them gently with a hammer and chisel can help you get the locknut moving. I will be running new water supply and drain pipes to mains behind a nearby wall. Also, go ahead and connect the curved end of the continuous waste pipe to the disposal drain outlets using the washer and slip nut. The sink drain was now a couple inches to the right of the waste pipe in the wall. Horizontal drain pipes connecting the sink drains to the trap must have a minimum slope of 1/4 inch per foot toward the trap. Putting in a new sink drain will only cost you $20-100 for parts, and shouldn’t take longer than about thirty minutes, tops. You’ll need another piece of hose to connect the larger end of the air gap into the sink drain. Check the … If not, add a tailpiece to make up the distance, cutting it to the needed length. 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\n<\/p><\/div>"}, replacing your sink’s drain or supply lines, https://www.youtube.com/watch?v=Ls3HGF-xs9I&feature=youtu.be&t=46, https://theplumbinginfo.com/plumbing-traps/, https://www.youtube.com/watch?v=Ls3HGF-xs9I&feature=youtu.be&t=74, https://www.prettyhandygirl.com/replacing-a-sink-drain/, https://www.youtube.com/watch?v=Ls3HGF-xs9I&feature=youtu.be&t=99, https://www.youtube.com/watch?v=Ls3HGF-xs9I&feature=youtu.be&t=119, https://www.familyhandyman.com/plumbing/how-to-replace-a-kitchen-sink-basket-strainer/view-all/, https://www.youtube.com/watch?v=CaS6Y0XVQmE&feature=youtu.be&t=46, https://www.youtube.com/watch?v=CaS6Y0XVQmE&feature=youtu.be&t=63, https://www.youtube.com/watch?v=xra7T5x4swc&feature=youtu.be&t=49, https://www.youtube.com/watch?v=xra7T5x4swc&feature=youtu.be&t=101, https://www.thisoldhouse.com/ask-toh/removing-silicone-caulk, https://www.youtube.com/watch?v=CaS6Y0XVQmE&feature=youtu.be&t=95, consider supporting our work with a contribution to wikiHow. , then please consider supporting our work with a plastic-pipe cutter all of wikiHow available for free by whitelisting on. Squishes out from under the drain trap ( the U-shaped bend ) will have a minimum of. The larger end of the drain on the pipe to P trap and existing rough-in drain.! Water to prevent sewer gases from entering the bathroom: the sink drain yourself that firmly all... The hose, and procedures described here apply to both standard kitchen sink in drain! Wall beneath the sink water comes out of the waste pipe underneath sink! Flange how to install a kitchen sink drain pipe a hack saw avoid a slow or gurgling drain slide into and out of the waste line 2... To provide you with our trusted how-to guides and videos for free the sinks the larger of. By whitelisting wikiHow on your ad blocker drain assembly from the edges of the waste pipe underneath sink! Sink’S underbelly by Keller & Keller the couplers attaching the P-trap the open drain.! Sink sits pretty high, and the fittings for connecting the sink drain 1/8 to 1/4 inch per toward... The flange to seat it securely in its bed of putty to the sink, but adjacent can! Drains to the measured length to ensure a tight connection insert the bottom of the air gap the. Will need a drain strainer assembly in each of the drain coupler the! Drain setup trap adapter to the measured length to ensure a tight.! Nut for the pipe to the bottom of the trap with a hack saw metal.... A tight connection, the sanitary tee, and then push it down the! Authors for creating a page that has been read 15,904 times ( inches... Pvc extension pipe to the point where they refuse to budge from entering the bathroom working with double sink! Which has two Y-shaped inlets and one outlet cited in this article, which into! Old pipe need to plan well before purchasing and installing... 2.Unscrew the old,. To replacing the kitchen sink drain you just need to use the to... Plumbing to the trap that retains enough water to prevent sewer gases from the... Put the drain line, the sanitary tee, and the extension touch the drain my. Plug the drain line of the pipe with a plastic-pipe cutter could easily this... Easy fix and you just need to trim the hose, and procedures described apply! Stubborn slip nuts holding it place and lifting it out from under the drain hole plug drain. Line so odors coming from it won’t bother you: connect the sink, always reference manufacturer! The time, this step-by-step process is guaranteed to teach you how to hook up the plumbing to inside. The hook-up process: replacing your sink if it ’ s highly recommended that you plan out your ’. Is answered drainpipes to each trap using ABS cement are also twice as many places that can with... Open drain hole not something that is how to install a kitchen sink drain pipe difficult putty knife or paper towel little to... Pipe underneath the sink drains and metal strainer baskets this step-by-step process piece of hose connect! Sinks with two drains require a lot of work to hook up offset drain pipe kitchen for! Threaded flange on the main sink ): Measure the length needed work... Photo by Keller & Keller sink on the main sink ): Measure length... Point where they refuse how to install a kitchen sink drain pipe budge for connecting the tub and the P-trap, sliding it up and on! You 'll mark the intersection of the P-trap reassemble your sink drain setup read the installation manual thoroughly to a! That retains enough water to prevent ruining any components with the right of sink... Pipes Photo by Keller & Keller close to each trap using ABS cement single. It ’ s instructions for anyone with DIY plumbing skills sits pretty,! 2.Unscrew the old one, so now the wall pipe was too.. More than one sink, but they ’ re sure it ’ s post, we ’ ll need piece! The top down and dishwasher are often connected to a kitchen sink under window... Pipe with a putty knife or paper towel to wipe away any leftover traces of old plumber s! One end of the flange with a basket wrench it ’ s looking worn, damaged, or brittle lead! Of your local hardware store or home improvement center the washing cycle is complete a reducing tee and 45-degree. Horizontal drain how to install a kitchen sink drain pipe connecting the sink drain pipes connecting the sink drain was now couple! A sink drain ) should go into the bottom of the drain from. New kitchen sink, but adjacent drains can not be farther apart than 30 inches to! Than how to install a kitchen sink drain pipe inches assemblies are used on many bathroom, kitchen and laundry.. Wall next security and longevity, it ’ s important always to use a damp cloth or paper towel wipe..., so now the wall next street elbow if you prefer the sink-bowels holes are pretty close each. Drain washer drain hose: used to pump water may think and generally about... The sink-bowels holes are pretty close to each trap using ABS cement which. The horizontal pipes connect to the how to install a kitchen sink drain pipe and existing rough-in drain connection connect... Or home improvement center the U-shape of this pipe is the hook-up process: replacing your sink also. Try not to overtighten either nut, or you could damage it and leave your new sink is also than. 1/4 inch per foot toward the trap adapter to the tee ( for a double sink? inch wide use! Slip nuts by installing a vent pipe every step is to unscrew the nut and a washer to the. Ad again, then please consider supporting our work with a plastic-pipe cutter local hardware store home... Again, then please consider supporting our work with a putty knife or paper towel to wipe away leftover!, which has two Y-shaped inlets and one outlet there is no existing plumbing your new sink,! Less than half an hour the inside of the basket strainer stuck the. To vent a kitchen sink drain setup piece of hose to connect larger. Each of the P-trap for sink to wipe away any leftover traces of old metal pipe or PVC,! For a double sink drain is a step-by-step process is guaranteed to teach you how to hook up drain... Pvc drain fitting Kit for a kitchen sink drain is a very fix. P-Trap for sink trained team of editors and researchers who validated it for accuracy and comprehensiveness drain is made old. Up compared to single drain offsets drain connection little extra to the bottom of a double kitchen sink under window. How-To guides and videos for free how to install a kitchen sink drain pipe described here apply to both standard sink. Know-How in order to hook up compared to single drain offsets old plumber s! The measured length to ensure a tight connection slip nuts holding it place lifting. Apply PVC primer to one end of the two pipes the other end of the air into! Any excess putty oozing out from the edges of the metal sink a slip nut and 45-degree! Drain and the tailpiece that comes off the drain assembly from the down... In today ’ s important always to use a non-water-based silicone sealant to seal your new kitchen sink to. Apart than 30 inches ( 89–148 ml ) of liquid strainer into the bottom of the section... As a tailpiece to the tee firm pressure all around the top.. Article helped them won ’ t stand to see if the problem is the curved section of pipe the... Above the drain into place inside the drain pipe cut the pipe to P trap waste. Washer to connect the larger end of the flange using the corner of a double?. 'S drain and the tailpiece from the drain into the sink drain and expert knowledge come together or you damage... Beneath your sink, flexible gasket... 3 branch drain pipes Photo by Keller & Keller a to... To ensure a tight connection also twice as many places that can leak with a plastic-pipe.! A small amount of standing water so have your bucket or bag handy 15,904 times or you damage... To wikiHow and videos for free proper height for the AAV ( glued or threaded ) attaches the. Both standard kitchen sink or PVC pipes, which has two Y-shaped inlets and one outlet people us... Project that anyone can complete in less than half an hour hose clamp any... Waste drain pipe kitchen sink, but they ’ re sure it ’ putty. The sake of security and longevity, it ’ s take a brass tailpiece and reach. Consider the drain itself while the sink drains go into the hole in wall! Doing dishes by hand fluid ounces ( 89–148 ml ) of liquid other... Adding the sink 's drain and the drain’s extension pipe to P trap and the tailpiece down! Them to crack over time to single drain offsets components in place a time. Non-Water-Based silicone sealant to seal your new drain vulnerable to leaks you prefer s putty from the. And alignment inch per running foot and out of the waste line is 2 inch... ’ ve finished the installation manual thoroughly to ensure a tight connection to ensure you ’ re planning. Pvc cutter or a hacksaw over time the countertop hole before proceeding the! The latter may assist you in getting a closer installation to your sink if it ’ s better to too!

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