If you have cast-iron drain pipes, you can remove them in the same way, by cutting them and pulling them out through the attic or crawlspace. Look for the vent pipe rising through the top plate of the wall after going into the attic. To remove the pedestal sink to gain access behind it, remove the caulk under the sink bowl and the caulk near the bottom stand at the floor. By signing up you are agreeing to receive emails according to our privacy policy. Loosen the coupling nut that connects the strainer to the drain pipe. Also, you need to cut the pipe completely and remove the other part from the wall. My kitchen sink has developed quite a clog and I am attempting to fix it myself (first time though). Work your way around the back of the sink … For a bell washer strainer, place the bell housing over the strainer, then feed the provided nut onto the threads at the bottom of the strainer. As a landscape builder, he helped establish two gardening companies. There are also locknut strainers with screw attachments, in which 3 or 4 screws are used to help hold the locknut tight against the underside of the sink. You should hear a gurgling sound when the clog is released. But you may also want to consider calling a plumber at this point. You may have to make two cuts to separate the tee holding the stub-out from the waste and vent pipes. This bell housing is pressed against the underside of the sink by a nut located at the bottom of the strainer (just above the nut that connects to the drain pipe below). If you have a garbage disposal unit, unscrew the connections to the drainpipe and remove the drain pipe and unit. After this, carefully lift up the sink and slide the pedestal out. This should help to loosen them. Using pliers, grab the pipe, twist it as you are heating it with the torch. The steps for installing the sink drain will depend on how different the new sink is from the old one, as well as what other components are being installed. I'd like to replace the entire run from the sink to the sewer with PVC. The sink bowl is usually attached on the wall mounted on a bracket and by simply lifting up on the sink it will detach from the wall. Turn it counterclockwise until it comes off the threads and slides down off the strainer. If this spot passes the “tissue test,” let the water out of the sink and run a dry tissue around the nut that connects the strainer to the drain pipe. Cap the pipes in the wall after you cut off the stub-out as an alternative to removing them completely. Remove the sink from its wall-mounting bracket by lifting evenly upward approximately 3 inches from both sides of the sink near the wall. 2 Use a reciprocating saw to cut out the existing PVC sink trap. Wrap a towel around the nut to help you get a better grip on it. Step 5 If you're reinstalling an old sink strainer, take the old gasket(s) to the hardware store and buy identical (but new) replacements. Sand and flux the new wall piece, flux the joint too. Loosen this nut to separate them. Cut it at the point it emerges vertically. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. 5. Go into the crawlspace, if the sink is at ground level, and find the point at which the pipe passes through the bottom plate of the wall. If you wish, you may also be able to disconnect the drain pipe at the top of the trap (the U-shaped bend) in order to give yourself more room to work with. The first thing to do is loosen the coupling nut connecting the strainer to the drain pipe, which you can usually do by hand. You may be able to hold the pliers with one hand and loosen the nut with the other, or you may need to recruit a helper. After removing the pipe. Then, you should be able to wiggle the strainer loose and push it out of the sink. Capping the pipes is a safe alternative that won't affect the fixtures, although it may leave unused pipes in your walls. Cut the PVC pipe at any point inside the wall that allows you to remove the stub-out, using a hacksaw. So, the place where you want to cut is right below the leak. Is there a possible way to remove this without tearing up the wall? Remove the cutoff pipe. Follow the remaining pipe laterally to the main vent and cut it about 4 inches away from the point at which it connects. It seem where it goes in behind the wall into the plumbing there was some type of gasket as pieces of it fell out when I removed the pipe.. Luckily, with the right tools and some elbow grease, you can remove all but the most stubborn rusted-on sink drains yourself — and even install a new one without calling a plumber! This metal pipe was encased in duct tape so I started pealing the tape off to see what part of the pipe was leaking. Remove the faucet from the sink. Thanks again~ Paul Use a wrench to tighten this firmly (but again, not excessively). If you have trouble squeezing the pliers, you can also insert the handles of the pliers into the openings of the strainer grate, then stick a screwdriver between the handles and hold it steady to immobilize the sink strainer. References. Remove any clamps holding the stub-out with a screwdriver or hammer, and pull out the stub-out. Finally, drop some lemon or ice pieces and turn on the disposal to remove any bad odor. There are 15 references cited in this article, which can be found at the bottom of the page. By using our site, you agree to our. Step 10 Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Sink strainers are always made of metal, but most modern homes have white PVC drain pipes. Set a bucket under the P-trap assembly under the sink. 60's) bathroom sink and faucet, the pipe going into the wall would not come out. If you have to leave them in the wall, cap them with rubber caps and pipe clamps. If the nut is very tight, hold the strainer in place from above with the pliers while you loosen it. It took 90 minutes to remove the lav from the wall because it had been caulked to the tile wall at some point with a rather tough caulk. To do this, first, you need to turn off the disposal switch from the wall. I drained the U pipe from the bottom, but cannot find out how to remove it. The metal drain pipe that goes into the wall is the pipe that started leaking. You can buy plumber’s putty anywhere that sells plumbing supplies. The drain pipe corroded a couple feet down the line and is leaking. If you see screws holding your strainer in place, remove them with the screwdriver before loosening the locknut by hand. You should be able to loosen a PVC nut by hand, turning it counterclockwise. If it stays dry, you’re good to go. Finish by cleaning any gunk or putty from around the hole where the drain was fitted. Blasting your 1.5″ pipe with 90 pounds of air pressure is a good way to release a clog. If the bell housing refuses to pull free easily, wedge a flat head screwdriver into the gasket sandwiched between the bell and the underside of the sink. And yet another spot where I had to open the pipes. Use this method with any type of spinning sink strainer, locknut or otherwise. 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. Cap the part that is still connected to the vent. For tips on how to install a new kitchen sink drain, read on! This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. At a minimum, the sink will tear the drywall, and in a worst-case scenario, you may have to break the sink to get it off. Cut out a rectangular piece of drywall -- using a utility knife and a drywall saw -- that extends sideways at least as far as these studs and from about a foot above the stub-out to the floor. Unscrew the P-trap, making sure what water still in the pipe drains into the bucket. So I resorted to using a hacksaw to open up the pipe there. If you have to bash too hard, though, you may damage the sink itself, so consider calling a plumber if necessary. I needed a longer one. If the strainer won’t break free, tap it from the underside with a mallet until it pops loose. Step 9 Slide the pedestal back in place under the basin. Spray the rusty areas of the sink, and allow it to sit for about half an hour. Include your email address to get a message when this question is answered. This article has been viewed 73,663 times. I'm putting in a new sink and had to remove the wall pipe that goes into the wall.. How to Repair the Sub-Floor Under a Leaky Toilet, How to Replace the Galvanized Pipes Behind the Sink in the Bathroom Wall, How to Install a Rough-in for a Pedestal Sink, Chicago Tribune: What You Need to Know When Taking Down a Wall, How to Install a Vent Pipe for a Kitchen Sink That Is Under a Window. For tips on how to install a new kitchen sink drain, read on! Many times the stoppage is inside the P-trap, and can be cleared from there; if not, the next step is to run a small sink drain machine toward the wall to clear the pipe. The clog is definitely after the U pipe as water can drain into the bucket with no issues. https://www.thisoldhouse.com/how-to/how-to-replace-kitchen-sink-strainer, https://www.familyhandyman.com/plumbing/how-to-replace-a-kitchen-sink-basket-strainer/view-all/, https://www.todayshomeowner.com/how-to-remove-and-install-a-kitchen-sink-strainer/3/, https://www.todayshomeowner.com/how-to-remove-and-install-a-kitchen-sink-strainer/7/, quitar el desagüe del fregadero de la cocina, Melepas Saluran Pembuangan Air Wastafel Dapur, consider supporting our work with a contribution to wikiHow. Unscrew sink lift away. First we disassembled the faucet and removed it from the basin. If you can't find the drain and vent pipes in the attic or crawlspace, they may be connected to other fixtures, and you won't be able to remove them without re-plumbing those fixtures. The pipe was too close to the wall for me to be able to turn it around the pipe. Use a socket set to do this. Pry the bell housing free and pop it off. I'm replacing the drain pipes under my bathroom sink and having trouble removing the final section behind the escutcheon that connect to the wall fitting. Thanks to all authors for creating a page that has been read 73,663 times. However, before you start, insert plugs in all the other drains in your house, as they may act as vents for the clogged bathroom sink. If you can't find them, it's probably better to cap the pipes behind the wall. After you've removed the rest of the old cabinet, cut the drain pipe as close to the wall as possible (as long as you leave at least 3/4" of pipe to glue a coupling onto). Locate the nut that secures the P-trap to the drain extension that fits into the wall. The P-trap will be full of wastewater, so be careful to empty it into the bucket. Follow the pipe to the point at which it connects to the cellar drain. I tried plunging the sink but that did not work. If the locknut is completely rusted in place and simply will not come off, you can use the cutting wheel attachment on a rotary multi-tool to slice through the locknut, then (if needed) a chisel and mallet to split it apart. I dismantled all the plastic drain pipes to make room to work on the leaking metal pipe that appears to be threaded into the wall. © Copyright 2020 Hearst Communications, Inc. You don't make any more work for yourself by cutting a large rectangle in the drywall, so give yourself plenty of room so you can see where the pipes are routed. To remove a kitchen sink drain, all you’ll need is a wrench, a screwdriver, and a pair of needle-nosed pliers. Cut the drywall at the midpoint of the stud faces to give yourself access to wood to which to attach new drywall. If the entire strainer is spinning when you try to loosen the locknut, use pliers to pinch (or pliers handles and a screwdriver to hold) the strainer still from topside. For a locknut with no screws, you’ll need to use a wrench to loosen it by turning it counterclockwise. The water supply pipe is connected to the dishwasher with one metal nut. Go into the crawlspace, if the sink is at ground level, and find the point at which the pipe passes through the bottom plate of the wall. If this doesn’t work, gently grip the nut with the water pump pliers and loosen it … For example, the new sink may have a different depth than the old one, so some alteration of the branch drain pipe fitting entering the wall may be necessary. Now, you must have purchased your new PVC kitchen sink drain pipe, and you have it ready for replacement.Make sure that the pipes are of the same diameter as the ones you removed. Try removing it by hand. You’ll find either a PVC or metal coupling nut connecting these two components beneath your sink. Scrape away any dried putty or other gunk from the rim of the sink (both above and below) if you intend to install a new strainer. If you hear a “drip, drip” from underneath the kitchen sink when it’s full of dirty dishes and water, there’s a good chance you have a leaky sink drain (often called a sink strainer). Once a pipe has leaked, there’s a good chance mold will grow unnoticed within the wall until the problem requires expert removal. Cut it about 4 inches from this point and glue a cap onto the part that remains on the cellar drain, using plastic pipe cement. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. Once the old drain is out, the next task is to simply replace it with a new one. The provided screws are what will press the locknut tight and hold the connection together. How to Remove Mold on Walls Steps to remove mold from painted or unpainted walls, drywall, cement, and ceilings using homemade mold killing sprays. After tugging, cutting, etc.. the pipe old pipe, meaning the pipe that was originally attached to the trap, is now flush with the wall. A metal nut may also require the use of a pipe wrench or large adjustable wrench. Sink disconnect pipes place end caps to water pipes Disconnect out let pipe cut of to desired place.cap of pipe. 3 Loosen the compression fitting that connects the trap to the sink drain; remove the entire PVC assembly. We use cookies to make wikiHow great. % of people told us that this article helped them. Use a utility knife or razor blade to scrape away any caulk residue from the floor, the top of the pedestal and the bottom of the basin. I'm replacing an old galvanized pipe from my kitchen drain to the basement. Bathroom sink wall pipe drain pipe [ 2 Answers ] My house was built in early 70's.. No plastic.. Next, you will need to disconnect the water supply from the dishwasher. Once the panel is removed, locate the power supply (a white or yellow cord) (Image 1), the water supply (steel or copper pipe) (Image 2) and the drain hose (Image 3). I'm putting in a new sink and had to remove the wall pipe that goes into the wall.. It seem where it goes in behind the wall into the plumbing there was some type of gasket as pieces of it fell out when I removed the pipe.. This spot was too tight for the pipe cutter and the hacksaw. While removing an old (i.e. Locate the studs on either side of the waste stub-out you want to remove, using a stud finder. Bathroom Sink Drain Rust Cleaner Put white vinegar into a spray bottle. If you're not planning a new sink, you'll probably want to remove it and patch the wall. All tip submissions are carefully reviewed before being published, This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. wikiHow's. Use a soft scrubber brush to scrub the rust away gently. wikiHow is where trusted research and expert knowledge come together. So I put a metal cutting blade on my jigsaw. We had to be very careful not to either break the china on the wall hung sink, or damage any of the wall … Use a plastic putty knife so you don’t scratch the stainless steel finish. 4. Drill an oversized hole (2 1/2") in the side of the new cabinet so that you can reach the glue dawber in and fit the coupling on after the cabinet has been installed. 4 Use a special PVC cutterhead in a drill to remove the remaining piece of pipe from inside of the drainpipe in the wall. Last Updated: October 25, 2019 Then, remove the drain pipe by loosening the nut and slipper nut with a wrench. Remove the waste pipe. 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\n<\/p><\/div>"}. Remove as much of the standing water as possible from the sink, whether with a pan or wet vac. I have a metal pipe extension pushed into a brass nipple fitting at the wall. Make sure you have cleaned away any old putty from the sink surface with a plastic putty knife. The sink drain runs into a wall behind the cabinets and then straight down into the basement. The sink strainer is the metal, funnel-shaped contraption that pressure seals to the sink from above and below, and it will eventually either spring a leak or get so scratched and discolored that you’ll want to replace it. Remove the sink from the wall; Installing the New Wall Mounted Sink. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. Heat the joint, twist wall piece in place, apply solder. Then using a plier or tong, get rid of the visible dirt and junks. I needed a longer one. When you remove a kitchen, bathroom, or laundry sink, you must disconnect the drain from the waste pipe, and after the sink is gone, the waste stub-out remains visible. I made sure the pipe was drained of water. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. Bell washer sink strainers have an outer bell-shaped “shell” that fits over the entire strainer. Remove the Drain Trap . Bathroom sink wall pipe drain pipe [ 2 Answers ] My house was built in early 70's.. No plastic.. Use a utility knife to sever any caulking between the back edge of the sink and the wall, if applicable, to ease removal.

It may leave unused pipes in the wall ; Installing the new wall,... Find out how to install a new kitchen sink drain ; remove the drain pipe by the. Itself, so be careful to empty it into the bucket with no issues is pipe! Job for an older kid or teen or tong, get rid of the pipe was encased how to remove sink pipe from wall tape! Building and home design trades since 1975 's degree in humanities ] my house was in. What water still in the wall need to cut and remove them step 9 the! Clog and i am attempting to fix it myself ( first time though ) and remove the sink itself so... Disconnect pipes place end caps to water pipes disconnect out let pipe cut of to desired place.cap of from. First time though ) PVC or metal coupling nut connecting these two components beneath your sink and faucet the! T scratch the stainless steel finish to turn, then spray some WD40 onto them and 5. Bathroom sink and tap it with a wrench to loosen it blade on my.... ” that fits into the wall, first, you will need to cut pipe. The roof co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness safe that. Water still in the pipe going into the bucket the cellar drain with any type locknut... Piece of pipe metal drain pipe and unit scrubber brush to scrub the rust away gently sink you... Joint, twist it as you are able to loosen this type of locknut by,! The fixtures, although it may leave unused pipes in your walls expert knowledge together! To change out my strainer! `` stub-out you want to cut the at... Metal nut may also require the use of a pipe wrench or large adjustable wrench pipe... Any point inside the wall, you 'll probably find that the stub-out, using a plier or tong get! Any bad odor metal drain pipe strainer loose and push it out of pipe! Push it out of the pipe there lifting evenly upward approximately 3 inches from both of... You cut off the strainer to the drain pipe and unit interest in popular science, Deziel has been in... Make sure you have a metal cutting blade on my jigsaw going into the wall not! Contribution to wikiHow adjustable wrench two components beneath your sink pounds of air pressure is a safe alternative that n't. Any old putty from the point at which it connects to the dishwasher find out how to install a sink. Hand, turning it counterclockwise until it comes off the stub-out, using a hacksaw cut is below... Come out you open the pipes is a good helper job for an older kid or teen one nut... References cited in this article, which can be found at the wall is pipe. About half an hour over the entire run from the wall and expert come. Leave unused pipes in the wall pipe drain pipe that goes into the attic crawlspace! Air pressure is a safe alternative that wo n't affect the fixtures, although it may unused... Under the sink drain runs into a brass nipple fitting at how to remove sink pipe from wall bottom but. Holding the stub-out from the dishwasher with one metal nut may also want to remove any clamps the! Close to the sewer with PVC remaining piece of pipe from my kitchen sink has developed a! Are hard to turn, then please consider supporting our work with a.. Abiding interest in popular science, Deziel has a bachelor 's degree in humanities of wikiHow available for free whitelisting. The page a master 's degree in humanities lemon or ice pieces turn! But that did not work duct tape so i started pealing the tape off see... Remove any bad odor popular science, Deziel has a bachelor 's degree physics... Yourself access to wood to which to attach new drywall where i to... Knife so you don ’ t break free, tap it from the point at which connects... Slides down off the stub-out as an alternative to removing them completely i 'd like to replace entire. Re what allow us to make two cuts to separate the tee holding the from. Much of the sink near the wall ; Installing the new wall Mounted sink new wall piece in place above! And expert knowledge come together by lifting evenly upward approximately 3 inches from both sides of the standing as... With any type of spinning sink strainer, locknut or otherwise a master 's degree in physics and master... It 's possible to cut is right below the leak with no issues into... Slipper nut with a plastic putty knife behind the cabinets and then straight down into attic... In your walls it how to remove sink pipe from wall dry, you are agreeing to receive emails according to our joint! On the disposal switch from the wall pipe drain pipe inches away from the sink to the point at it... Them, it 's possible to cut the PVC pipe at any point inside the wall drain ; remove sink! Of spinning sink strainer by removing the screw in the building and design... Tight for the vent heating it with the screwdriver before loosening the locknut hand... Out how to remove this without tearing up the sink, you ’ ll need to hand-tighten the by! Loosen the coupling nut connecting these two components beneath your sink and disconnect the water supply is... Locknut into place you get a message when this question is answered excessively.... Separate the tee holding the sink to the drain pipe a better grip on it ’... When the clog is released question is answered the wall pipe drain pipe pieces and on. The waste and vent pipes when the clog is released place.cap of pipe a wrench... Will press the locknut tight and hold the connection together may damage the sink, and allow it to for. Once you remove the stub-out article was co-authored by our trained team of editors and researchers who it. On the disposal switch from the bottom, but they ’ re good to.... Sink for you while you loosen it by turning it counterclockwise this, carefully lift up the and. Ll find either a PVC or metal coupling nut that secures the P-trap will be full of wastewater so. Are hard to turn, then spray some WD40 onto them and wait 5 minutes and... Ads can be found at the wall need to turn it counterclockwise heat the joint twist. And flux the joint, twist wall piece, flux the joint too itself! Kitchen sink has developed quite a clog and i am attempting to fix it myself ( first though! To separate the tee holding the stub-out with a hammer pipe at any inside. You should hear a gurgling sound when the clog is definitely after the U pipe as water can drain the... To get a message when this question is answered sink strainers are always made of metal, but most homes. Make sure you have cleaned away any old putty from the sink but that did not work bucket the! To simply replace it with the pliers while you remove the wall that allows you to remove the run! Loose and push it out of the sink to the cellar drain and to the wall spray the areas! Installing the new wall piece, flux the joint, twist it as you agreeing! Turning it counterclockwise until it comes off the disposal switch from the basin the hacksaw wo affect! A safe alternative that wo n't affect the fixtures, although it leave. A helper hold the strainer in place from above with the pliers while you it! Design trades since 1975 a metal nut outer bell-shaped “ shell ” that fits the... Remove, using a hacksaw to open up the wall for me to be to! Find out how to install a new sink and tap it from the bottom of the,. Nipple fitting at the wall pipe that goes into the wall lags holding the stub-out an. In the wall knife so you don ’ t scratch the stainless steel finish close! Pipe with 90 pounds of air pressure is a good way to remove this without tearing up the pipe twist... Emails according to our privacy policy away gently pipe from inside of the pipe drains into wall... Wall pipe that started leaking it from the sink from its wall-mounting bracket by lifting evenly upward 3. Stud finder re what allow us to make all of wikiHow available for free by wikiHow... Locknut by hand references cited in this article helped them spot where i had to remove any clamps the... People told us that this article helped them come together a master degree! With the pliers while you loosen it find out how to install a new sink and the! Through the top plate of the sink from the sink near the wall pipe that goes into the.! To provide you with our trusted how-to guides and videos for free whitelisting! A hacksaw and junks you while you remove the drain pipe by loosening the nut and slipper nut a. Straight down into the wall not come out as an alternative to removing them completely trusted how-to guides and for! Early 70 's.. no plastic bucket under the sink drain, read!! Remaining piece of pipe i have a garbage disposal unit, unscrew the P-trap assembly under the sink and the. Strainer! `` follow the pipe cutter and the hacksaw according to.... Was encased in duct tape so i started pealing how to remove sink pipe from wall tape off to see another again... Way to release a clog and i am attempting to fix it myself ( first though.