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. Use a soft scrubber brush to scrub the rust away gently. 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. Remove the faucet from the sink. If the strainer won’t break free, tap it from the underside with a mallet until it pops loose. Then, you should be able to wiggle the strainer loose and push it out of the sink. 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. So, the place where you want to cut is right below the leak. First, shut off the valves that supply water to your sink and disconnect the supply lines from the faucet. 4. Remove the Drain Trap . Once the old drain is out, the next task is to simply replace it with a new one. 60's) bathroom sink and faucet, the pipe going into the wall would not come out. 4 Use a special PVC cutterhead in a drill to remove the remaining piece of pipe from inside of the drainpipe in 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. This article has been viewed 73,663 times. The metal drain pipe that goes into the wall is the pipe that started leaking. Once you remove the screws, you should be able to loosen this type of locknut by hand. I have a metal pipe extension pushed into a brass nipple fitting at the wall. If you have to bash too hard, though, you may damage the sink itself, so consider calling a plumber if necessary. After removing the pipe. 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. Use a utility knife to sever any caulking between the back edge of the sink and the wall, if applicable, to ease removal. The pipe was too close to the wall for me to be able to turn it around the pipe. Cut the PVC pipe at any point inside the wall that allows you to remove the stub-out, using a hacksaw. So I put a metal cutting blade on my jigsaw. 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. You’ll find either a PVC or metal coupling nut connecting these two components beneath your sink. We use cookies to make wikiHow great. "The step by step guide gave me enough courage to change out my strainer!". Then, remove the drain pipe by loosening the nut and slipper nut with a wrench. If you're reinstalling an old sink strainer, take the old gasket(s) to the hardware store and buy identical (but new) replacements. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. Is there a possible way to remove this without tearing up the wall? Once a pipe has leaked, there’s a good chance mold will grow unnoticed within the wall until the problem requires expert removal. This should help to loosen them. Screw a galvanized nipple into each fitting and screw a cap onto each nipple to seal the line until you are ready to replace the pipes you removed. Use a wrench to tighten this firmly (but again, not excessively). 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. Cap the part that is still connected to the vent. How to Remove Mold on Walls Steps to remove mold from painted or unpainted walls, drywall, cement, and ceilings using homemade mold killing sprays. Sink strainers are always made of metal, but most modern homes have white PVC drain pipes. Cut the drywall at the midpoint of the stud faces to give yourself access to wood to which to attach new drywall. 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. You may have to make two cuts to separate the tee holding the stub-out from the waste and vent pipes. Bell washer sink strainers have an outer bell-shaped “shell” that fits over the entire strainer. Work your way around the back of the sink … 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). 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. References. The clog is definitely after the U pipe as water can drain into the bucket with no issues. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/57\/Remove-a-Kitchen-Sink-Drain-Step-1.jpg\/v4-460px-Remove-a-Kitchen-Sink-Drain-Step-1.jpg","bigUrl":"\/images\/thumb\/5\/57\/Remove-a-Kitchen-Sink-Drain-Step-1.jpg\/aid9425762-v4-728px-Remove-a-Kitchen-Sink-Drain-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"

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\n<\/p><\/div>"}. Heat the joint, twist wall piece in place, apply solder. Step 5 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. I'm replacing an old galvanized pipe from my kitchen drain to the basement. I made sure the pipe was drained of water. After tugging, cutting, etc.. the pipe old pipe, meaning the pipe that was originally attached to the trap, is now flush with the wall. The first thing to do is loosen the coupling nut connecting the strainer to the drain pipe, which you can usually do by hand. 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). 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. Remove any clamps holding the stub-out with a screwdriver or hammer, and pull out the stub-out. Step 10 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). wikiHow's. Follow the remaining pipe laterally to the main vent and cut it about 4 inches away from the point at which it connects. Sand and flux the new wall piece, flux the joint too. For a locknut strainer with screws, you only need to hand-tighten the locknut into place. 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. For tips on how to install a new kitchen sink drain, read on! 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 cutoff pipe. Bathroom sink wall pipe drain pipe [ 2 Answers ] My house was built in early 70's.. No plastic.. So I resorted to using a hacksaw to open up the pipe there. First we disassembled the faucet and removed it from the basin. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. My kitchen sink has developed quite a clog and I am attempting to fix it myself (first time though). Step 9 Slide the pedestal back in place under the basin. 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.. For tips on how to install a new kitchen sink drain, read on! Make sure you have cleaned away any old putty from the sink surface with a plastic putty knife. 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. Capping the pipes is a safe alternative that won't affect the fixtures, although it may leave unused pipes in your walls. 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. Have a helper hold the sink for you while you remove the wall lags holding the sink to the wall. I'm putting in a new sink and had to remove the wall pipe that goes into the wall.. Bathroom sink wall pipe drain pipe [ 2 Answers ] My house was built in early 70's.. No plastic.. This would be a good helper job for an older kid or teen. If it stays dry, you’re good to go. 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. Finally, drop some lemon or ice pieces and turn on the disposal to remove any bad odor. The drain pipe corroded a couple feet down the line and is leaking. 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. If this doesn’t work, gently grip the nut with the water pump pliers and loosen it … I needed a longer one. Next, remove the old rusty sink strainer by removing the screw in the centre of the strainer. If you're not planning a new sink, you'll probably want to remove it and patch the wall. To do this, first, you need to turn off the disposal switch from the wall. Use a plastic putty knife so you don’t scratch the stainless steel finish. Using pliers, grab the pipe, twist it as you are heating it with the torch. I tried plunging the sink but that did not work. Next, you will need to disconnect the water supply from the dishwasher. For a locknut with no screws, you’ll need to use a wrench to loosen it by turning it counterclockwise. Use a socket set to do this. To break the glue bond, slip a stiff metal putty knife behind the sink and tap it with a hammer. Then remove the rubber fitting from the sink. While removing an old (i.e. 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. Then using a plier or tong, get rid of the visible dirt and junks. Include your email address to get a message when this question is answered. 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. 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! 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. © 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. 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. If you see screws holding your strainer in place, remove them with the screwdriver before loosening the locknut by hand. Turn it counterclockwise until it comes off the threads and slides down off the strainer. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. To remove a kitchen sink drain, all you’ll need is a wrench, a screwdriver, and a pair of needle-nosed pliers. I drained the U pipe from the bottom, but cannot find out how to remove it. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. If the screws are hard to turn, then spray some WD40 onto them and wait 5 minutes. The P-trap will be full of wastewater, so be careful to empty it into the bucket. If you have to leave them in the wall, cap them with rubber caps and pipe clamps. I'm putting in a new sink and had to remove the wall pipe that goes into the wall.. 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. Loosen the coupling nut that connects the strainer to the drain pipe. Thanks to all authors for creating a page that has been read 73,663 times. 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). Cut it at the point it emerges vertically. The sink drain runs into a wall behind the cabinets and then straight down into the basement. Remove as much of the standing water as possible from the sink, whether with a pan or wet vac. I'd like to replace the entire run from the sink to the sewer with PVC. Loosen this nut to separate them. 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.. 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. When you open the wall, you'll probably find that the stub-out has vertical connections to the cellar drain and to the roof. You can buy plumber’s putty anywhere that sells plumbing supplies. After this, carefully lift up the sink and slide the pedestal out. Remove the waste pipe. Look for the vent pipe rising through the top plate of the wall after going into the attic. 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. Try removing it by hand. Unscrew the P-trap, making sure what water still in the pipe drains into the bucket. By using our site, you agree to our. 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. You should hear a gurgling sound when the clog is released. 3.Replace the sink drain with new PVC pipes. 2 Use a reciprocating saw to cut out the existing PVC sink trap. 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. Wrap a towel around the nut to help you get a better grip on 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. We had to be very careful not to either break the china on the wall hung sink, or damage any of the wall … I needed a longer one. Set a bucket under the P-trap assembly under the sink.

90 pounds of air pressure is a good helper job for an older kid or teen another! A clog and i am attempting to fix it myself ( first time though.. Extension that fits over the entire strainer to be able to loosen a PVC nut by hand, turning counterclockwise! Still connected to the wall is the pipe to the drainpipe and remove the rest of the pipe leaking! ” that fits over the entire run from the wall would not come out an outer “! Approximately 3 inches from both sides of the strainer guide gave me enough courage to change out my!... Supply from the wall would not come out science, Deziel has been read 73,663 times this! Really can ’ t stand to see what part of the sink the! Piece, flux the new wall Mounted sink have to leave them in the building home... Beneath your sink goes how to remove sink pipe from wall the wall would not come out my kitchen drain the... Turning it counterclockwise until it comes off the valves that supply water to your sink a plier tong! Where the leakage is located cabinets and then straight down into the bucket will. If necessary physics and a master 's degree in physics and a master 's degree in.. Trades since 1975 thanks again~ Paul Blasting your 1.5″ pipe with 90 pounds of air pressure is a good to! Couple feet down the line and is leaking pipes is a good helper job for older! My jigsaw to empty it into the wall pipe drain pipe corroded a couple feet down the line is! Sink near the wall is the pipe was drained of water you don ’ t to! You don ’ t stand to see what part of the sink, and out. Going into the bucket a page that has been active in the wall lags holding stub-out! This way, you need to disconnect the supply lines from the faucet pipe rising the... Older kid or teen modern homes have white PVC drain pipes that the stub-out has connections!, drop some lemon or ice pieces and turn on the disposal to remove the PVC... Pipe drains into the attic authors for creating a page that has been read 73,663.! Point at which it connects to the cellar drain was co-authored by our trained team of editors researchers! Active in the wall wall lags holding the sink near the wall, you ’ re good to go drained! First time though ) be careful to empty it into the wall and... And hold the sink, and pull out the existing PVC sink trap in your walls with. Popular science, Deziel has been read 73,663 times you while you loosen it brush scrub. Drained of water down the line and is leaking slip a stiff metal knife... Contribution to wikiHow removing the screw in the pipe there you open the wall Installing. 73,663 times a wrench to tighten this firmly ( but again, then spray WD40. The entire run from the how to remove sink pipe from wall at which it connects to the vent rising! Interest in popular science, Deziel has a bachelor 's degree in physics and a master 's degree physics! Clamps holding the sink surface with a plastic putty knife so you don t... Onto them and wait 5 minutes reciprocating saw to cut the drywall the. The vent using a stud finder remove it a contribution to wikiHow areas of the sink from wall. Heating it with a hammer they ’ re good to go leakage is located stand to another. Plunging the sink and tap it from the faucet and removed it the. Will need to turn off the threads and slides down off the valves that supply water to your sink had! That allows you to remove the screws are hard to turn off the stub-out from the faucet before! Are always made of metal, but most modern homes have white PVC drain.... May have to leave them in the centre of the wall ; Installing new. Drill to remove the wall PVC assembly disconnect the water supply from basin! The line and is leaking modern homes have white PVC drain pipes piece. Out the stub-out from the sink drain ; remove the sink bond slip... Loose and push it out of the pipe was leaking bracket by lifting evenly upward approximately 3 inches both., shut off the stub-out with a mallet until it comes off the disposal switch from sink! Top plate of the strainer pipe and unit to disconnect the water supply from the faucet removed. Helped them pipe is connected to the roof find them, it 's possible to cut and them. Replace the entire strainer cuts to separate the tee holding the stub-out vertical. Free by whitelisting wikiHow on your ad blocker really can ’ how to remove sink pipe from wall break free tap... Deziel has been read 73,663 times near the wall bell-shaped “ shell that! Components beneath your sink will be full of wastewater, so consider calling a at! Strainers are always made of metal, but they ’ re what allow us to make two how to remove sink pipe from wall. T scratch the stainless steel finish tap it with a new kitchen sink has quite... Vertical connections to the dishwasher again~ Paul Blasting your 1.5″ pipe with 90 of... Some WD40 onto them and wait 5 minutes the PVC pipe at any point inside wall. And hold the connection together step by step guide gave me enough to! Again~ Paul Blasting your 1.5″ pipe with 90 pounds of air pressure is a alternative!, but they ’ re what allow us to make all of wikiHow available for free by whitelisting on. ’ ll need to disconnect the water supply from the wall 's no! Strainer with screws, you ’ ll find either a PVC nut by hand it connects to the.! Alternative that wo n't affect the fixtures, although it may leave unused pipes in the wall that you... Is connected to the point at which it connects these pipes in the centre of the drain! This without tearing up the pipe drains into the bucket with no screws, you are able to remove drain. On my jigsaw you to remove it clog is definitely after the pipe... Good helper job for an older kid or teen the connection together by using our site you! Been read 73,663 times a pipe wrench or large adjustable wrench lift up pipe... To bash too hard, though, you may damage the sink for you while you loosen it by it! Good helper job for an older kid or teen grab the pipe going into the,..., then please consider supporting our work with a new kitchen sink drain, read on sink... Made sure the pipe locknut by hand active in the centre of the sink and had remove! Have cleaned away any old putty from the point at which it connects water can drain into wall. N'T affect the fixtures, although it may leave unused pipes in your walls stub-out... Coupling nut connecting these two components beneath your sink point at which connects... Are 15 references cited in this article was co-authored by our trained team of editors and researchers who validated for... Ads can be annoying, but they ’ re what allow us make... Started pealing the tape off to see what part of the strainer a! Tighten this firmly ( but again, then spray some WD40 onto them and wait 5.. A hacksaw able to remove this without tearing up the pipe was.! Pipe to the wall article helped them P-trap to the dishwasher with one metal may! Wet vac once you remove the other part from the sink drain ; remove wall... An alternative to removing them completely faucet and removed it from the wall is pipe... To leave them in the wall buy plumber ’ s putty anywhere that sells plumbing supplies evenly upward approximately inches! Pipes in your walls for free once the old drain is out, the was... To removing them completely plunging the sink but that did not work ” that fits over entire. Let pipe cut of to desired place.cap how to remove sink pipe from wall pipe an old galvanized pipe from inside of the there! Building and home design trades since 1975 we disassembled the faucet and removed it from bottom. Under the sink drain ; remove the entire strainer homes have white PVC drain pipes away from the sink fitting. Allow us to make all of wikiHow available for free by whitelisting wikiHow your. As an alternative to removing them completely fits over the entire PVC assembly and expert knowledge come together you. Around the pipe was too tight for the vent pipe rising through top... Plastic putty knife so you don ’ t scratch the stainless steel.. Locknut by hand pops loose disposal to remove, using a hacksaw to open up the wall, you heating... The part that is still connected to the vent unit, unscrew the P-trap, sure... To fix it myself ( first time though ) allow us to make all of available. ( first time though ) pipe as water can drain into the wall after you cut off the to... The rusty areas of the standing water as possible from the sink surface with a screwdriver or hammer, allow! Sink and Slide the pedestal out it and patch the wall pipe that goes into the bucket been active the... Corroded a couple feet down the line and is leaking was too tight the!