You may have to spray some lubricant on the nuts of metal traps to loosen the threads. How to Replace a J-Bend in a Bathroom Sink, Family Handyman: How to Replace a Kitchen Sink Basket and Old Metal Trap, How to Change Metal Pipes to Plastic Under the Kitchen Sink, How to Replace Bathroom Sink, Waste and Supply Lines, How to Repair a Hole in a Steel Drainpipe Under the Sink. Loosen the connector’s grip until it is loose enough to open with bare hands. Pull the traps away from the connections, turn them upside down to drain water into the bucket, and set them aside. This is a common problem in most households but instead of using electrical tape, duct tape or wooden supports this one technique could solve the problem once and for all and you can do it without calling in the plumber! Removing the old plumbing is the first step to replace a kitchen drain pipe. The hot and cold water supply under the sink is turned OFF at the valves. The pipes under your kitchen sink can look daunting, especially if you have two sinks, but it's easier than you think to replace a sink drain pipe, even if you have little plumbing experience. Ever opened the kitchen cupboard and wondered what is going on in there? Neither has any effect on a compression fitting other than to possibly make the leak worse. Tighten any leaking connections with adjustable pliers. Pour 4 cups of boiling water down the drain if the warm water fails to work. Some pipes are plastic and some are metal. Your email address will not be published. To overcome this challenge, you can spill some little amount of penetrating oil on the lock. Now, you can remove the one under the sink. After shutting off the water service, open the faucet for discharging leftover water flows. The kitchen sink strainer is tightly secured below the sink by a locking nut. In addition, run the cold water enough to form a continuous thin ribbon. How do I Install a PVC Drain Fitting Kit for a Double Sink? Removed the brillo pads and cleaners to find a little leak on a pipe and thought what is that pipe doing? Next, put buckets under the water supply lines, disconnect the lines with an adjustable wrench, and remove the drainpipe with pliers. Leaking drains are very irritating. Disengage the connector ring from the tailpiece with your hands.Â. Top 9 Best Lunch Bags for Women in 2020 Reviews, How To Replace Kitchen Sink Drain – 8 Easy Steps. If the drain pipe is in the floor, extend the tailpieces to a point about 2 feet above the bottom of the cabinet. The cold water supply line from the wall is dripping water slowly. Use the appropriate procedure to replace the kitchen sink drain pipe and connect the tailpiece to the drain strainer to the appropriate degree of tightness. Living in denial. Fill the sink after completing assembly. Assemble the pipes with compression fittings, tightening the nuts by hand, until you're ready to install the P-traps. One of your sinks may have a garbage disposal. Assemble that end of the trap and tighten the nut. Therefore, you will not come into contact with water supply pipes, but precaution is of utmost importance. The main parts of the plumbing that you'll replace usually come off easily, but you may need a few tools to loosen a stuck pipe. Drain Washer Drain Hose: Used to pump water. This is a safety precaution that ensures that your work is not messed up even if you accidentally turn on the water faucet. If they're too short or corroded, they may be causing leaks. Replace Kitchen Sink Pipes Step One – Take the Old Drain Apart Disassemble the existing drain assembly so you can remove the strainer, which most likely is the leaky culprit. Garbage Disposer: A device installed under the sink between the drain and the trap and used to grind up and wash away food scraps and other kitchen refuse. Pipes under kitchen sink keep coming apart? Tighten the compression nut by hand so that you’re unable to slide the pipe along the tailpiece. Push-fit, or push-in, shutoff valves are very easy to install and can be used with copper, PEX, and CPVC pipe. Plastic pipes do not require the same level of expertise to repair that metal pipes require, and the pipes are cheaper to replace … Go under the cabinet with a flashlight and inspect the faucet hoses. Having a leaking sink drain is both stressful and tiresome. Push 1 cup of baking soda down the sink drain. As a landscape builder, he helped establish two gardening companies. Yvette Eddy started contributing to Nestlods.com in the summer of 2019. If so, the trap connects to it in the same way that it connects to a tailpiece. Installing a new kitchen sink and would like to know how to clean up all the pipes in there to maximise kitchen cupboard space? If the traps were connected to a common tee, unscrew that connection and remove the tee. Likewise, replacing a collecting bowl under your sink can be quite tricky. Dry-fit the piping assembly by attaching it to the sink drain. If the faucet isn't leaking, fill the sink with water, then let it drain and watch for water dripping from the P-trap assembly as the water flows. To loosen the ring, a pipe wrench is required. Whether you have a leak or just want to replace your old pipes with new ones, choosing to replace kitchen sink drain pipes can be very scary. If not, add a tailpiece to make up the distance, cutting it to the needed length. The curved pipes, which are called P-traps, connect to the sink drain and waste lines by compression fittings, and you can often unscrew these without a tool. This, among other scenarios, can compel you to make replacements on the drainage system. If you don’t have pliers, you may use a fork. This is the most common reason for a leak in your kitchen sink drain pipe. How to repair a leak under the sink how to install a kitchen sink drain kitchen sink plumbing how to replace replace a kitchen sink drain strainer. Having to continually take out jars or buckets of water from the sink cabinet is not something you should put up with. The locknut is tightened using a wrench while holding the drain strainer with nose pliers to prevent it from turning around. Once the lock nut is tightened, the plumber’s putty, rubber washers, and other sealing components lie perfectly in the strainer, ensuring that the drain does not leak.Â, Use the appropriate procedure to replace the kitchen sink drain pipe and connect the tailpiece to the drain strainer to the appropriate degree of tightness. A little push is applied from the bottom of the sink to break it free from dried up plumber’s putty. It’s very simple to replace as well: Gently remove the old drain seal with a pair of pliers. With the old pipes out of the way, you're ready to install your new pipes under the kitchen sink. Carefully tighten the connector with a … Screw in new tailpieces that are long enough to extend to the same level as the top of the drain pipe in the wall. To prevent frozen pipes under the kitchen sink, when you know temperatures will drop around the freezing mark, keep kitchen cabinets open. Carefully put the strainer down into the drain hole without messing with the putty applied. Plug the kitchen sink and fill it halfway with lukewarm water. Disassemble any other pipes in the same way. Preventing Frozen Kitchen Water Lines. Many of us put alot of items under the kitchen sink, some of us even hang items from the drain pipe. Required fields are marked *. Open the drain to let the water out and check for leaks. Put a bucket under the curved portions of the P-traps and turn the water valves off so you don't get soaked if someone runs the faucet while you're working. Her articles cover all aspects of human transformation, including love, partnership, self-love, and inner awareness. How to Install Kitchen Sink Plumbing Step 3: If the kitchen sink plumbing pipes are old, replace the whole works How to Install Sink Drain Pipe Photo 1: Connect the tailpiece to the strainer Attach the tailpiece to the basket strainer, but don’t fully tighten it yet; you’ll have to remove and cut it later. Clean off excess putty that has been squeezed off from the sides when pressing the drain strainer. Your Under-Sink Pipes In many cases, leaks are located on a joint related to the waste water pipe. Using a ring connector, secure the drain pipes to the protruding end of the tailpiece. To remove one, unscrew it from the drain by turning it clockwise with adjustable pliers. Inspect the configurations of the pipes, taking measurements with a tape measure if necessary, so you can buy the right components and cut the pipes to the right sizes. On several occasions, you may need to replace the kitchen sink drain. Don't try to stop P-trap leaks with plumbing tape or pipe dope. The last one where it goes into the floor. Most of all, don’t turn the heat way down just because you won’t be home. This step may, however, be somewhat unimportant as you will be working under the sink bowl. The sink drain tailpiece and the P-trap are joined and held tightly together by a connector ring. Connect the drain inlet to the sink tailpieces using the compression nut. You won't have to worry about an extra trap, extra pipes or a tee if you only have one sink. We placed the sink in exactly where we wanted it and waited a few hours for it to dry and hold. How to install the kitchen sink drain pipes - … Carefully tighten the connector with a wrench, and you are good to go.Â, Release the shut-off valves and turn on the water supply. Most people have seen the funny skits on TV where someone works on the drain and ends up covered in yuck and water. This is a safety precaution that ensures that your work is not messed up even if you accidentally turn on the water faucet. Use a pipe that's the same diameter, either 1 1/4 or 1 1/2 inches. Check the piping and drain line for any loose fittings. To replace your top-mounted kitchen sink, start by shutting off the water supply valves, then turning on the faucet to drain any remaining water from the line. If they're even slightly out of alignment, the compression fittings won't seal, and the pipes will continue to leak. Remove the drain tailpieces if necessary. Check the sealant around the sink drain and faucet for any faulty caulk. My water supply valve under the kitchen sink leaks. Therefore, if you identify a leak in the sink drain, it could result in the malfunctioning of the sealing component or a loosening locking nut.Â. Wait 5 minutes to allow the solution to work on the clog. This step may, however, be somewhat unimportant as you will be working. For the kitchen: Put the tailpiece washer into the flared end of the tailpiece, then attach the tailpiece by screwing the slip nut onto the sink strainer. The tailpiece is disconnected from the bottom of the strainer by unscrewing it in a counter-clockwise movement until it comes off. Open the cabinet under the sink, pull the drain plug and shine a flashlight on the sink plumbing as the water drains. They are also removable, using … Since the nut is metallic, there is a likelihood of it rusting over time due to the humid conditions. Run some water through the drain and wait and see if tightening stopped the leak. I am replacing the faucet in my kitchen. Now keep a bucket under the sink for storing leftover drips from the loosen vales or pipes. How To Replace Water Pipes Under Kitchen Sink. Even when the tell-tale signs of a broken sewer pipe under a slab or a collapsed drain in the kitchen raise their ugly heads, we’re fairly good at ignoring them. Use a circular saw to make your cuts. Check all the pipes underneath the sink, including the cold and hot tap feeds, for any signs of drips or moisture. © Copyright 2020 Hearst Communications, Inc. Attach the outlet of the P-trap to the waste drain with the pipe you prepared for that section. on Jul 08, 2010. That may be the only other joint that you have to loosen. Block off the water supply by shutting off the valves in the sink cabinet. Press the strainer down slightly to achieve an even, strong seal between the strainer and the skin’s surface. How to Replace a Sink Trap. Save my name, email, and website in this browser for the next time I comment. Besides having an abiding interest in popular science, Deziel has been active in the building and home design trades since 1975. Crawl into the underside of the sink and fix the rubber-seal washer and a friction protection band and tightly replace the locknut. Cut a sheet of plywood to fit this area. Tailpieces are mostly threaded. In this article, we provide a precise and straightforward guide on how to replace the kitchen sink drain. Put a bucket under the pipes to catch water then if any pipes are loose, try tightening the connection. Give the oil some time to get into the rusted threads for it to weaken the lock. Cut new pipes with a hacksaw to match the ones you removed. In the picture below, the strainer is the black section just below the white bottom of the sink. Therefore, care should be taken when pushing, to avoid throwing the entire sink basin from the countertop.Â, The surface where the basket strainer rested is left dirty from gunk, rust, and scraps of the dry plumber’s putty. It is even more appropriate to allow the oil to seep through the lock nuts overnight. Cut a new piece of plywood to fit. If it doesn't turn easily, use adjustable pliers. The key to installing the new pipes is getting a precise fit and tight connections to prevent leaks. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. Then, eject the main water pipe, through which, water goes to the supplying valves, with a wrench. Unscrew the P-trap connections to the sink tailpieces, which are the pipes extending down from the sink, and the drain.