It connects to the trap arm with yet another slip-nut joint. Set a bucket under the P-trap. Clean the pipe threads, on either end, with a clean cloth. Follow with the sink basket, ensuring it is where you want it before you set it to prevent ruining the seal. If the drain kit has one, it will be located at the bottom of the P-trap. Replace bathroom sink drain pipe january 23 2020 lukman foto 0 fix a bathroom sink that won t drain types of plumbing traps and how they natural ways to unclog a bathroom sink how to install a flexible waste pipe the basics of sink plumbing in bathroom. Next, remove the clips underneath, cut away any sealant between the sink and countertop, and lift the sink away from the counter. How To Connect Drain Pipe Under Bathroom Sink. Remove the nut attaching the trap to the sink drain tailpiece similarly. The only difference is the material of which they are made. After shutting off the water service, open the faucet for discharging leftover water flows. Replace old gaskets and fittings before reassembling. Turn off the taps, but also close the valves under the sink. If the coupling seems snug but the leak continues, unscrew the coupling to detach the joint. Inspect the leaking area carefully to determine if a fitting is loose and causing a drip. This is where the two supply lines will come up through the floor of the cabinet. If you're working on a sink with two basins, use a continuous waste T-fitting to join the tailpieces. Loosen and remove the couplings on either end of the P-trap. The pieces of the pop-up under the sink are the pop-up tailpiece and the horizontal rod that moves the stopper up and down in the sink. Be the first to comment Leave a Reply Cancel reply. First turn every water supplying valves off by hands or wrench, usually, the “shut down switch” attached under the sink water supplying line. Pull out the section and unscrew the cut pipes from the fittings with a pipe wrench. You simply slip a nut onto the waste drain and press it against the other pipe, then hand tighten the nut. © Copyright 2020 Hearst Communications, Inc. You can also replace the galvanized pipes with CPVC ones, which are similar to PVC but rated for use in residential water lines. © Copyright 2020 Hearst Communications, Inc. Before you start, put on your gloves to protect your hands from any contaminated or decayed material that you might come in contact with during the process. Drain Pipe . So you reach under the kitchen sink to grab some paper towels or some dish soap and everything is soaking wet. If yours is an older home, you may have galvanized steel water pipes in the walls, and if you do, your water system may not be functioning optimally. And then, one day, it happens. How to replace a drain pipe in bathroom sink. It's just one of those things, hidden away, that serves its purpose with little attention. Karie Fay earned a Bachelor of Science in psychology with a minor in law from the University of Arkansas at Monticello. Treat old metal pipes or chrome pipes the same as PVC. Follow with a clean rag to remove residue. You just need to install a dielectric union at every joint where the dissimilar metals meet to prevent corrosion. Pro Handyman: Cracked Sink Drain Line - Repair or Replace? Step 6 Make sure the beveled sides of washers face the threaded portion of the pipes. Unscrew the water supply hoses from the faucet with adjustable pliers and disconnect the P-trap by unscrewing the nuts that connect it to the sink tailpiece and the drain. Assemble a new P-trap kit. Remove Drain Pipe Under Bathroom Sink Artcrea. Start by connecting the 2 black pipes. Move a light close to the area to illuminate your work. If you've isolated some problem pipes behind the sink, it isn't difficult to replace them with copper. Center the gasket directly over the sink's drain hole before pressing in place. If you do, you need only screw a CPVC adapter into each galvanized fitting and then assemble the replacement pipes by gluing them with CPVC cement. Applying pipe lubricant on the slip washer will ease installation and ensure a tight fit. Now keep a bucket under the sink for storing leftover drips from the loosen vales or pipes. Shut off the water to the sink. How to replace pipes under bathroom sink Next comes an elbow trap - sometimes referred to as a J-ben which is actually two pieces that attach either to the sink tail piece or to a short slip joint extension on one end and the outside pipe on the other. How To Replace Pipe Under Bathroom Sink. Use a wrench to break free stubborn connections. Squirt or spread plumber's putty or another approved sink sealant over the threads. How to Replace a Tub Spout That Is Stripped, How to Remove Old Sink Drain Pipes in the Wall, How to Replace a Sewer Drain Pipe Indoors, How to Install an Air Admittance Valve Under the Kitchen Sink, Remodel Quick Tips: General Plumbing Supply Parts Tips, Hammerzone: Using A Dielectric Union To Join Galvanized And Copper Water Supply Pipes, How to Fix Broken Galvanized Pipes Behind the Wall in the Bathroom, How to Eliminate a Water Hammer Caused by a Refrigerator Ice Maker, How to Remove Rusted Galvanized Pipe From a Wall. Bathroom Sink Drain Leaking Around Thre Premier Plumbing Inc . Pull the tape measure horizontally across the pipe to the inside wall on the opposite side. How to Replace an Elbow Joint Below a Sink. Replacing a drain assembly on a bathroom sink isn t all that tough. Perhaps the water is backing up in your sink, and you know it's clogged. Insert washers and gaskets where instructed. 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