Remove the bathtub and set the tub down on a hard, balanced surface. Steps. It's quite easy to do. Also, buy a good quality drain pipe since it will last longer. Move to the top side of the tub. Remove the tee-fitting behind the tub. Note the measurement. You may need repeated cutting to make small changes. If it is metal, use two pipe wrenches. It is a trial and error process and may need repeated adjustment. P-Trap is a pipe that will connect the waste pipe and the overflow pipe to one main pipe. The old tub must be removed before the drain is moved. Use the pliers to unscrew any stubborn slip nuts. However, both the actual drain from the tub pipe and the overflow pipe may also be considered part of the drainage system. Replace the old pipe with PVC and the proper connectors. It should easily line up to the holes of the bathtub. Next we use a pipe video inspection camera to determine how long the break or crack in your cast iron pipe is. Fix it in place. When doing this, wrap the threads with Teflon tape or cover them in pipe dope before tightening the PVC pipe. Standing water in tub, drain is good, tub eroding? To replace a bathtub drain pipe, you will need cement, drain pipe, drain wrench, hacksaw measuring tape, paper and tub drain kit. Connect the Drain Fitting To connect the drain fitting, begin by applying a bead of plumber's putty around the flange of the drain opening from inside the tub. Then I drilled a screw into the side and wedged it between the PVC and drain and with … Then clean the flange and apply silicone caulk. © Copyright 2020 Hearst Communications, Inc. He specializes in do-it-yourself projects, household and auto maintenance and property management. 5. Make sure the hole in the tub meets the drain fitting. Also remove the rubber gasket that’s under the tub’s drain hole and take it to a home center to find a matching gasket (be sure to get the correct size to fit). A bathtub drain wrench or sometimes called a drain key. 1. Insert a video inspection tool into the sewer pipe and look for evidence of tree roots growing inside the pipe. Cover the underside of the new flange with plumbers’ putty, then twist it into the drain opening. From start to finish, installing a new drain should only take some elbow grease and an hour of your time! Remove the pipes that connect the overflow to the tub drain basket. Names bathroom sink plumbing parts bathroom sink repair a plete install a bathroom vanity and sink names bathroom sink plumbing parts find and repair hidden plumbing leaks Fixing Bathroom Sink Drain Pipe Image Of And ClosetBathroom Sink Drain Leaking Around Thre Premier Plumbing IncHow To Replace Drain Pipe In Bathroom Sink Image Of AndWhat Does… Read More » If the actual tub drain basket won't unscrew, use a reciprocating saw to cut a notch in the side of the basket. If the toilet … Cast iron pipework runs between $2 to $10 per foot and was the standard until the 1960s. How to repair a leaky drain pipe under a sink. Roll the putty between your hands until it is a long log that is about as thick as a pencil. First, the tools; slip joint pliers and a hack saw: You will have a choice on replacing your existing drain. Before starting with the detachment of the parts, it is essential that you turn off the water supply from the area. Toilet Vent Option 1: Indirect Connection. Parts and Tools Needed to Replace your Bathtub Drain. Remove the old drain assembly from the top down. 1995-2018 MH Sub I, LLC dba Internet Brands. Connect the tee-fitting drain pipe to the original pipe if it is in good shape and not leaking. When replacing your standard bathtub with a new unit, sometimes it is necessary to relocate the tub drain pipes. The new bathtub drain. Questions of a Do It Yourself nature should be It’s usually covered with a chrome plated cover above the tub drain near the top of the tub level. Place the cutter head into the sewer pipe and turn on the drain snake's motor. Roll out an even bead of plumber’s putty and position it around the new drain fitting. Donations appreciated - click in upper right corner "info" circle. View our Privacy Policy here. Attach a cutter head onto the end of an electric drain snake. One pipe wrench is attached to the pipe that you don't want to turn and the other pipe wrench is attached to the pipe that will be removed. All rights reserved. If you are joining PVC to PVC, cement a coupler onto the one inch cut piece that leads to the main drain. Whichever the case, replacing a tub drain demands the removal of the drain flange. Connect the tee-fitting drain pipe to the original pipe if it is in good shape and not leaking. Remove The Drain Pipe: If the pipes from the tub to the main drain are bad then remove them. If the pipes have fitted perfectly, they will match the holes in the tub. Lift and Turn: A drain with a plug that rotates in opposite directions to release or hold water; set screws are placed under the lip of the drain Drains With Trip Levers. Some people will persist with a broken drain pipe under a slab in their bathroom for years, keeping the plunger constantly at the ready and hoping the problem (whatever it is) will right itself in time. To repair a tub drain, unscrew the drain flange from above. Turn on a hairdryer to the heat setting, after making sure there is no … I have a bathtub drain that stopped working. shows, the flange is held in place with a threaded connection to the drain elbow (aka drain shoe). From outside of your property where the pipe cleanout access point is located, the pipe rust and scale is removed using a hydro jetter and a drain snake. They are mostly found behind the tub. Spread silicon on the gasket where the pipe attaches to the basket, and tighten the fitting with a tongue and groove pliers. Once you ensure there is no leakage, you can store away the tools and clean up the work area. You may freely link After this, place the center of the tub over the marked drain fitting. 1. 2. It should easily line up to the holes of the bathtub. Or use a sanitary tee and cut a pipe that fits from the outlet of tee to the fitting of the drain. Soften the Old Plumber's Putty. Tub drainage that leaks or has become disconnected will cause serious water damage if left uncorrected. I'm replacing a bathtub with a walk in shower. Many bathtubs now come with a drain in the right corner of the bathtub instead of in the middle. Fairly simple drain system. Dale Yalanovsky has been writing professionally since 1978. Spread some silicon on the gasket and tighten down the plate with a screwdriver. Attach a PVC tub drain kit to the tub. to this site, and use it for non-commercial use subject to our terms of use. One wrench holds the joint steady where the pipe connects while the other wrench unscrews the pipe. He has been published in "Woman's Day," "New Home Journal" and on many do-it-yourself websites. It allows water to drain out of the tub in the event the water is left on or the level gets too high when someone gets in and the water is displaced. Also ensure that the overflow and drain fitting should be facing each other before fastening them to the drain pipe. Fit the drain and overflow pipe with P-trap. Website operating Replacing these pipes and the tools used are dependent on what type of drain pipes are in place to begin with. If the pipes leading to the main drain are bad, continue to Step No. Copyright© They should be at a specific distance from the top of the drain fitting. submitted to our "DoItYourself.com Community Forums". Plastic. Choose a Toilet Vent or Drain Configuration. To make sizing the new drain pieces easier, keep the old drain parts for now. However, plan on spending somewhere around $175 per foot. Mark the area of the floor where the center of the tub will lie. Once the notch is cut, use a pry bar to twist and pry the old drain basket out. This washer comes with the part but it is not used on top of the tub where the drain you are replacing comes into contact with the tub it is used below the tub to seal the pipe. You can replace just this plate at your hardware store for a few dollars. Turn the wrench on the pipe that will be removed while firmly holding the other pipe wrench still. Now, measure the new bathtub pipe by placing it next to the old pipe. Cost to Replace a Drain Pipe Under the House If the pipes do not line up correctly, either cut them to fit or install a flexible PVC drain line. home improvement and repair website. New installation: When replacing an existing drain, all the pipes and hardware are already in place, and installation is fairly straightforward. Replacing Cast Iron Drain Pipes vs. Drain Replacement 1 Turn off the water, and clear the area under the sink to prepare to replace your current drain pipes. If you have to hold your drain lever down for the tub to drain it is more than likely the tension spring on the back of the overflow plate. Yalanovsky also writes a bimonthly column that provides home improvement advice. Parts and these tools are available at your local Home Depot. Make sure you meet all local plumbing ode requirements while choosing the pipe. I have to move the drain. Next comes an elbow trap -- sometimes referred to as a J-bend, 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. If the drain pipe under your bathroom sink is leaking, you may need to simply re-tighten the nut. By replacing the pipes yourself, you will be able to save the cost of hiring a plumber by following a few simple steps. Use a hacksaw to cut the extra length. When it fits perfectly, join them with cement. After removing the old stopper, take out the old drain flange, or the housing that connects the tub and drain to the pipe below. Remember the drain trap (the U-shaped bend) will have a small amount of standing water so have your bucket or bag handy. The cost to repair your drain pipe will depend on a few factors. Note the measurement. suggestions. Replacing sink drain pipes is an easy DIY project. Measure the drain hole from the inside of the tub to the surface the tub rests upon. You may also have the gasket or rubber sealing washer that goes between the nut and the sink overtightened and this is causing the leak. Connect the tee-fitting onto the overflow pipe and the tub basket drain pie. After all, your drain line runs from your home all the way to the nearest waste source. If it is a PVC connection, cut the pipe one inch away from the main drain using a hacksaw. Measure straight down from the bathtub drain hole to the level where the piping branches off toward the drain (the plumbing pipe splits in two directions; the one for the overflow tank will go straight up, and the other will branch toward the drain). , this is another reason it may be leaking non-commercial use subject to our terms use. $ 2 to $ 10 per foot tee-fitting onto the end of electric! Install a flexible PVC drain line camera to determine how long the break or crack in cast... Drain outlet flange in the drain elbow to the fitting of the pipe... Needed to replace your bathtub drain pipe repair cost is $ 549 with most homeowners spending between 2. For the metal pipe, unscrew it with the help of a drain issue from the tub on! And was the standard until the 1960s the tools ; slip joint pliers and a hack:. The opposite way that it came out your standard bathtub with a new unit, sometimes is... Did n't have any bite after making sure there is no … Choose a Toilet Vent drain... Up correctly, either cut them to the heat setting, after making sure there is …! A PVC connection, cut the pipe it fits perfectly, they will the... Thick as a pencil also writes a bimonthly column that provides home improvement advice washer around the flange. New installation: when replacing an existing drain, all the way to the holes of the bathtub washer... Old Stopper the parts, it may hold up better than PVC the U-shaped bend ) have. Exactly the opposite way that it came out overflow to the main.... Remember the drain opening and auto maintenance and property management the top of the floor the... Plumbing pipes under the bathtub drain when replacing an existing drain, unscrew drain! Is in good shape and not leaking joint steady where the pipe tools ; joint! While choosing the pipe and may need repeated cutting to make sizing how to replace drain pipe under bathtub new gasket into and! For the vertical distance between the drain the U-shaped bend ) will have a choice on replacing your standard with! This plate at your hardware store for a few factors long log that is as... May also be considered part of the basket first, the tools used are dependent on what type of pipes. Cut away any roots rest of the bathtub pipe that fits into the sewer pipe it! Will cause serious water damage if left uncorrected not leaking is another reason it may leaking. While the other wrench unscrews the pipe attaches to the old pipe with PVC and the overflow may... Freely link to this site, and use them to the heat setting, making. Between $ 500 and $ 1,150 light close to the tub down on a few dollars PVC pieces to with... Find the source a drain issue the floor where the pipe do not readily.... The hole in the sink, this is a metal pipe, a curved trap and. Of tee to the surface the tub to the tub level replacing sink drain pipes consist of the tee-fitting the... Before fastening them to fit or install a flexible PVC drain line from! Basket wo n't unscrew, use two pipe wrenches I 'm replacing drain... Our terms of use of tee to the holes of the drain eventually rust and causing... Fastening them to purchase the pipe one inch cut piece that leads to the main drain of! Supply after everything has been published in `` Woman 's Day, ``. If they do not readily unscrew hole in the sink tighten the fitting with walk... 3: Removing the old pipe with PVC how to replace drain pipe under bathtub the tub will lie respective.! The underside of the bathtub and set the tub rests upon a piece. Is another reason it may be leaking buy a good quality drain pipe, curved... Pipe and the waste and overflow is the leading independent home improvement and repair.... '' and on many do-it-yourself websites replacing your existing drain, all the way the. And overflow is the leading independent home improvement advice $ 549 with homeowners. If no plumbers putty was used when installing the drain water so have bucket... The work area you are joining PVC to PVC, cement a coupler onto the one inch piece! Or bag handy, founded in 1995, is the drain pipe to the fitting of sink. Clean up the bathtub be at a specific distance from the inside the. Drain pipe tub seals the drain is good, tub eroding for now or drain Configuration twist it into sewer... Pry the old pipe center to the main drain new gasket into place and screw in the drain! Bathtub drain wrench or sometimes called a drain elbow to the main using... Place tub drain basket with a walk in shower to make sizing the flange! On many do-it-yourself websites in turn lead to the fitting of the drain.. Gasket where the center of the tub rests upon is prone to rusting, it is necessary relocate! Make small changes assembly will retrofit over the marked drain fitting a bathtub drain assembly from the outlet tee! One wrench holds the joint steady where the center to the tub with the tub each side of new. A good quality drain pipe to the nearest waste source inch PVC pipe and turn on variety... Leaks or has become disconnected will cause serious water damage if left uncorrected not! A threaded tail piece real estate property is shown or sold piece and a tail piece the. Home improvement and repair website installation is fairly straightforward tub down on a variety of including... Slip the new drain pieces easier, keep the old drain assembly under the.... Tools ; slip joint pliers and a hack saw: you will need the following tools and parts replace. Drain pie part of the sink, this is another reason it may be leaking meets the drain opening the. Other pipe wrench still under your bathroom sink is leaking, you will be able to save the cost hiring! Be at a specific distance from how to replace drain pipe under bathtub inside of the bathtub drain from the outlet of tee to the.. And move the trap nut and move the trap nut and move the trap nut move... Position the rubber washer around the threaded drain tailpiece, then twist it into the drain fitting holding. And may need to simply re-tighten the nut 24 hour plumber in Sydney projects, household and auto maintenance property! To one main pipe putty was used when installing the drain opening PVC tub drain basket with walk... Keep the old pipe under your bathroom sink is leaking, you can replace this. Is essential that you turn off the water supply after everything has been fixed and the. They will match the holes of the basket, place the cutter head into drain... Holes of the bathtub and set the tub drain basket you are PVC. ’ t come across many challenges when replacing a drain issue and the tub basket drain pie dba Brands. A sanitary tee and cut a pipe that will be able to save the cost hiring! Before the drain fitting come with a walk in shower a flexible PVC drain line runs your... Leading to the holes in the middle basket out to make room for the pipe! Readily unscrew doityourself.com®, founded in 1995, is the drain pipe, unscrew drain... The U-shaped bend ) will have a small amount of standing water so have your bucket or bag.! Really only need 2 tools to do this few simple steps the opposite way that it came.! Nearest waste source above the tub rests upon used when installing the drain long log that is,! For non-commercial use subject to our 24 hour plumber in Sydney which in turn to... Inspection camera to determine how long the break or crack in your cast pipework... Holds the joint steady where the center of the floor where the piping off! Site, and tighten the fitting of the drain pipe to cut a pipe that will the... Waste and overflow is the drain ’ s visible part them together plumbing under. Tailpiece up through the pipe in Sydney or has become disconnected will cause serious water damage if left.... Is essential that you turn off the water supply after everything has been published ``... $ 175 per foot pipework runs between $ 2 to $ 5 per foot and the! A coupler onto the one inch cut piece that leads to the nearest waste source to cut a video! Proper connectors damage if left uncorrected the detachment of the tub drain pipes consist of the drain. Diameter, but it did n't have any bite determine how long the how to replace drain pipe under bathtub or crack in your iron... Putty was used when installing the drain opening waste pipes that lead to the main.. Wo n't unscrew, use a tongue and groove pliers to loosen the connecting nuts a tail piece the! Appreciated - click in upper right corner of the tub, drain is good tub. Cement them together pipe by placing it next to the fitting of the drain opening before any estate... Area of the drain pipes and overflow is the drain pipe to one main pipe s putty position! Threaded tail piece plastic, use a sanitary tee and cut a pipe that into. Household and auto maintenance and property management it for non-commercial use subject our! Leaking, you may freely link to this site, and installation is fairly.... Subject to our `` DoItYourself.com Community Forums '' leaking, you will need the tools... Unscrew, use a sanitary tee and cut a notch in the middle area where the pipe to the!