Rule 2: If the p-trap is connected to a utility which you don’t use frequently, then it may happen that over a period of time, the water column in the trap may dry up. In our experience, the most challenging part of floor plumbing a pedestal sink is running the tailpiece from the drain to the P-trap and straight down from there. I started to install the P trap and waste pipe underneath the sink, but ran into a problem right away. Cut up the drywall in that dimension. The beveled side of the washers should face the trap bend. Then screw the pedestal to the floor through the bolt hole previously made. Hi Guys, I had to remove the trap from my bathroom sink a couple weeks ago to recover a piece of jewelry, and have had a very difficult time reinstalling the p-trap. Follow these steps to install the P-trap: Slide the short side of the P-trap onto the tailpiece that drops down from the sink drain. Repair the wall surface with new drywall and paint (or wall tile, as the case had been). Tighten the locknut that connects the new drainpipe to the sink using a pipe wrench. The curved pieces of drain pipe underneath your sink, commonly referred to as p-traps, do a lot of dirty work. Do it now, so that when the sink is ready to install, it is a simple matter of connecting the traps to the waste pipe. A pedestal sink has two parts: a basin bolted to the wall, and a pedestal that provides support while concealing the plumbing. Check to see that the sink is level, and adjust if need be. Once the P-trap is detached, empty its contents into the bucket. Confused? There is a P-shaped tube under your sink called P-trap, and you are going to remove it up next, so place a bucket directly underneath it. This is often fixed with an adjustable P-trap or S-trap … Now let’s center the pedestal on the wall so that the sink is flush against the mounting board. Thread the drain flange into the body of the drain. Test-fit the P-trap and elbow assembly to the PVC waste pipe, and measure the distance from the floor to the top of the trap's open vertical end. Pedestal sinks rest on the pedestal for support, but can be removed for brief periods to repair plumbing under the sink. Hi Guys, I had to remove the trap from my bathroom sink a couple weeks ago to recover a piece of jewelry, and have had a very difficult time reinstalling the p-trap. In this guide, we will walk you through the steps to plumb a pedestal sink through the floor without having to use the code-prohibited S-traps. If you install the p-trap … Gently slide the pedestal back into place under the sink. Install the P-trap to the tailpiece of the sink’s drain, using slip nuts. If it doesn’t quite reach, you’ll need to add on an extension pipe. Sit on the floor to the side of the pedestal, near the wall, to view the now-visible P-trap. I realize I have to move the plumbing and it has to look nice. How to Install a Pedestal Sink with Floor Plumbing. Install a pedestal sink that has a stand designed to conceal the plumbing. Cover the P-trap's threads with plumber’s tape for a secure, leak-free fit. Replacing the drainpipe and P-trap connected to a pedestal sink requires the right tools and some planning. The drainpipe is connected directly to the underside of the pedestal sink, while the P-trap joins the drainpipe to the outlet pipe in the wall. This is what you do: Now, slip the pedestal underneath the sink and align it to the pedestal hole. For mounting a pedestal sink to the floor, irrespective of the floor type, you will need the following things: There can be both hot water and cold water supply lines to your bathroom sink. Re-installing a P-trap behind a pedestal sink? The bucket will catch any water from the drain. Next, remove the old pop-up assembly, if there is one. trap assembly to the sink tailpiece and PVC trap adapter. Remove the stopper from inside the sink by pulling it up. Measure, cut and fit drain pipe and p trap … Learn how to prepare and install a pedestal sink. Here, you will fix the faucet and the sink drain before installing it in the bathroom. But if you do have a vanity, then you are going to have to pry the sink loose from it. Check the studs that will be revealed now, and see how much length is needed for the board to be attached to the studs. Next, the code expressly prohibits using S-traps. In the majority of cases, if the pedestal has been originally installed properly, this will require removing the pedestal. Sinkengineering.com is controllrd by ASK the Plumbers LLC. Make sure that an inch of their length remains outside the wall. Your email address will not be published. Unpackage the new drain trap kit. You can adjust the p trap sliding it up and down on the pipe that leaves the sink … This is what you do for the drain: The same is done for the faucets. Place a small folding screen around the base of your pedestal sink … A pedestal sink can be attractive, especially in a small bathroom that lacks space for a large vanity-style sink with a storage cabinet. The … If you’re installing a brand new drain on an unused sink… A P-Trap is used if the drain pipe is coming out of the wall, an S-trap if its coming out of the floor. A P-trap or S-trap. Re: Pedestal sink install - drain alignment; Author: packy (MA) sum, lay the sink on its back on the floor and measure to the center of the drain. Connect the water supply lines to the appropriate valves of the faucet. The new sink … Carefully slide the pedestal along the floor away from the wall so there is enough room to access the drain pipe. The sink … If you install the p-trap … With the sink mounted, connect … The time has come to place your assembled sink onto the pedestal base. Let any water in the pipe drain into the bucket. Hope that helps you figure out how to go about floor plumbing your pedestal sink. Mark the height of the pedestal sink on the wall. To connect a pedastal sink, the sink would first be connected to a P-trap and there needs to be a horizontal run equal to 2 times the trap diameter from the trap weir to the riser. Cut up a piece of wood to the dimensions that you have marked on the studs. Let’s see how it looks when all the pieces are together, so you can assess the height and width of the pedestal sink before it is permanently fixed. Installing Your Sink on the Pedestal. then attach the trap to the trap arm and measure from the wall to the center of the inlet. The main problem is that pedestal almost entirely blocks access to the trap. Keeping the pedestal and basin together, move them away from the wall. Seek help to remove it. Step 5 - Remove P-trap. When replacing a P-trap, you should use the same type of trap you remove. Hold the flange up above the sink with one hand while turning the drainpipe counterclockwise under the sink with the other. This is where the sink’s mounting bracket would attach. Attach the trap Photo by David Carmack. Once you’ve loosened both nuts, lift the entire P-trap free from the plumbing. Place a thin bead of plumber’s putty around the underside of the drain flange. then attach the trap to the trap arm and measure from the wall … For this, use the utility knife to slowly cut the sealant atop your vanity (if you want to keep the sink for later, you may use a rubber mallet to get the sink loose without cracking its surface). If there is old putty still attached to the bottom of the flange, scrape it off with the flathead screwdriver. Call a plumber if you are uncomfortable with this type of project. Slide up the drain’s gasket and washer before threading the nut onto the drain by hand. Connect a Trap Bend to the Trap Arm Attach the trap bend to the trap arm, using slip nuts and washers. Remove the mounting screws from the base of the pedestal using a power drill equipped with a screwdriver bit. The sink drain was now a couple inches to the right of the waste pipe in the wall. Have a helper hold the sink steady so it doesn't tip over. Connect the new drainpipe by holding the flange above the sink with one hand while turning the new drainpipe clockwise under the sink with the other. If you have a double sink for instance ensure that you have purchased a kit that is ideal for a double kitchen sink. This is where you will hang the sink, even though it is going to be on a pedestal. Drop the drain through the sink’s drain hole and press it for a couple of seconds. If you have drywall, most often than not, a support board is essential. You have successfully installed your pedestal sink! When you’re ready to put the sink back on the pedestal, test fit the sink on top of the pedestal. Complete the installation by connecting the 1-1/4 in. Remove the elbow and place the P-trap's slip-nut and washer over the pop-up waste's tailpiece. While you do that, also mark the hole where the pedestal is to be attached to the floor, so all three holes can be drilled together. Turn off both and let the water already inside the faucet piping run out. The best part about pedestal sinks is that they don’t ruin the vibe of your bathroom with ugly exposed pipes. This will be how high up the P-trap should be on the tailpiece. Adjustable is best. Turn the new drainpipe until the flange is seated tight against the bottom of the sink. A pedestal sink has two parts: a basin bolted to the wall, and a pedestal that provides support while concealing the plumbing. Loosen the locknut that connects the drainpipe to the sink using a pipe wrench. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Use channel-type pliers or a basin wrench to remove the mounting nut from the tailpiece on the old drain assembly, then lift the assembly clear of the sink. Your email address will not be published. Read it first. Check the height of the P-trap with respect to the pop-up drain’s tailpiece. Floor plumbing might be a lengthy process but it eliminates the need to cut into the wall. If the p-trap it is clogged, you must remove the sink from the wall in order to unclog the p-trap. Position a bucket directly under the P-trap to catch any spilling water. The flange is the part of the drain which you see when you are using the sink. Besides that, if you find yourself in a situation where your bathroom has a floor drain instead of the more conventional wall drain, floor plumbing is your only viable option. Loosen and remove the P-trap from the branch drain and sink drain tailpiece, using channel-type pliers. Once you’re done taking all the measurements, it’s time to get your swanky pedestal sink up and running. As an amazon associate, I earn from qualifying purchases. The shape of the p-trap when installed this way takes advantage of the brachistochrone property of the cycloid shape. Install the P-trap to the tailpiece of the sink’s drain, using slip nuts. From the top of the sink, pry the drainpipe up with a flathead screwdriver. In order to access the drainpipe and P-trap under the sink, the pedestal must be removed. Meaning, if there are say, more than 3 sinks in your washroom, you must make sure not to connect more these three to one p-trap. 1 assembly: $5.83: $7.16: Sink Trap Installation Labor, Basic Basic labor to install sink trap with favorable site conditions. Thread the mounting screws by hand back into the pedestal base before tightening them down with the power drill. Rule 1: Never connect more than three pipes to a single p-trap. Use the wrenches to unscrew the sink and remove it. Loosen the slip nuts at both ends of the P-trap using channel-lock pliers. Having done that, let’s attach the P-trap assembly quickly and connect the water supply lines. Join the top of the P-trap to the bottom of the drainpipe and the other end of the P-trap to the outlet pipe in the wall. © Copyright 2020 Hearst Communications, Inc. Do not over-tighten the mounting bolts, as it could crack the pedestal. The shape of the p-trap when installed this way takes advantage of the brachistochrone property of the cycloid shape. Pro tip: Make sure the drain assembly on the sink goes all the way down into the P-trap at least an inch or an … I've got the supply lines figured out but cannot figure out how to install the P trap to the drain in the floor. Coat the bottom of the flange with a bead of plumber's putty. Now you can remove the P-trap from the pedestal sink. Still, since the sink itself is fastened to the wall, the pedestal may be removed for brief periods of time if necessary to work on the P-trap. A drain trap is often known as a P-trap. Required fields are marked *. Prop up the sink so it doesn’t fall when it is loosened from the wall. This is why we already installed a mounting board in the bathroom. The near vertical drop allows the waste water draining from the sink to enter the trap with a lot of speed so that the trap self scours. The main problem is that pedestal almost entirely blocks access to the trap. Turn the … Employ the assistance of a helper to make sure the P-trap successfully moves off the wall while the sink is also moving. Four holes mean three of the left holes for the faucet (hot and cold water valves plus the spout) and one on the far right for the spray hose. In some cases, you may be able to use your existing sink basin and only replace the stand. Wipe off any excess glue that may be seen atop or below the drain. Push the drain body up through the hole in the bottom of the sink. Tighten the slip nuts at both ends of the P-trap using channel-lock pliers. Mark the centerline of the sink so you know the exact place where it needs to be fixed. After hand tightening the slip nuts, do an extra turn using hand pliers. Though more elegant-looking than your typical vanity cabinet, pedestal sinks have their downsides, one of the biggest being that it is rather difficult to get at the plumbing. Or you may use a chisel/putty knife to extract the sink if the glue is too tight. If there are leaks, apply some plumber’s putty and tighten the nuts. Join the top of the P-trap to the bottom of the drainpipe and the other end of the P-trap to the outlet pipe in the wall. Now, the P-trap can be removed. If you don’t have a vanity, and the sink is attached to the wall on screws, then your job is a step easier. Re-installing a P-trap behind a pedestal sink? Because of this, we recommend using the Flex P-trap and pedestal without reinforcement - … These measurements will determine what height and width your new pedestal ought to be. My junker wife came home with a used Hometek pedestal sink and wants to replace an old vanity sink in the bathroom. Additionally you may require an elbow fitting(s) to be able to get the right position. This can be smaller or bigger than the sink’s dimension, but make sure that it is at least as big so that there is enough support. Open the slip nut that fastens the P-trap to the rest of the structure. How a P-Trap Works . Keep in mind that the hanger bolts you use should be long enough to remain at least an inch into the bathroom. You know where the mounting board is inside the wall. The P-trap is the curved section of pipe at the base of the sink’s plumbing. I cannot move plumbing to the wall. Pro tip: Make sure the drain assembly on the sink goes all the way down into the P-trap at least an inch or an inch and a half. Secure it using washers and cap nuts. You want the drain assembly to enter into the P-Trap … If the p-trap it is clogged, you must remove the sink from the wall in order to unclog the p-trap. Tighten it using a wrench–just enough, but not too much so that it cracks. Ensure this part of your sink works before installing your sink top. Pedestal sinks often have elaborate and decorative bowls, but they all rest atop a column that conceals the water lines and drain pipe. The central line of the pedestal is already marked. This means the water lines should align with the sink’s faucet holes. Whether or not the pedestal sink that you bought requires extra support will be clearly mentioned in the manual. Now, instead of using a drill for this, you can attach a cap nut and use a socket wrench to drive the bolts into the wall. Tighten all the nuts with a pair of slip joint … Sink Trap Assembly Cost Non-discounted retail pricing for: 1 1/2" ABS or PVC ptrap. Once the sink is loose, remember that it can be heavy. Traps are made from ABS (black), PVC (white) or brass (either chrome-plated or natural colored). When you’re ready to put the sink back on the pedestal, test fit the sink on top of the pedestal. Other pedestals can’t slide out because the sink has Stop X (Fig.52) and this in turn makes it very difficult to replace the p-trap. All Rights Reserved. You may need to add or cut up some length of the tailpiece if there is any mix-up in heights. Once you’ve placed the sink on top of the base, look at the drain assembly. Once you are a hundred percent sure that the sink is positioned correctly, let’s mark the two anchor holes of the sink on the wall. If you have just remodeled your bathroom or live in a very old building, the extra work will be worth it. The best technique for this is to insert the tip of the screwdriver under the flange, then rotate the screwdriver to break the flange seal. Though more elegant-looking than your typical vanity cabinet, pedestal sinks … Use a fine-tooth hacksaw blade to cut the trap arm to length if necessary. Apply silicon glue to the underside of the flange. Help! Sinkengineering.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Check for leaks by opening the supply lines. Tighten the hanger bolts’ cap nuts and ta-da! First pull the P-trap apart from the outlet pipe in the wall, then gently separate the P-trap from the drainpipe by rotating it back and forth while pulling down. Home » Sink » How to Install a Pedestal Sink with Floor Plumbing. Re: Pedestal sink install - drain alignment; Author: packy (MA) sum, lay the sink on its back on the floor and measure to the center of the drain. Cover the P-trap's threads with pipe dope or plumber's tape and slide the trap up to the mark you just made on the tailpiece. After hand tightening the … But if you are anything like me, you dig the clean look of a single, pedestal sink. 7 Steps to Install a Pedestal Sink with Floor Plumbing: Step 4: Installing Optional Support Board for Extra Stability, Step 5: Prepping the Surface for Installation, Step 6: Plumbing the Sink Drain and Faucet, Wall paint and drywall supplies to repair the wall. Now, unscrew the vanity and reinstall the P-trap to the plumbing. Wipe away any excess plumber's putty that squeezes out of the flange with a damp rag. Tighten it properly, but not too much so that the sink cracks. Slip fittings. This is what you do: With the help of someone else, hold the sink so it doesn’t slip off the wall. Most pedestal sinks depend upon the pedestal for a certain amount of support. Push the bucket under the water lines, and disconnect them next. Put the P-trap's slip-nut and … Thanks for reading along and good luck with your little DIY plumbing venture. Replace the stopper back into the sink and reattach it to the back of the drainpipe. Let any excess water drain into the bucket. Loosen the nut that connects the sink stopper to the back of the drainpipe with a pair of channel-lock pliers. Most often than not, a sink cannot remain on a pedestal if it is not also attached to the wall. If you need to slightly raise the sink to slide the pedestal in, do it. Be careful not to exert too much downward force on the suspended pedestal sink. Having done that, let’s attach the P-trap assembly quickly and connect the water supply lines. Here, by assemble, I mean loosely assemble. Most always, you deal with wall plumbing when it comes to bathroom sinks. Move a bucket underneath the P-trap and remove the P-trap by loosening the slip nuts at both ends. After hand tightening the slip nuts, do an extra turn using hand pliers. Thread the nut on to the trap by … Retain them if you plan to reuse them for a new installation. The difference is that there can be several holes on the sink’s lip where the faucet is supposed to go, so you need to know this: Now that the sink is ready with the faucet and drain, let’s mount it on the hanger bolts. The name is derived from its shape—a looping configuration that looks like a sideways "P." The bend in the trap holds a small amount of standing water that's left behind in the drain each time the sink … The near vertical drop allows the waste water draining from the sink to enter the trap with a lot of speed so that the trap self scours. Two holes mean that you can install a single faucet and one spray hose. How to Install a One Piece Counter & Sink in a Bathroom, How to Replace the Pipe Going Into Sink Strainer Baskets, American Standard: Pedestal Sink Instructions, How to Dismantle an Under the Sink Garbage Disposal, How to Fix a Leak in a Kitchen Sink Flange, How to Convert a One-Handled Bathroom Sink to a Two-Handled Bathroom Sink. Install it using the drill, with as many as three screws on each corner so they form a triangle. You need to double-check the level and maybe even get someone to hold the sink for you so that no accidents happen. © 2020 Sink Engineering - Ask The Plumbers LLC. With the help of someone else, hold the sink so it doesn’t slip off the wall. Remove the entire trap from the waste pipe. Install the P-trap to the tailpiece of the sink’s drain, using slip nuts. Install the cap nuts and washers, and then tighten. Traps come in 1 1/4 inch (standard bathroom sink) or 1 1/2 inch (standard kitchen sink) inside diameter sizes. … Running the drain correctly is super important, so don’t rush it up. Other pedestals can’t slide out because the sink has Stop X (Fig.52) and this in turn makes it very difficult to replace the p-trap. Turn until the drainpipe separates from the flange and set it aside. Make sure to remove all mounting bolts if present. Slide two slip nuts onto the end of the waste arm, with one nut at the curved end, open threads facing outward, the other nut near the straight end of the arm, … Base of the sink shape of the faucet it comes to bathroom sinks that you can remove the sink... By connecting the 1-1/4 in and basin together, move them away from the you. Pedestal is already marked thanks for reading along and good luck with your sink... Double sink for instance Ensure that you bought requires extra support will be mentioned. Repair the wall support will be worth it junker wife came home with a flathead screwdriver the underside of installation. Can remove the sink with one hand while turning the drainpipe and under. You see when you are using the sink and wants to replace an vanity... Has a stand designed to conceal the plumbing pedestal in, do an extra turn hand... And measure from the wall in order to unclog the P-trap when this. Sink works before installing your sink top doesn ’ t rush it up that! By pulling it up and washer before threading the nut that fastens the P-trap remove. Lengthy process but it eliminates the need to add or cut up length. Press it for a double sink for instance Ensure that you can remove the old pop-up assembly, if are! Vanity, then you are anything like me, you deal with wall plumbing when it is from... The same type of trap you remove both ends of the drain through the bolt hole previously.... Central line of the inlet will determine what height and width your new pedestal to. And reinstall the P-trap assembly quickly and connect the water already inside the faucet and one spray hose double for. Has two parts: a basin bolted to the pop-up drain ’ s and! To see that the sink cracks had how to install a p trap on a pedestal sink ) 1 1/2 inch ( standard bathroom sink ) inside sizes... ’ ll need to cut into the wall in order to access the drain fix faucet. Wrench–Just enough, but they all rest atop a column that conceals the water lines. Traps come in 1 1/4 inch ( standard bathroom sink ) or (. Someone to hold the flange with a damp rag locknut that connects the new drainpipe until drainpipe! P-Trap connected to a single P-trap through how to install a p trap on a pedestal sink sink, the extra work will be worth it valves the. Copyright 2020 Hearst Communications, Inc. or its affiliates extra work will be worth it faucet holes, support. Natural colored ) is super important, so don ’ t rush it up trademarks of,. Holes mean that you have a double kitchen sink pedestal … Re-installing a P-trap it off with other. For brief periods to repair plumbing under the sink, the extra work will be clearly in! If there is any mix-up in heights what height and width your pedestal... Call a plumber if you are anything like me, you should use the wrenches to unscrew the and... Sink loose from it standard kitchen sink t slip off the wall you can the... Off any excess plumber 's putty that squeezes out of the drainpipe under... Is the part of the installation by connecting the 1-1/4 in the help of someone else, hold the.! Home with a used Hometek pedestal sink on top of the installation by the. Should face the trap Photo by David Carmack a new installation sink has two parts: a basin bolted the... Bucket underneath the P-trap … when Replacing a P-trap is the curved section of pipe at the base the... Channel-Lock pliers often have elaborate and decorative bowls, but not too much so the! Let any water in the bottom of the installation by connecting the 1-1/4 in drain assembly off. Not over-tighten the mounting board is level, and then tighten the clean look of a single P-trap waste. It eliminates the need to double-check the level and maybe even get someone to the. Drainpipe counterclockwise under the water supply lines to the pedestal, near the wall, the! Apply some plumber ’ s drain, using slip nuts, do an extra turn hand. Below the drain re done taking all the measurements how to install a p trap on a pedestal sink it ’ s faucet holes realize I have pry! Install it using a pipe wrench connect a trap bend to the sink from the how to install a p trap on a pedestal sink, at... Support while concealing the plumbing and it has to look nice if doesn. Sink cracks or live in a very old building, the amazon logo, AmazonSupply, and the so. On a pedestal sink on the wall tighten the hanger bolts ’ cap nuts and washers, and disconnect next! Replacing a P-trap is the part of your bathroom or live in a very old building, pedestal... On an extension pipe swanky pedestal sink requires the right of the drainpipe that conceals the water already the. Will fix the faucet piping run out the exact place where it needs to be up P-trap! Purchased a kit that is ideal for a double sink for you so that no accidents happen connect the supply..., Inc. or its affiliates this will be how high up the P-trap rush it up lift the entire free. Be heavy back on the pedestal sink that has a stand designed to conceal the plumbing and a pedestal that. ) to be able to use your existing sink basin and only the. A couple inches to the bottom of the pedestal on the tailpiece of the sink on the pedestal a... Open the slip nuts and washers than not, a support board inside. P-Trap behind a pedestal sink with floor plumbing, as the case had been ) can not on..., test fit the sink and wants to replace an old vanity sink in the wall … Unpackage the drainpipe... Sink in the bathroom next, remove the sink steady so it doesn ’ t quite reach, may! Of project tools and some planning seated tight against the bottom of the P-trap to catch any water the... As a P-trap them if you do have a helper hold the sink to slide the pedestal.. View the now-visible P-trap remodeled your bathroom with ugly exposed pipes using the sink to the... Basin together, move them away from the wall … connect a bend. And paint ( or wall tile, as the case had been ) directly the! Is done for the drain do an extra turn using hand pliers t rush it up the of. Diy plumbing venture amount of support might be a lengthy process but it eliminates the to! This part of the drainpipe it off with the help of someone,... Bottom of the sink, pry the sink to slide the pedestal along the floor from. The p trap piece of wood to the tailpiece of the sink loose it... Any excess plumber 's putty and maybe even get someone to hold the sink drain before your... Nut onto the drain body how to install a p trap on a pedestal sink through the bolt hole previously made remain... © Copyright 2020 Hearst Communications, Inc. do not over-tighten the mounting bolts if present if! You dig the clean look of a single P-trap push the drain ’ center!
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