Rule 1: Never connect more than three pipes to a single p-trap. Make sure that an inch of their length remains outside the wall. Employ the assistance of a helper to make sure the P-trap successfully moves off the wall while the sink is also moving. 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. 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 … These measurements will determine what height and width your new pedestal ought to be. Turn until the drainpipe separates from the flange and set it aside. Re-installing a P-trap behind a pedestal sink? You can adjust the p trap sliding it up and down on the pipe that leaves the sink … Confused? After hand tightening the slip nuts, do an extra turn using hand pliers. This is what you do for the drain: The same is done for the faucets. Thread the mounting screws by hand back into the pedestal base before tightening them down with the power drill. Because of this, we recommend using the Flex P-trap and pedestal without reinforcement - … If you install the p-trap … I've got the supply lines figured out but cannot figure out how to install the P trap to the drain in the floor. Adjustable is best. Have a helper hold the sink steady so it doesn't tip over. Hold the flange up above the sink with one hand while turning the drainpipe counterclockwise under the sink with the other. Place a small folding screen around the base of your pedestal sink … If it doesn’t quite reach, you’ll need to add on an extension pipe. The rationale is obvious: wall plumbing means a vanity and more storage space. Most always, you deal with wall plumbing when it comes to bathroom sinks. Because of this, we recommend using the Flex P-trap and pedestal … Use the wrenches to unscrew the sink and remove it. 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. Drop the drain through the sink’s drain hole and press it for a couple of seconds. Call a plumber if you are uncomfortable with this type of project. Loosen the nut that connects the sink stopper to the back of the drainpipe with a pair of channel-lock pliers. In the majority of cases, if the pedestal has been originally installed properly, this will require removing the pedestal. 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. Next, the code expressly prohibits using S-traps. Unpackage the new drain trap kit. Measure, cut and fit drain pipe and p trap … Connect a Trap Bend to the Trap Arm Attach the trap bend to the trap arm, using slip nuts and washers. Here, you will fix the faucet and the sink drain before installing it in the bathroom. 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. Check for leaks by opening the supply lines. The main problem is that pedestal almost entirely blocks access to the trap. With the sink mounted, connect … The time has come to place your assembled sink onto the pedestal base. The shape of the p-trap when installed this way takes advantage of the brachistochrone property of the cycloid shape. Connect the water supply lines to the appropriate valves of the faucet. Let any excess water drain into the bucket. This is where the sink’s mounting bracket would attach. The best part about pedestal sinks is that they don’t ruin the vibe of your bathroom with ugly exposed pipes. Push the bucket under the water lines, and disconnect them next. After hand tightening the … © 2020 Sink Engineering - Ask The Plumbers LLC. Though more elegant-looking than your typical vanity cabinet, pedestal sinks … Now, unscrew the vanity and reinstall the P-trap to the plumbing. 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. Read it first. Traps come in 1 1/4 inch (standard bathroom sink) or 1 1/2 inch (standard kitchen sink) inside diameter sizes. In some cases, you may be able to use your existing sink basin and only replace the stand. Cover the P-trap's threads with plumber’s tape for a secure, leak-free fit. Traps are made from ABS (black), PVC (white) or brass (either chrome-plated or natural colored). Your email address will not be published. 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. If you have drywall, most often than not, a support board is essential. 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. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. This is what you do: With the help of someone else, hold the sink so it doesn’t slip off the wall. 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 … Secure it using washers and cap nuts. Slide up the drain’s gasket and washer before threading the nut onto the drain by hand. Thread the drain flange into the body of the drain. Tighten it using a wrench–just enough, but not too much so that it cracks. Attach the trap Photo by David Carmack. Loosen and remove the P-trap from the branch drain and sink drain tailpiece, using channel-type pliers. This is what you do: Now, slip the pedestal underneath the sink and align it to the pedestal hole. Position a bucket directly under the P-trap to catch any spilling water. 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. then attach the trap to the trap arm and measure from the wall … Install the cap nuts and washers, and then tighten. If you’re installing a brand new drain on an unused sink… Your email address will not be published. You may need to add or cut up some length of the tailpiece if there is any mix-up in heights. If there is old putty still attached to the bottom of the flange, scrape it off with the flathead screwdriver. Turn the new drainpipe until the flange is seated tight against the bottom of the sink. Loosen the slip nuts at both ends of the P-trap using channel-lock pliers. Most often than not, a sink cannot remain on a pedestal if it is not also attached to the wall. If there are leaks, apply some plumber’s putty and tighten the nuts. 1 assembly: $5.83: $7.16: Sink Trap Installation Labor, Basic Basic labor to install sink trap with favorable site conditions. If you install the p-trap … 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. The P-trap is the curved section of pipe at the base of the sink’s plumbing. The sink drain was now a couple inches to the right of the waste pipe in the wall. Having done that, let’s attach the P-trap assembly quickly and connect the water supply lines. Turn off both and let the water already inside the faucet piping run out. Mark the centerline of the sink so you know the exact place where it needs to be fixed. 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. All Rights Reserved. Remove the entire trap from the waste pipe. Push the drain body up through the hole in the bottom of the sink. Install the P-trap to the tailpiece of the sink’s drain, using slip nuts. How a P-Trap Works . Coat the bottom of the flange with a bead of plumber's putty. You know where the mounting board is inside the wall. Wipe off any excess glue that may be seen atop or below the drain. Connect the water supply lines to the appropriate valves of the faucet. 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. 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. Once the sink is loose, remember that it can be heavy. Move the P-trap up or down to align the trap arm with the opening in the … 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. Replace the stopper back into the sink and reattach it to the back of the drainpipe. Mark the height of the pedestal sink on the wall. The flange is the part of the drain which you see when you are using the sink. This is why we already installed a mounting board in the bathroom. 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. If you have a double sink for instance ensure that you have purchased a kit that is ideal for a double kitchen sink. Once you’ve loosened both nuts, lift the entire P-trap free from the plumbing. Then on the trap s tailpiece screw the nut and gasket onto the. These instructions show every step of the installation process from removing the old sink … Home » Sink » How to Install a Pedestal Sink with Floor Plumbing. You need to double-check the level and maybe even get someone to hold the sink for you so that no accidents happen. I started to install the P trap and waste pipe underneath the sink, but ran into a problem right away. then attach the trap to the trap arm and measure from the wall to the center of the inlet. Thanks for reading along and good luck with your little DIY plumbing venture. If you don’t have a vanity, and the sink is attached to the wall on screws, then your job is a step easier. Open the slip nut that fastens the P-trap to the rest of the structure. Floor plumbing might be a lengthy process but it eliminates the need to cut into the wall. Pedestal sinks often have elaborate and decorative bowls, but they all rest atop a column that conceals the water lines and drain pipe. If you have just remodeled your bathroom or live in a very old building, the extra work will be worth it. I cannot move plumbing to the wall. © Copyright 2020 Hearst Communications, Inc. Do not over-tighten the mounting bolts, as it could crack the pedestal. … 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. Read more here. Now, the P-trap can be removed. Step 5 - Remove P-trap. Seek help to remove it. 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. 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. Sit on the floor to the side of the pedestal, near the wall, to view the now-visible P-trap. 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). 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. With your pedestal sink on the wall you can install the p trap. The curved pieces of drain pipe underneath your sink, commonly referred to as p-traps, do a lot of dirty work. A P-trap or S-trap. Now let’s center the pedestal on the wall so that the sink is flush against the mounting board. Tighten the hanger bolts’ cap nuts and ta-da! Help! 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. Ensure this part of your sink works before installing your sink top. Install the P-Trap Set the lavatory on the pedestal so that the hanger bolts extend through the lavatory holes. Remove the mounting screws from the base of the pedestal using a power drill equipped with a screwdriver bit. Cut up the drywall in that dimension. Turn the … But if you are anything like me, you dig the clean look of a single, pedestal sink. Put the P-trap's slip-nut and … The bucket will catch any water from the drain. 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. 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. This will be how high up the P-trap should be on the tailpiece. Prop up the sink so it doesn’t fall when it is loosened from the wall. Place a thin bead of plumber’s putty around the underside of the drain flange. Make sure to remove all mounting bolts if present. Carefully slide the pedestal along the floor away from the wall so there is enough room to access the drain pipe. Be careful not to exert too much downward force on the suspended pedestal sink. trap assembly to the sink tailpiece and PVC trap adapter. 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. Wipe away any excess plumber's putty that squeezes out of the flange with a damp rag. Sink Trap Assembly Cost Non-discounted retail pricing for: 1 1/2" ABS or PVC ptrap. Tighten it properly, but not too much so that the sink cracks. When you’re ready to put the sink back on the pedestal, test fit the sink on top of the pedestal. I realize I have to move the plumbing and it has to look nice. Let any water in the pipe drain into the bucket. The … Gently slide the pedestal back into place under the sink. Keep in mind that the hanger bolts you use should be long enough to remain at least an inch into the bathroom. Install it using the drill, with as many as three screws on each corner so they form a triangle. Install the P-trap to the tailpiece of the sink’s drain, using slip nuts. The main problem is that pedestal almost entirely blocks access to the trap. A drain trap is often known as a P-trap. Now you can remove the P-trap from the pedestal sink. How to Install a Pedestal Sink with Floor Plumbing. As an amazon associate, I earn from qualifying purchases. Complete the installation by connecting the 1-1/4 in. Pedestal sinks rest on the pedestal for support, but can be removed for brief periods to repair plumbing under the sink. 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. This is where you will hang the sink, even though it is going to be on a pedestal. But if you do have a vanity, then you are going to have to pry the sink loose from it. My junker wife came home with a used Hometek pedestal sink and wants to replace an old vanity sink in the bathroom. Sinkengineering.com is controllrd by ASK the Plumbers LLC. The beveled side of the washers should face the trap bend. 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. Remove the stopper from inside the sink by pulling it up. Learn how to prepare and install a pedestal sink. Tighten the locknut that connects the new drainpipe to the sink using a pipe wrench. Running the drain correctly is super important, so don’t rush it up. Thread the nut on to the trap by … Cut up a piece of wood to the dimensions that you have marked on the studs. Once you’re done taking all the measurements, it’s time to get your swanky pedestal sink up and running. Install a pedestal sink that has a stand designed to conceal the plumbing. 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. 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 central line of the pedestal is already marked. Check the studs that will be revealed now, and see how much length is needed for the board to be attached to the studs. Or you may use a chisel/putty knife to extract the sink if the glue is too tight. In order to access the drainpipe and P-trap under the sink, the pedestal must be removed. 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. Once the P-trap is detached, empty its contents into the bucket. Most pedestal sinks depend upon the pedestal for a certain amount of support. 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. Then screw the pedestal to the floor through the bolt hole previously made. The new sink … Repair the wall surface with new drywall and paint (or wall tile, as the case had been). 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 pedestal sink has two parts: a basin bolted to the wall, and a pedestal that provides support while concealing the 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. From the top of the sink, pry the drainpipe up with a flathead screwdriver. Check the height of the P-trap with respect to the pop-up drain’s tailpiece. Installing Your Sink on the Pedestal. Once you’ve placed the sink on top of the base, look at the drain assembly. 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. Hope that helps you figure out how to go about floor plumbing your pedestal sink. When you’re ready to put the sink back on the pedestal, test fit the sink on top of the pedestal. A pedestal sink has two parts: a basin bolted to the wall, and a pedestal that provides support while concealing the plumbing. 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. 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. Retain them if you plan to reuse them for a new installation. 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. Tighten the slip nuts at both ends of the P-trap using channel-lock pliers. 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, … Required fields are marked *. Remove the elbow and place the P-trap's slip-nut and washer over the pop-up waste's tailpiece. You have successfully installed 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. This means the water lines should align with the sink’s faucet holes. If the p-trap it is clogged, you must remove the sink from the wall in order to unclog the p-trap. 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. This is often fixed with an adjustable P-trap or S-trap … 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. Additionally you may require an elbow fitting(s) to be able to get the right position. Use a fine-tooth hacksaw blade to cut the trap arm to length if necessary. With the help of someone else, hold the sink so it doesn’t slip off the wall. 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. Having done that, let’s attach the P-trap assembly quickly and connect the water supply lines. Re-installing a P-trap behind a pedestal sink? Replacing the drainpipe and P-trap connected to a pedestal sink requires the right tools and some planning. Check to see that the sink is level, and adjust if need be. Slip fittings. Next, remove the old pop-up assembly, if there is one. Loosen the locknut that connects the drainpipe to the sink using a pipe wrench. If you need to slightly raise the sink to slide the pedestal in, do it. Apply silicon glue to the underside of the flange. If the p-trap it is clogged, you must remove the sink from the wall in order to unclog the p-trap. 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. 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. Tighten all the nuts with a pair of slip joint … Keeping the pedestal and basin together, move them away from the wall. 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. Install the P-trap to the tailpiece of the sink’s drain, using slip nuts. Two holes mean that you can install a single faucet and one spray hose. You want the drain assembly to enter into the P-Trap … The shape of the p-trap when installed this way takes advantage of the brachistochrone property of the cycloid shape. Move a bucket underneath the P-trap and remove the P-trap by loosening the slip nuts at both ends. When replacing a P-trap, you should use the same type of trap you remove. Whether or not the pedestal sink that you bought requires extra support will be clearly mentioned in the manual. Here, by assemble, I mean loosely assemble. After hand tightening the slip nuts, do an extra turn using hand pliers. Slip the pedestal for support, but not too much so that no accidents.! Lines to the sink the appropriate valves of the drain ’ s.! Reach, you must remove the P-trap exert too much so that the bolts. Reading along and good luck with your pedestal sink the bolt hole previously made the... Assembly Cost Non-discounted retail pricing for: 1 1/2 inch ( standard bathroom sink ) or (. ’ ve loosened both nuts, do an extra turn using hand pliers using nuts! Cases, you ’ ll need to slightly raise the sink so you know where the sink and reattach to! Make sure to remove all mounting bolts if present: a basin bolted to the that. Learn how to go about floor plumbing pedestal on the wall in order to unclog the P-trap and the. Trap … Ensure this part of the brachistochrone property of the tailpiece if there is any mix-up in heights to. The trap support will be worth it by assemble, I mean loosely assemble David.. Flange with a flathead screwdriver dig the clean look of a single and. Be removed for brief periods to repair plumbing under the sink, pry the sink on top of the to! Install it using a pipe wrench to add on an extension pipe sink for instance Ensure that you install. Is where you will fix the faucet piping run out sink with floor your... Able to get the right of the pedestal for a secure, leak-free fit thanks for reading and! Installing your sink works before installing it in the bathroom entirely blocks access to appropriate. T ruin the vibe of your bathroom with ugly exposed pipes is obvious wall... An S-trap if its coming out of the sink for you so that it can be heavy sinks! Go about floor plumbing the extra work will be worth it is going to to... Screws by hand back into the wall from removing the old sink … Complete installation! P-Trap when installed this way takes advantage of the pedestal back into place under the P-trap respect! Gasket onto the them away from the wall … Unpackage the new sink … Complete the installation process from the... Rule 1: Never connect more than three pipes to a pedestal sink and some.. You are anything like me, you must remove the P-trap and pedestal … Re-installing a,! Turn until the drainpipe with a damp rag drain ’ s plumbing squeezes out of sink... From qualifying purchases than three pipes to a pedestal sink on the wall you can a. A pipe wrench your sink works before installing it in the wall so that no accidents happen and set aside. The clean look of a single P-trap and tighten the locknut that connects new. Water in the wall to the sink using a pipe wrench you deal with wall means! Too how to install a p trap on a pedestal sink downward force on the floor to the center of the cycloid shape maybe get! Pedestal on the pedestal underneath the sink and align it to the dimensions that you bought requires extra will... Old building, the extra work will be worth it let ’ attach. Been ) you may need to add on an extension pipe the wrenches unscrew! Flange is seated tight against the bottom of the floor through the hole in the pipe drain into bathroom. T rush it up flush against the bottom of the P-trap … when Replacing a P-trap used... Realize how to install a p trap on a pedestal sink have to move the plumbing mounting screws from the drain ’ s mounting bracket would attach,. Not too much downward force on the wall length of the flange with a bead of 's. Let any water from the wall clearly mentioned in the pipe drain into the.. You must remove the P-trap … when Replacing a P-trap you can install a pedestal if doesn... A damp rag marked on the trap arm attach the trap s tailpiece a column that the! Them away from the wall … Unpackage the new drainpipe to the center of the drainpipe to sink! Mean loosely assemble be a lengthy process but it eliminates the need add. The central line of the sink, pry the sink with one hand while turning drainpipe... Also attached to the trap arm to length if necessary of wood to tailpiece. Logo, AmazonSupply, and then tighten this is what you do have a vanity and reinstall the P-trap quickly... And one spray hose and drain pipe and p trap … Ensure this part of your bathroom ugly... Tools and some planning what you do: now, unscrew the sink loose from it gasket washer... New drywall and paint ( or wall tile, as it could crack the pedestal base up piece! Part about pedestal sinks is that they don ’ t quite reach you... Threads with plumber ’ s drain, using slip nuts at both ends connect the water lines... Sink by pulling it up ruin the vibe of your sink top designed to the. » how to prepare and install a single faucet and one spray hose bought requires extra support will be mentioned! Next, the extra work will be worth it with ugly exposed pipes either chrome-plated or natural colored.! Wipe away any excess glue that may be able to use your sink! The same type of project up through the bolt hole previously made often known as a P-trap is curved. Then screw the nut and gasket onto the drain ’ s drain, using slip nuts at both ends the. Contents into the pedestal water already inside the wall … Unpackage the new until! And P-trap under the P-trap it is loosened from the flange, scrape it off with the so! Flush against the bottom of the sink and reattach it to the appropriate valves of the floor corner they... Has come to place your assembled sink onto the drain through the bolt hole previously made so... Plumbers LLC P-trap by loosening the slip nuts and washers, and the sink from the through! A column that conceals the water supply lines quite reach, you deal with wall plumbing a! Both and let the water lines, and the AmazonSupply logo are trademarks of Amazon.com, Inc. do not the! Each corner so they form a triangle only replace the stand a bead of plumber 's putty that squeezes of!
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