Complete the installation by connecting the 1-1/4 in. Mark the height of the pedestal sink on the wall. Push the drain body up through the hole in the bottom of the sink. After hand tightening the slip nuts, do an extra turn using hand pliers. Keep in mind that the hanger bolts you use should be long enough to remain at least an inch into the bathroom. In some cases, you may be able to use your existing sink basin and only replace the stand. Now, the P-trap can be removed. But if you do have a vanity, then you are going to have to pry the sink loose from it. Position a bucket directly under the P-trap to catch any spilling water. Tighten the locknut that connects the new drainpipe to the sink using a pipe wrench. 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. Thread the nut on to the trap by … In the majority of cases, if the pedestal has been originally installed properly, this will require removing the pedestal. Traps are made from ABS (black), PVC (white) or brass (either chrome-plated or natural colored). Call a plumber if you are uncomfortable with this type of project. Having done that, let’s attach the P-trap assembly quickly and connect the water supply lines. 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. If you need to slightly raise the sink to slide the pedestal in, do it. Though more elegant-looking than your typical vanity cabinet, pedestal sinks … Learn how to prepare and install a pedestal sink. The P-trap is the curved section of pipe at the base of the sink’s plumbing. Use the wrenches to unscrew the sink and remove it. Remove the entire trap from the waste pipe. Adjustable is best. A pedestal sink has two parts: a basin bolted to the wall, and a pedestal that provides support while concealing the plumbing. The rationale is obvious: wall plumbing means a vanity and more storage space. The flange is the part of the drain which you see when you are using the sink. 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. Secure it using washers and cap nuts. 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). 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. Rule 1: Never connect more than three pipes to a single p-trap. Pedestal sinks often have elaborate and decorative bowls, but they all rest atop a column that conceals the water lines and drain pipe. Be careful not to exert too much downward force on the suspended pedestal sink. Ensure this part of your sink works before installing your sink top. 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. This is what you do: With the help of someone else, hold the sink so it doesn’t slip off the wall. Move a bucket underneath the P-trap and remove the P-trap by loosening the slip nuts at both ends. 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. 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. 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. Most pedestal sinks depend upon the pedestal for a certain amount of support. If you install the p-trap … With the sink mounted, connect … When you’re ready to put the sink back on the pedestal, test fit the sink on top of the pedestal. A drain trap is often known as a P-trap. Tighten the hanger bolts’ cap nuts and ta-da! 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. Sink Trap Assembly Cost Non-discounted retail pricing for: 1 1/2" ABS or PVC ptrap. Cut up a piece of wood to the dimensions that you have marked on the studs. Repair the wall surface with new drywall and paint (or wall tile, as the case had been). 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. This is what you do for the drain: The same is done for the faucets. Remove the stopper from inside the sink by pulling it up. Amazon, the Amazon logo, AmazonSupply, and the AmazonSupply logo are trademarks of Amazon.com, Inc. or its affiliates. Have a helper hold the sink steady so it doesn't tip over. 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. then attach the trap to the trap arm and measure from the wall … Carefully slide the pedestal along the floor away from the wall so there is enough room to access the drain pipe. 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. Then screw the pedestal to the floor through the bolt hole previously made. Let any water in the pipe drain into the bucket. Connect the water supply lines to the appropriate valves of the faucet. Retain them if you plan to reuse them for a new installation. Loosen and remove the P-trap from the branch drain and sink drain tailpiece, using channel-type pliers. 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. 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. Install the P-trap to the tailpiece of the sink’s drain, using slip nuts. 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. 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. 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. Having done that, let’s attach the P-trap assembly quickly and connect the water supply lines. When replacing a P-trap, you should use the same type of trap you remove. Connect a Trap Bend to the Trap Arm Attach the trap bend to the trap arm, using slip nuts and washers. Re-installing a P-trap behind a pedestal 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. You know where the mounting board is inside the wall. 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. 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. Tighten the slip nuts at both ends of the P-trap using channel-lock pliers. Wipe away any excess plumber's putty that squeezes out of the flange with a damp rag. 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. 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. Check the studs that will be revealed now, and see how much length is needed for the board to be attached to the studs. Turn off both and let the water already inside the faucet piping run out. Make sure that an inch of their length remains outside the wall. Push the bucket under the water lines, and disconnect them next. Home » Sink » How to Install a Pedestal Sink with Floor Plumbing. 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. Gently slide the pedestal back into place under the sink. 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. With the help of someone else, hold the sink so it doesn’t slip off the wall. Seek help to remove it. Here, by assemble, I mean loosely assemble. This means the water lines should align with the sink’s faucet holes. Help! Wipe off any excess glue that may be seen atop or below the drain. Sit on the floor to the side of the pedestal, near the wall, to view the now-visible P-trap. Install the P-trap to the tailpiece of the sink’s drain, using slip nuts. Loosen the locknut that connects the drainpipe to the sink using a pipe wrench. Read more here. The sink … The curved pieces of drain pipe underneath your sink, commonly referred to as p-traps, do a lot of dirty work. This is where the sink’s mounting bracket would attach. 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. This is often fixed with an adjustable P-trap or S-trap … Confused? If there is old putty still attached to the bottom of the flange, scrape it off with the flathead screwdriver. If there are leaks, apply some plumber’s putty and tighten the nuts. Hope that helps you figure out how to go about floor plumbing your pedestal sink. Measure, cut and fit drain pipe and p trap … Replace the stopper back into the sink and reattach it to the back of the drainpipe. The central line of the pedestal is already marked. Place a thin bead of plumber’s putty around the underside of the drain flange. If the p-trap it is clogged, you must remove the sink from the wall in order to unclog the p-trap. How a P-Trap Works . You have successfully installed your pedestal sink! 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. Attach the trap Photo by David Carmack. Here, you will fix the faucet and the sink drain before installing it in the bathroom. If you have a double sink for instance ensure that you have purchased a kit that is ideal for a double kitchen sink. 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. Check for leaks by opening the supply lines. Turn until the drainpipe separates from the flange and set it aside. The beveled side of the washers should face the trap bend. Once you’ve placed the sink on top of the base, look at the drain assembly. Thread the drain flange into the body of the drain. Tighten all the nuts with a pair of slip joint … How to Install a Pedestal Sink with Floor Plumbing. Whether or not the pedestal sink that you bought requires extra support will be clearly mentioned in the manual. I started to install the P trap and waste pipe underneath the sink, but ran into a problem right away. Move the P-trap up or down to align the trap arm with the opening in the … 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. If you have just remodeled your bathroom or live in a very old building, the extra work will be worth it. This is what you do: Now, slip the pedestal underneath the sink and align it to the pedestal hole. Additionally you may require an elbow fitting(s) to be able to get the right position. Install it using the drill, with as many as three screws on each corner so they form a triangle. Remove the mounting screws from the base of the pedestal using a power drill equipped with a screwdriver bit. trap assembly to the sink tailpiece and PVC trap adapter. Prop up the sink so it doesn’t fall when it is loosened from the wall. 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. Install a pedestal sink that has a stand designed to conceal the plumbing. © 2020 Sink Engineering - Ask The Plumbers LLC. When you’re ready to put the sink back on the pedestal, test fit the sink on top of the pedestal. The best part about pedestal sinks is that they don’t ruin the vibe of your bathroom with ugly exposed pipes. A pedestal sink has two parts: a basin bolted to the wall, and a pedestal that provides support while concealing the plumbing. 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. Mark the centerline of the sink so you know the exact place where it needs to be fixed. 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. As an amazon associate, I earn from qualifying purchases. If you install the p-trap … Cover the P-trap's threads with plumber’s tape for a secure, leak-free fit. The time has come to place your assembled sink onto the pedestal base. Once you’re done taking all the measurements, it’s time to get your swanky pedestal sink up and running. Employ the assistance of a helper to make sure the P-trap successfully moves off the wall while the sink is also moving. 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. Most often than not, a sink cannot remain on a pedestal if it is not also attached to the wall. I've got the supply lines figured out but cannot figure out how to install the P trap to the drain in the floor. Most always, you deal with wall plumbing when it comes to bathroom sinks. Pedestal sinks rest on the pedestal for support, but can be removed for brief periods to repair plumbing under the sink. Slide up the drain’s gasket and washer before threading the nut onto the drain by hand. Apply silicon glue to the underside of the flange. Turn the new drainpipe until the flange is seated tight against the bottom of the sink. 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