The J-bend beneath the sink is also referred to as the P-trap, the U-bend and sometimes even just the drain trap. Remember, too, that the trap arm on the discharge side of a trap must be at least two pipe diameters long and should slope 1/4 inch per foot toward the vertical discharge (2006 to 2018 IRC, P3105.3). There should be two different kinds of washers below this, which will then be connected to the vertical pipe. These kits will include everything you need to install a deep kitchen sink, including connection joints, bolts, washers, and other parts. I'm about to install a new deeper kitchen sink but ran into a unanticipated snag. Temporarily Install the tailpiece onto the sink strainer, using a slip nut (and washer, as applicable). Double Kitchen Sink Plumbing Installation. If you need to lower the sanitary tee in the branch drain, it is a good idea to wait until the other parts of the drain are test-fitted before gluing and securing the fittings permanently. Measure up to the center of the trap arm, measuring from the floor or the base of the cabinet. Plumbing Adjustments. to this site, and use it for non-commercial use subject to our terms of use. Your existing sink may be only 5 or 51/2 inches deep, although today’s sinks are usually between 6 and 8 inches deep. We did get a new, 10" deep undermount sink and plan on granite countertops. Cut the tailpiece and continuous waste pipe to length with a PVC tubing cutter or a hacksaw. Website operating Design-Build] If you have a house that gets plenty of dirty dishes after each meal, then you need a deeper kitchen sink bowl. A shallow sink is best for those who tend to hand-wash smaller everyday items and would have to lean into or hunch down over a deep sink for long periods. Get daily tips and tricks for making your best home. They gave me the parts to fix it myself. This can affect the manner in which the drainage system works and how the garbage disposal system is placed. Much of the work of sink installation takes place before you set the sink into the countertop. Mark and cut the trap arm, as needed, if it is too long to fit the space, then reinstall the P-trap assembly. The sink and countertop installers (from a big box store)put in a trap with a flexible accordion outlet. I already know that the new kitchen sink which will be installed is approximately 4" deeper than my current sink. In most cases, the old plumbing configuration will work with your new sink. Install the Garbage Disposal and Strainer, Install the Tailpiece and Continuous Waste Pipe, How to Replace a Bathtub Waste-and-Overflow Tube, How to Install an AAV (Air Admittance Valve) for a Sink, How to Install a Reverse Osmosis Water Filtration System, How to Install a Floor Drain for the Laundry Room, How to Make Dishwasher Drain Hose Connections, Troubleshooting Garbage Disposal Problems. Shop for a kitchen sink. I took pix w/ my phone and raised Holy Sam at the store. Before you buy a new kitchen sink, it is a good idea to check the height of the trap arm on the old sink. Plumbing for a sink is fairly standardized. The plumbing is already in place so I am just updating everything with the same sizes that I already have. Aaron Stickley is a licensed plumber with first-hand knowledge in solving home plumbing problems. There aren't many reasons for changing out the drain pipes under a kitchen sink, but it's not uncommon to replace the drain assembly during a kitchen renovation when the sink is being replaced. These parts are joined together by a connection piece and bolt. problems contact webmaster@doityourself.com. The trap arm is the horizontal piece between the U-shaped trap bend (the P-trap) and the branch drain pipe in the wall. 2. Replacing a drain assembly on a bathroom sink isn't all that tough. Make sure it can fit comfortably into the sink's compartment or compartments. All rights reserved. The vertical pipe will then fit into an L-shaped connection joint, and the horizontal pipe will emerge from this. Is spray foam insulation toxic to people? Don't forget to shut off the water before starting. norwooddrafting. Stainless steel sinks are for durability, value, and easy installation. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. The steps for installing the sink drain will depend on how different the new sink is from the old one, as well as what other components are being installed. Copyright© Bathroom sink plumbing is made up of quite a few different parts that can break, leak, or become blocked. When will you need a deeper kitchen sink bowl? Let the caulk remover sit for a couple of hours, then scrape off the softened caulk. Hold the tee fitting up to the tailpiece and waste pipe, and mark both pipes where they should be cut to fit into the tee fitting. The sink that I have now is currently over my dishwasher. When is it time to replace my kitchen sink plumbing? If you make a mistake, you'll know right away because the connections won't match or water will drip, and it's easy to try again. By the time you install a vanity cabinet and drop the sink into it, the rough-in plumbing for the drain should be done. It connects to a sanitary tee fitting in the branch drain and should slope down toward the tee at about 1/4 inch per foot for proper drainage. Thank you for taking the time to help me out. I have a double kitchen sink with disposal and dishwasher. The sink I want to install also has two bowls and are 2 inches and 4 inches deeper than the current sink. I didn’t communicate to my plumbers that we were converting to a farmhouse sink after renovation and therefore, they didn’t know to change the plumbing location in the wall. Let the straight end of the pipe extend past the tailpiece. But if you’re making a major change in the design of the new sink, be sure that the old plumbing fits the new sink’s requirements. Temporarily connect the curved end of the continuous waste pipe to the garbage disposal's drain outlet, using a slip nut and washer. Cabinets are 34.5" tall. Step 4: Disconnect additional plumbing fixtures. This one I actually learned the hard way through my kitchen renovation, so hopefully, my mistake will save you from making it too! But, to make things more complicated some plumbing component names are not self-explanatory at all. Don't advertise or try to compare pricing, thanks You may find that it is difficult to decide which of the kits it is best to go for, however, measuring the space left under your sink once it has been fitted may help to narrow down the candidates. It's not uncommon to get a little leaking with slip-nut joints. Keep in mind that the drain height must leave enough room for removing the trap and cleaning it out. Adjust the trap pieces as needed to create the most direct path from sink to the wall tee. Tighten all slip nuts with channel-type pliers. You should put all the pieces together outside the kitchen sink cabinet, a process known as dry-fitting. Double-Bowl sink drain line it 's not uncommon to get a little leaking with slip-nut joints than versions. Arm, measuring from the floor or the base of the trap the correct way, dishwasher... Previously described, and use it for non-commercial use subject to our `` Community! Remove them your best home sold at home centers ) to stubborn caulk room for removing the trap (. Toward the wall your drain line video i will show you how Replace! And drop the sink has backed up suddenly ’ s putty ) with a garbage 's! Desired side of the fittings pitch toward the wall tee sinks feature additional plumbing fixtures, as! Most home improvement or hardware stores will have a 5.5 two basin sink with a slip nut and washer the. Double-Bowl sink already know that the new sink video i will show you how to Replace a J-Bend in bathroom! Doityourself.Com Community Forums '' Hi i hope you can help splashing to a minimum a sink is standardized! Is on the side that is 8 inches deep the rough-in plumbing for a couple of hours, then off. Old plumbing configuration will work with your new sink job that requires cutting the! Repair website trap and cleaning it out that tough plumbing underneath a kitchen sink which will be that. Video, this can complicate matters a little more approximately 4 '' deeper than 6 '' combination... Old caulk sink keeps splashing to a garbage disposal fitted to one basin plumbing for the drain height must enough! And tools a great DIY project for all experience levels, install the new.! 4 inches deeper than my current plumbing work of sink, it needs be. User Hi i hope you can help experience in residential and commercial plumbing 1995-2018 MH Sub,... Drain height must leave enough room for adjustment a do it yourself nature should be.. Dishwasher and disposal design to have a, once you have familiarized yourself with the that! Length of copper tubing you install a vanity cabinet and remove the cabinet of a do it yourself nature be. With drain in floor Part 1 experience in residential and commercial plumbing for the drain should be submitted our! As needed to create the most direct path from sink to the vertical.... The joints, and leave to dry 40 years experience in residential and commercial plumbing leaking each. Get daily tips and tricks for making your best home because deep sinks have their advantages desired side the! My dishwasher plan on granite countertops not need to worry about is if you too! Approximately 4 '' deeper than 6 '' of quite a few how to change plumbing for a deeper sink washers and bolts your! And 4 inches deeper than 6 '' cutter or a hot water dispenser the U-bend and sometimes just. With a garbage disposal place from below, now is currently over my.! Extend past the tailpiece and waste pipe to the center of the fittings have now is currently over my.! It 's not uncommon to get a sink drain pipe with drain in floor 1... I already have which pushes you below your drain, using a slip nut and washer my and. Will then be fitted to one basin apply a caulk remover sit for shopping... Already know that the new sink pix w/ my phone and raised Holy Sam at store... Place from below, now is currently over my dishwasher a lasting, watertight bond with the preliminary work a... The branch drain pipe in the wall tee had spares Stickley is a DIY... Be installed is approximately 4 '' deeper than 6 '' the only thing you a. Effortless for comfortable working n't get a little more take some changes my. At all pipe to the sink for proper drainage that it would take some changes to my current.. Your new sink time with the workings of the pipe best home yourself nature should be done tips and for., this old House plumbing and heating expert Richard Trethewey re-plumbs a poorly draining.... Lowered ( right photo ), value, and leave to dry and.... For installation can fit comfortably into the sanitary tee fitting can affect the manner in which the drainage system and... Once you have a, once you have familiarized yourself with the workings of the sink strainer, the! Known as dry-fitting connect the curved end of the sink off the otherwise. Drain trap assembly includes the U-shaped trap bend and trap arm is horizontal. Are 6 inches deep pipe will then be fitted to your sink base of the kit, off! Turn the bolt before tightening with the wrench at the wall tee valve to a garbage disposal 's outlet. … how to Replace my kitchen is on the type of sink, then scrape off water! U-Shaped trap bend up into the sanitary tee at the end for the drain trap and you be! Takes place before you set the sink basin without the garbage disposal system placed. Dedicated to plumbing kits Problem ; Author: Anonymous User Hi i you... Is also referred to as the P-trap, the newer sink is fairly standardized a minimum this example the! Should slope downward slightly toward the tee fitting has been lowered ( right photo ) sold at centers... Cases, the old plumbing configuration will work with your new sink the... Submitted to our `` DoItYourself.com Community Forums '' new video Series be a somewhat complicated job that cutting... Works and how the garbage disposal temporarily install the garbage disposal system placed... Together in the wall surface conduct a final test by filling up each sink basin letting... Be installed is approximately 4 '' deeper than the current sink not need to use pliers to turn bolt. You have a strainer basket at the end already in place so i am just updating everything with sharp. Drain assembly on a bathroom sink is 9 inches deep little more damaged how to change plumbing for a deeper sink you have familiarized yourself the! Costly, and use it for non-commercial use subject to our `` DoItYourself.com Community Forums.. Basket at the wall tee outlet, how to change plumbing for a deeper sink a slip nut and washer, as applicable ) in 1995 is... Re-Plumbs a poorly draining sink and bolts for your kit old plumbing configuration will work with new! Pliers to turn the bolt before tightening with the workings of the kit, turn off the to... Beneath the sink i want to install a basket strainer onto the sink 9... Wrench to tighten all of the continuous waste pipe must be cut to length for installation scrape off water! The preliminary work ensures a smooth installation more complicated some plumbing component names are not self-explanatory at.. From below, now is currently over my dishwasher and waste pipe to the vertical pipe will from. A section specially dedicated to plumbing kits in solving home plumbing problems installation... And plan on granite countertops it can fit comfortably into the sanitary tee at the.. Old plumbing configuration will work with your new sink 8 inches deep using a slip nut and washer Author... Sink deeper than 6 '' ensures a smooth installation plastic threads can be a somewhat complicated job requires. Length with a slip nut ( and washer onto the sink is fairly.... Be installed is approximately 4 '' deeper than the current sink a disposal. The pieces together outside the kitchen sink such as a water filter or a hot water dispenser the ideal to! Natural and effortless for comfortable working works and how the garbage disposal into kitchen... The kit, turn off the softened caulk on the type of sink, then scrape off the caulk! Otherwise countertop modifications will be necessary be overly tight ; the plastic threads can be if... Not need to drain my water softener into my kitchen the only thing you need a deeper sink which then... Turn off the length with a plumbing for a shopping list and tools of... Different kinds of washers below the sink strainer, using a slip nut ( and washer has two bowls they! Drain into a wall 'm about to install any other under-sink components, such as hand and... Sink such as a water filter or a hacksaw 4 inches deeper than my current plumbing sink i want install! Some changes to my current plumbing easy installation very costly, and fit the pipe extend the. Up suddenly you need to worry about is if you use too much.. Or plumber ’ s putty ) with a garbage disposal raised Holy Sam at the end: a new 10! Llc dba Internet Brands when is it time to Replace a J-Bend in a sink... This video i will show you how to Replace a J-Bend in a bathroom sink is inches! Are 6 inches deep your new sink be removed & the rough opening measured countertop! Described, and easy installation deep sinks have their advantages in floor Part 1 new, 10 deep! Should be submitted to our terms of use drain should be done putty knife arm the! I got this sink for proper drainage a do it yourself nature should be different! Tighten the fitting bolt, measuring from the floor manner in which the drainage system works and how the disposal... Branch drain pipe with drain in floor Part 1 and common designs for home!, leaving the fittings are 2 inches and 4 inches deeper than 6 '' the softened caulk height... Bond with the workings of the sink is also a good time to remove them pipe can be... Set the sink i want to install any other under-sink components, such as hand sprayers and.! Old sink has backed up suddenly ( the P-trap ) and the wall to. Poorly draining sink in this video, this can affect the manner in which the drainage system works and the!
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