Replacing drain stub out. Tighten all of the nuts with a pair of slip-joint pliers.
Replacing drain stub out Author: johnmsch (GA) While replacing a vanity faucet this weekend, I found that the drain pipe going into the stub-out does not have the raised lip that helps lock it into the p-trap. Opening up the wall isn't an option. Feb 26, 2025 · Types of Plumbing Stub Outs Stub outs come in various types, each designed for specific plumbing applications: 1. I show a Marvel Fitting and how to repair an old galvanized drain pipe. 3. Mastering the art of bathroom plumbing rough-in is essential for ensuring a seamless and problem-free installation process. If . Dec 1, 2019 · The 4” male-male pipe leading from where my sink drain connects to the pipes inside of the wall is totally rusted in the bathroom side. When moving a laundry sink to another location, you must have it high enough to drain the water properly. Plus, get tips for a clean and solid installation. Is it correct? This pipe is the true stub-out, so the stub-out didn't come out. Proper alignment and sealing of all these components are necessary to ensure the entire system functions efficiently and remains watertight. Plumber Ed Cunha directs you through the steps required to replace … Apr 2, 2023 · The brass p-trap from the old sink was connected to the galvanized stub out as seen below. Dec 8, 2011 · Anyway, the drain trap I can remove, but all other piping that goes from the trap to the wall, into the wall, down inside the wall, into the basement, etc. Can I just epoxy the cut? The A stub out pipe, also called a pipe out, is the portion of a pipe that is exposed when the pipe is installed during gas, plumbing, or electrical rough-in processes and is ready for connection to a device or fixture. Where the brass stop meets the steel, it tends to deteriorate the ends and the inside of the pipe further in tends to close up. Connect pipes from the main water valve until it reaches the stub-out's intended point and then solder all the pipe connections. This is called "roughing-in" the plumbing. Please try again later. This measurement will determine the length of the pipe you’ll need to connect the bottle trap to the sink’s drainpipe. The usual procedure is to first assemble the branch line all the way to the point where it stubs out, go back and solder all the connections Sep 1, 2006 · In a sink drain line, the trap provides a number of vital functions. This video applies to brass pipes as Oct 27, 2012 · Glue a 2-inch by 1 1/2 inch P-trap adapter to the end of the stub-out. Prevent leaks and clogs by installing a new P-trap in just a few steps. One of the key skills is installing stub-out pipes that finish the final plumbing operations. Although you can anchor the stub-outs to existing framing, you might need to install blocking if you must locate them between studs. If men are so wicked with religion, what would they be if without it? Benjamin Franklin. This video shows my process that ended up working the best for me after some trial and Feb 25, 2014 · When you remove a kitchen, bathroom, or laundry sink, you must disconnect the drain from the waste pipe, and after the sink is gone, the waste stub-out remains visible. Attach the trap bend to the trap arm. A toilet stub out is usually 8 inches above the floor. I Is one of your pipes under a sink cracked or broken? Well your in luck! Today I will show you how to replace a cracked or broken pipe under one of your sinks. This was in Aug 2019 I am now seeing a Sinks have two water stub-outs and one drain stub-out coming out of the wall or floor. Standard no-hub couplings or the "listed" transition couplings for cast iron to plastic. Consult the foundation drawings for your house to identify the trench locations for the drain-waste-vent (DWV) system. There's actually a pretty simple explanation for that: if atmospheric . The process of laying these pipes, and putting protective plugs or caps to keep building debris out, is called a plumbing stub out. Learn how to replace your bathroom sink drain. Repair & Testing Parts Stub Outs Elbows Straights Tub/Shower Valve Connectors Toilet Seats Tools . When installing PEX plumbing in residential or commercial properties, stub outs are created as a connection point for future plumbing fixtures Jul 14, 2013 · In this video about how to replace galvanized pipes, I walk you thru my method for removing a rotted waste nipple. Once that is installed I will be able to connect the p trap directly to the PVC stub out and drain the bathroom sink. Since I am retrofitting, I go ahead and assemble everything before putting the stub-out back in the wall. Attaching new drain trap to a galvanized stub out Ask Question Asked 3 years ago Modified 2 years, 11 months ago Viewed 7k times 2 I am replacing a vanity in my bathroom. Jul 24, 2017 · Plumbing and Piping - Broken stub out: how do I get it out? - Hello my name is Paul and I'm new to the forum. When you find a leak, it usually means your pipes are loose, damaged, or worn out. I have very little plumbing experience, but I figured someone here might know how to fix my issue. You will need to clean up the outside of the pipe with emory, and you might want to coat the outside of the stub out with clear silicone before sliding on the fernco coupling. d. Is there a way to repair this Do I need a pro to replace this rusted waste pipe stub out? Bathroom p-trap blew out this week, and when I got all the fittings off, there wasn’t much chance of threading the replacement fitting onto the wall. The old shower fixtures are twist off, and well wouldn’t ya know it, the first one I twist off (the tub faucet) is corroded and takes the copper stub out pipe right with it. Dec 11, 2021 · So should I get it out, and how? If the iron fitting isn't threaded, then how do I add a replacement stub out? The plumbing will be exposed under new wall mount sink, so would prefer to replace this copper drain pipe with new chromed copper pipe, but until then, any way to get this back to working order would be helpful. Hello, My husband and and I are DIYers living in a 40-year-old house. Hot and cold stub outs are usually 8 to 10 inches apart and 19 to 23 inches above the floor; consult the manufacturer's instructions to be sure. Wall Drains Like the supply stub-outs, the drain stub-out extends from a fitting — usually a sanitary tee — to a point 3 or 4 inches beyond the wall. Please see the pictures below, and sorry if my terminology is not correct. Jul 31, 2001 · Plumbing and Piping - Drain stubout - I am replacing a bathroom sink. Follow the Rick is online now Continue Related Plumbing Questions I'm reinstalling drain piping for double bowl kitchen sink Recessed valve boxes are fine, & have their purpose, but I don't feel that they are feasible for most sink, toilet, & lav applications. Step 5 – Connect the Trap Bend to the Trap Arm The beveled side of the washers should face the trap bend. It makes for a cleaner job in the end. (See Also: What Is Pex Plumbing Pipe Nov 18, 2021 · Remember, keep the beveled side of the washer facing the threaded drain stub-out and attach the trap arm to the drain stub-out. I go into detail how to connect the water lines to the sink via SharkBite fittings, hooking up the P-trap for the drain, faucet, and much more! May 31, 2015 · Judging by the looks of the stub out, getting a new trap nut on there will be futile, and will constantly leak. Cassandra Tribe has worked in the construction field for over 17 years and has experience in a variety of mechanical, scientific, automotive and mathematical forms. I would really like to not have to tear into the drywall and replace the whole tee. . Mar 18, 2023 · We just had new tile installed on our bathroom walls. The drain stub-out was thin metal P-trap material soldered to the cast iron T-joint in the wall. Max 16" and sometimes lower for the drain stub with deep sinks. I give an example how to plumb a sink through the floor, although you While replacing a vanity faucet this weekend, I found that the drain pipe going into the stub-out does not have the raised lip that helps lock it into the p-trap. A sink rough-in features three stub-outs: two for water connections and one for the drain Oct 2, 2024 · The drain stub-out should always come farther from the wall than the garbage disposal drain. Use adjustable pliers if they’re overtightened. The drain, which is usually 2-inch plastic pipe, maintains a minimum slope of 1/4 inch per foot from the stub-out to the point where it ties into a main waste pipe. #plumbing #plumber #trades #fyp #water #bathroom #plumbinglife Oct 30, 2020 · In the life of almost any home, there comes a time when it's necessary to replace a tub spout. Jan 3, 2022 · I'm replacing the bathroom sink in a vintage building from the 30s. I should make that my tagline. Dec 19, 2021 · After the rough-in process is complete, you are left with water stub-outs for bathtubs, sinks, toilets, and showers, along with drain stub-outs for sinks and, in some cases, showers as well. We can see the crack in the upper half of the collar that the p-trap plugs into. In an existing water line, you have to turn off the water and drain the pipe before you cut into it. I will use a slip on SharkBite fitting to help cap the pipe. If you are looking for an easy step-by-step instructional on how to plumb a drain, then this is i Feb 22, 2025 · Long story short: Started trying to clear a partial clog in a bathroom sink drain, one thing after another has led to a concerningly short drainage stub out with a 1 1/2 inch pvc glued on top of the 1 1/4 inch (I’m guessing) pvc drainage stub out. The cut is the white line at about 5 o'clock in the picture. I show you how I installed my ABS drain through the floor. Jul 20, 2022 · Step #4 Measure the distance between the drain stub-out to the outlet nut’s innermost edge. I only have about 2 inches to work with so it seems like cutting it off would just cause more problems. Making statements based on opinion; back them up with references or personal experience. This connection provides a secure entry point for the drain system and ensures a solid foundation for the rest of the setup. I am a complete novice but have changed P-Traps and faucets before. Plumbing stub outs are used to extend pipe installed below slabs or inside walls out of the structure and into the room so that you can return later and connect the rest of your plumbing to the pipe. I recently purchased a property and need to fix this disaster under the sink. I was good up to this Sep 11, 2019 · So I'm replacing an old 1. Install The Tailpiece A tailpiece is the length of pipe attached to the sink drain. Just out of curiosity, how do you intend to get the new pipe. Start by hand-tightening the drain arm to the drain stub-out at the wall, using a washer and coupling nut. Drain Stub Outs Drain stub outs are used for connecting sinks, toilets, showers, and bathtubs to the main drainage system. If you're not planning a new Dec 10, 2018 · The installation of a water supply stub-out begins with installing a reducing tee at a point in the main supply pipe close to the fixture to be supplied. Insert the pipe into the drain stub-out with seal (not provided), then push the flange against the finished wall. I think if you remove the compression nut at the wall stub out there will be a 1 1/2 NPT Male threaded pipe. If you replace the trap and pipes under a kitchen sink, this fitting can solve some problems with old stub outs. Dry-fit a complete assembly for the sink and the toilet. Jul 31, 2025 · In replacing or moving a laundry-room sink, the height of the stub out for the drain is crucial. Installing the Drain Assembly and P-Trap Jun 1, 2025 · Sewer pipes and stub-outs Planning and Preparation: Before beginning any installation work, it is crucial to have detailed plans and obtain the necessary approvals. P-Traps are so easy to fix, and very important to prevent sewer gas from creeping up the drain, but they are prone to rust out. Feb 15, 2017 · The stub out at the wall should be brought out, and turned maybe 45 degrees, so the trap arm could connect. Is it possible that the previous plumbers used like some sort of glue and how would I remove that. even a new drain basket. Take the size of the trap into P-Trap Installation: Drain Doesn't LINE UP with Bathroom Sink Pipe Here is a video of me installing & explaining How to install a ptrap if the drain doesn't line up with sink discharge pipe. Jan 10, 2017 · If you need to replace your bathroom sink drain, follow these steps to help guide you through the process. Aug 26, 2024 · Toilets, Sinks, Showers, Dishwashers, Tubs and Garbage Disposals - Vanity Sink Drain Broken near stub out - I was replacing my sink drain and it looks like the PVC pipe ended up breaking near the stub out. Nov 4, 2013 · Here's what it looks like. Turn on the main water supply, run water through the drain, then check for leaks. I need to extend the length from the stub out to connect a new p-trap to the replaced drain. This video will show you how to cut, stub out and cap and old cast iron water pipe. Feb 12, 2021 · Most of the time when replacing IP stops on galvanized nipples from the wall I wind up installing new pipe nipples. How do I replace this? Thanks in advance for the assistance! Jul 18, 2023 · Step-by-Step How-to Here’s how to hook-up your new sink to the plumbing: 1. Oct 22, 2024 · Replace or clean a sink trap with confidence using our easy-to-follow guide. Nov 25, 2024 · Read our step-by-step guide to repairing your kitchen sink drain trap to fix slow drainage and unpleasant smells. May 13, 2016 · Hello, newbie here, so I appreciate any advice you pros could give! I am remodeling a bathroom in my house and will be replacing the tub/tub drain as well. There are different types of stub outs depending on the type of fixture intended to be fixed to the house. Install the sink and attach the drain assembly, which usually screws into the drain hole. My problem is that I can't unscrew the nut from the stub out in the wall. Includes pictures and detailed instructions. Press the other side of the Push-fit adapter against the copper pipe coming out of the wall until it is secured within. When installing a bottle trap, knowing the distance between the drain stub-out and the outlet nut’s innermost edge is essential. Get free shipping on qualified Stub Out Pipe & Fittings products or Buy Online Pick Up in Store today in the Plumbing Department. If the spout is a slip-on, the stub-out is a smooth copper pipe soldered to a fitting behind the wall. I was planning on replacing it with a new galvanized steel pipe, then Installing new copper stub outs and angle stops for a bathroom repipe. Last week I replaced the crumbling original metal p-trap under one of our upstairs bathroom sinks, and installed a new PVC trap, and then new faucet and pop-up drain. Soldering a replacement behind the wall is messy and hard to do properly. Connect the tailpiece, which is the pipe that extends down from the drain, to the stub-out with a 1 1/2 inch P-trap assembly. Oct 2, 2025 · Determining the height at which to stub out bathroom sink pipes is crucial for planning a bathroom renovation or installation. There is a 1-1/2" galvanized steel stub-out coming out of the wall (see the 1st picture). of the old galv Nov 13, 2025 · The P-trap connects to the wall stub-out, known as the waste arm, which leads to the home’s main drainage stack. Engage a qualified plumber to help plan and execute the installation. Ask your do it yourself plumbing questions and get free answers as well as DIY information about faucets, toilets, pumps and water filters from plumbers at Plbg. You can stub out pipes in a concrete slab easily because the stub out is put in place before the final grade for the concrete slab is prepared, but you must be very skilled in making the necessary connections for the pipes. Add a 2" cleanout either above or belowdouble check your new sink depth so you don't have the stub out too high. Old galvanized basically fell apart when I tried to take out the cast iron sink (50's house), so I had to rebuild the drain system (and the new sink drains would not have aligned with the old piping anyway). Clean and wipe the inside of the tailpiece (where it meets the sink) and the stub-out at the wall to remove any old debris or I am replacing a vanity in my bathroom. This procedure is very simple and convenient to hook up a shower basement without destroying the concrete flooring. It is stuck real tight, I've tried penetrating oil The drain stub-out generally goes directly behind the sink drain, and the supply stub-outs go on either side of it. This is a 35 year-old house in Cobb County GA, and Aug 5, 2022 · I am replacing my two-bin sink with a one-bin sink. Luckily, repairing your drain and pipes are really easy fixes you Upgrade your bathroom with this comprehensive DIY guide! Learn how to:Install a bathroom vanity with precision. Plumb out the vanity for a clean and functiona In this video, I show how to install a bathroom sink. PVC Threaded Trap Adapter to connect your sink drainage to the drain pipe that extends through the wall or floor. Since there are waste and water supply pipes, the main types of stub out pipes are supply and drain stub outs. Image Credit: Comstock/Comstock/Getty Images So-called because they extrude from the wall at locations where new fixtures are slated to go in, plumbing stub-outs are the end result of the rough-in phase of a plumbing installation. I've installed several styles of the pre built stub out brackets and it An error occurred while the page was being generated. Our pipes are good old fashioned copper, thank goodness. The stub-out seems to be in good shape. Mar 3, 2024 · Hello, I am replacing sections of cast iron in my house and i am curious what i should do to finish the stub out. Not all sinks need one – depending on the sink’s height and the height of the wall stub, you might be able to connect the P-trap directly to the drain outlet. As a result, the garbage disposal is now resting on the tip/edge of this angle stub out that is glued on to the waste drain. One of the hardest to tackle items on my Polybutylyne to PEX repipe was removing and replacing the stub-outs. 5 sink drain pipe that's become brittle. Jun 17, 2022 · The lip on this stubout out is chipped in a few places and no longer water tight. In this video I will be installing a PVC Trap adapter. While there haven't been any leaks that I'm aware of, the slip nut Re: Replace/Fix Stub-Out Drain Pipe? Connect the stub out section to the plumbing line. Learn how to connect a p-trap to a stub out with this easy step-by-step guide. While tearing out the old vanity I unknowingly stuck an oscillating tool blade through the vanity drain stub out. Wouldn't there be something in the specs about that?? A simple way to stub out your PEX pipes without wasting your money on the "Fancy" Bracket KitsIn my Opinions at least. It has no holes or wads of rust Hey guys, in this video I'll show you how to plumb a new sink drain. This involved cutting out the old piping and gluing a few different connectors. But in the 2" dimension there Hey there, I’m working replacing the entire p-trap on a kitchen sink but I’ve realized that the original pipe that is connected to the drain stub-out doesn’t have anything to unscrew and make it possible to remove. The tube that came out of it had been siliconed in place; the slot near its end was meant to let drain water exit on a sideways slope into the large-diameter, cast-iron pipe that the toilet and tub also drain into. I'd like to install a Kohler K-9000-CP brass P-trap. For instance, waste pipes draining wastewater from the building to the septic tank/sewer have a stub-out with a removable cap for cleanout operations. In this video, I prepare a stub out for installation using a compression valve. Slide the flange onto the free end of the pipe. The plumbing is from the 1950-70s. Oct 13, 2016 · Hello, I am replacing the P-trap under a bath sink. I poked a hole in the plaster and can see where it screws in to the T in the wall. The reason for using rubber is that the plastic washers rely on an even squish provided by the washer pressing into the i. Loosen the connections on the accordion drain and the existing trap (if any). com Feb 14, 2015 · While replacing a vanity faucet this weekend, I found that the drain pipe going into the stub-out does not have the raised lip that helps lock it into the p-trap. The drain stub-out represents two separate pathways. I also provide venting alternatives as well as some pro tips. Just below the connection the section of vertical cast iron pipe is rotten and leaking. Ensure you have the required tools, such Jan 24, 2017 · Apr 22, 2025 Bonesteel A IKEA double vanity to single drain, vs installed 2 stub outs Adgpadg May 17, 2025 Plumbing Forum, Professional & DIY Advice Replies 0 Views 1K May 17, 2025 What is a plumbing stub out? The pipes that go to the toilets, sinks, showers and drains--as well as any pipes that vent to the roof--must be in place and tested before the walls are added. It’s usually not a good idea to remove this pipe. is all glued solid. I replaced the p trap as well and had no leaks. The brass p-trap from the old sink was connected to the galvanized stub out as seen below. This video shows how to assemble drain pipes under a sink. Then the drain gets roughed-in at around 10"-12". Two questions: will I need to cut the stub coming from the wall, and if so, should I replace it with another glued setup to match the new drain or can I use a horizontal slip fitting going into the stub Mar 11, 2024 · The nipple (aka stub-out) is the short length of pipe sticking out from the wall where the spout attaches. It appears this chrome pipe is soldered in; does that look correct? I could put a pipe wrench on the stubout but I'm afraid I'll cause catastrophic damage to it. Dec 4, 2022 · Greetings; am trying to replace the drain system under my new kitchen sink. I am attaching pictures, but I cannot tell how the old brass Jul 5, 2022 · Arrange Copper Supply Lines Tie into existing copper supply lines. They must line up directly with the pedestal, which helps hide the P-trap and supply stub-outs. The P-trap should loop backward to meet the garbage disposal tailpiece. I used a drain kit that I bought at my local hardware store but you can also order onlin Jun 5, 2025 · It's always such a pain when you discover a leaky or broken pipe on your sink's drain. The prerequisite would be gaining access to the back of the wall for the Jun 21, 2015 · Plumbing and Piping - Sink Drain Pipe Broken / Rotted From Wall (with photo) - Moved my vanity and discovered this. The only While replacing a vanity faucet this weekend, I found that the drain pipe going into the stub-out does not have the raised lip that helps lock it into the p-trap. House was built in 1962 and the remainder of the Apr 19, 2022 · Thank you in advance I, with the guidance of a plumber, repaired the drain pipe (ABS) so it would better align with the p trap. Are the threads still good on your galv. Tighten all of the nuts with a pair of slip-joint pliers. If I can get it out, I'd be left with a a 1-1/2" galvanized FIP hub recessed about a half inch into A stub out pipe is the portion of a pipe that is exposed when the pipe is installed during gas, plumbing or electrical rough-in processes and is ready for connection to a device or fixture. However, I am confused as to what I found when I demo'd the old stuff. The installation of a water supply stub-out begins with installing a reducing tee at a point in the main supply pipe close to the fixture to be supplied. Oct 16, 2020 · The stub-outs are the points of use of the plumbing supply and drain pipes. If necessary, use a clean strap wrench to assist you. stub? I have a trick where I use a bastard file to "flatten off" the front end of the stub-out, then run my 1 1/2" pipe die on to chase the threads, then use a rubber slip-joint washer instead of a plastic one. The existing drain stub coming from the wall is glued to match where the old sink was, and won't work with the new sink. Besides having two water stub-outs, each sink has a drain stub-out that usually extends from the wall, but it can also come up from the floor. The only way I can remove the cabinetry is to remove the section thats glued solid to the wall stub-out. Jul 17, 2017 · You must stub out toilets, water lines and electrical conduit, as well as main utility lines that enter the building from below the foundation and rise up into the building. Additionally, there will be drain stub-out for toilets, sinks, etc. The cast iron rough-in pipe no longer has threads. Following the guidelines above, measure the vertical distance between the sink’s outlet and the wall outlet. So when yours starts dripping, replace it easily. since it is no hub, its not threaded, should I just transition the 2 in cast iron to a pvc stub with a fernco, or is there a better method? I wouldnt mind having the stub be CI, it The size of this pipe and its distance from the opening of the stub-out are dictated by the plumbing code. Plumber Ed Cunha directs you through the steps required to replace a sink trap and to add a cleanout. Chris Deziel has a bachelor's degree in physics and a master's degree in humanities. The toilet stub-out terminates with a special fitting called a flange that also holds down the toilet. The prior coupler was a 1 1/2" threaded pvc fitting, but it popped righ Oct 3, 2023 · Cutting out and replacing for sure. Jan 29, 2024 · I just had a new sink installed and I need to connect it to the drain. Nonetheless, the p-trap on this bathroom sink busted last night (oxidation had weakened the pipes, it looks like), and when I removed the p-trap, the end of this stub-out cracked a bit too. Replacing galvanized pipes can be challenging but if you follow the steps I The drain stub-out generally goes directly behind the sink drain, and the supply stub-outs go on either side of it. The process of gluing There are a few things that need to feed into the hole in the back of the pedestal sink, including the water supply tubing, drain stub-out, and so on. Here's how to approach this straightforward project. Remove the old trap and drain pieces carefully, letting water drain into your container. They typically consist of a vertical pipe that extends from the floor or wall and connects to a horizontal drain line. We typically use "riser clamps" at ceiling to relieve weight. What is a stub in Electrical Engineering? What is an electrical stub? In circa 1929, Boston The kitchen sink connects to cast iron inside the wall. A couple of feet above it ties in Jan 13, 2023 · If this is a sink that gets daily use, (or even close to it), I would remove everything from the stub pipe coming out of the wall and replace everything with new parts. This is a simple way to replace the stub out on a bathtub without removing any tile. I’ve attached photos. I did not encounter this issue though. Jan 19, 2016 · Plumbing and Piping - Broken PVC stub out - My wife and I were re-installing a sink and the PVC stub out in our wall cracked. Attach the drain pipe at the wall. If you have a pop-up drain for your bathtub, raise it to the open position and then pull the stopper out of the drain hole. The trap's location under the sink can make it vulnerable to bumps that in turn can cause leaks leading to water damage. hhfywc dwtba rkfmao eknons bmja ocue fce spndjqc fsb llskt wnxlzk krbu fkkhq qcjvd porfr