Black pipe union leaking. Jun 6, 2012 · +1 for the anti-seize compound.

Wipe off any water or dust on the pipe around the leak. Black Iron Union for Furniture Building and Regular Plumbing Applications (4-Pack) Add to Cart. Spread flux on the inside of the union slip connection and the outside of the pipe, slide the union back onto the pipe and solder it with lead-free solder. This is a common occurrence with Hayward filters. If the radiator valve is leaking, you’ll have to drain the water to a level below the leak. If you come across a small leak in the fuel lines, it is essential to address it promptly to prevent further damage and potential hazards. Jan 8, 2023 · I'm installing a pressure value and my union is leaking. The choice of metal depends on the condition of the area and the required durability and stability of the pipe union. Another way to go if you dry everything thoroughly: Coat that joint with about 15 to 25 heavy coats of ABS cement. The most common reason for a union leak is that the connecting pipe is not 100% parallel to the receiving pipe, causing uneven pressure on the seal. Jul 9, 2024 · Apply a layer of epoxy putty to the leaky pipe to stop small leaks. Apr 10, 2009 · I was replacing some gas pipe and the guy at the plumbing wholesaler asked if I wanted to do the connection with a union or a right-left pipe and fitting (giving me a choice). 3 dimensions PIPE DECOR. If it is leaking call a plumber with a gas licence. Two sides of the pipe are set into union fittings, which are then joined together to finish the connection. If this isn’t sufficient, you will need to drain down the system to below the source of the leak. It is used for gasoline, jet fuel and natural gas. Like using epoxy repair, rubber, or silicone repair tape, fiberglass resin tape. I noticed another water stain on the finished basement ceiling – this time it was a leak in the washing machine PVC drain line. Questions Oct 14, 2012 · A Tee hub had a very small leak and the union was still leaking a small amount so I tightened both as hard as I could using big plumbers wrenches and I am now good. Galling is thought to be caused by cold welding of the high points of clean, oxide free metal left when the oxide film is dislodged by surfaces rubbing against each other, especially when threading mating parts of the same grade and surface Mar 1, 2012 · I had a 1" sweat union I installed about 2 weeks ago, and I DID use an 18" wrench to tighten it. Bought a jet pump and tried installing. I would cut the black horizontal ABS pipe downstream of the trap and replace the trap with an adjustable P-Trap. Use two 24-inch wrenches to turn the old union off of the pipe, using WD-40 if needed to loosen the joint. If the pipe is still leaking, you may need to try the repair again or try a different method. Black pipe union fitting Jul 2, 2019 · When these joints get lose, leaks can happen. Nowadays, people rarely use black iron pipes for water because it tends to rust easily. Recently installing hydronic system, I had some small leaks. Hose clamps: Hose clamps use compression to take care of smaller leaks. Quick Fixes for Minor PVC Pipe Leaks. I'm concerned that more tightening will do more harm than good. To fix a leaking pipe joint, simply use your spanner to tighten the joints up. The mains are running high pressure with the homes having PRV's. This is a popular water leak repair solution that can be used around all types of pipes, including galvanized pipes. Excessive tightening may be attempted to stop the leak when this may only cause more damage. Most of that union is OK, but water spews out of about a 1/2" section, so I don't think it possible to separate the items so I can try again with another type of cement that would fill any gaps. Easy Installation: The intuitive design allows for quick and hassle-free installation, saving time and labor costs. With this combo I never had a leak with ammonia proof tested to 240 psi. Last night the customer called and said it was leaking. Aug 13, 2005 · Black poly pipe leak at coupling Here's a first, at least for me. The unions that I took off had a black rubber gasket in them,and the new ones I purchased didn't have the gaskets in them as they were tapered compression style. ) So the system works fine, heat gets to all 5 radiators. Sep 26, 2010 · Leaks may also be caused by pipe threads being loosened or warped. The Y's should be wrapped in duct tape. To identify the actual location of the leak, dry off the pipes with a towel and use tissue paper to blot along the area to find Mar 29, 2023 · How to Repair a Leaky PVC Pipe Joint by sawing out the bad pipe elbow and install a Fernco Qwik Ell flexible rubber fitting with band clamps. com/c Jun 9, 2016 · I put that all over the inside of the Fernco hub. Retighten the union joint to the pipe ends using a pipe wrench. In some cases the leak will disappear after awhile, but when the water is turned back on, the leak will show up again. IF this pipe pictured is double wall, it would be installed in the correct orientation. The existing 4 circulators are installed on various pieces of 1/2" nipples and crooked unproffessional looking returns. 1 specification and 150 class ANSI/ASME B 16. If simply tightening the union nut won't work, sometimes re-positioning the mating surfaces will be enough to stop the leak. http://go. Oct 29, 2019 · Our black malleable iron fittings are leak proof tested and threads are precisely machine tooled for easy connections to natural gas, propane, oil and air applications Threads meet ANSI/ASME B1. Jul 5, 2011 · The old steel pipe was replaced with copper. Apply a bead of pipe sealant all around the leading male thread (360 degrees), leaving the first thread free. The threads are not cross threaded and the the clear plastic washer is in place. A union is generally a coupling made of copper or brass and works best when joining copper pipes together. Mar 21, 2019 · Tighten compression fittings firmly with two wrenches to crimp the ferrule onto the pipe (Photo 3). Every pump has 2 unions, 1 for each pipe it connects to. You do not use any pipe dope on the mating services. The problem is I've tried two different unions so far and Dec 23, 2021 · If you have a portion of gas piping outside there's no controlling the temp. I do not know what you mean by "a special union", unless you are referring to a left/right coupling, because that is what all unions are supposed to do. Did they change the unions? Which design is better. If your black tank is only leaking when it’s full, the problem typically isn’t near the drain valve but rather near the top at one of the connections (vent or drain pipe), or the tank itself has been compromised (i. Artisian well needed more pressure, particularly during summer droughts. pretty standard. The most common metals used are stainless steel, aluminum, brass, copper, cast iron, and bronze. However, for more severe joint issues, cutting and replacing the section may be unavoidable. Hold the pipe in a pipe vise on a stand and cut with a pipe cutter with rotary cutting blades. Mar 22, 2005 · Leaking Brass Union Thread starter ProxyBox; Start date Mar 22, 2005; Old Taper Gas Valve Leak? Black iron pipe repair. [4] ABS Plastic Pipe: "All Black -hit," defective black ABS plastic waste pipe manufactured in the mid 1980's failed by cracking. What is pipe dope? Thread sealant, commonly known as "pipe dope," is used on a pipe to help secure a seal between threaded connectors. This usually stops the leak. It is simply a Male/Female fitting that has precise mating services. Did you no Aug 17, 2006 · I'd make sure the unions are rated for the pressure your dealing with, then I'd try the soap thing and start to tighten till it either quit leaking or felt they were gonna/did break, tight to each of us is not the same, the 3/4" unions I used on the black pipe required the use of a 18" and 24" pipe wrench to quit leaking at 180 psi. The following list looks at Apply thread sealant: Thread sealant should be applied to the threads of the pipe union fitting for preventing leakage. If your radiator is still leaking water after being repaired, follow these steps: Drain your radiator to below the source of the leak; Use a spanner to remove the nut from the leaking radiator pipe Sep 12, 2023 · Repair clamps are sold in hardware stores and create a tight seal around a small pipe leak using a rubber gasket. You may have tracked your leak down to the pipes connecting the radiator to the central heating system. If you crank too hard on a galvanized or black pipe, coupling, tee or elbow, you risk cracking the fitting. Leak-Proof Design: Our Black Iron Pipe Unions are meticulously crafted to prevent leaks, guaranteeing a secure and tight connection. I used pipe dope, not tape. I had to replace it with sch35 drainage pipe. The new black polyethene fits the brass insert Mar 1, 2003 · Black pipe leaking Hello Everyone, I'm in the middle of replacing some haphazardly installed undersized primary piping on my boiler. The old couplings were re-used. Let’s look closer at each potential issue. So cut the pipe at the arrow, and another sliver as wide as the gap in a coupler. Minor leaks at joints can often be repaired using epoxy putty or repair tape without the need for cutting. I guess your point is that may not actually be why it's Sep 14, 2011 · Installation is work intensive but straightforward. Mar 3, 2012 · If using Male and female fitting a seal will be needed eg. Connect the two halves of the union and tighten the nut with a wrench. Insert the male thread into the female thread. Pipe dope is a paste-like substance that contains a mixture of lubricants, plastics, rubbers, and chemicals to form a tight seal. Jan 24, 2021 · Overtightening supply tubes, pipe and fittings and toilet bolts is one of the most frequent mistakes DIYers make. Tested the radiator system last night and at least four of the joints leaked (numerous joints because I had to install the pipes through existing joists, meaning about 15 inches was the longest section) just filling the system up. Unions are not allowed on gas Is your swimming pool pump leaking at the top or side? We provide step-by-step instructions and helpful tips to help you fix your pool pump pipe leak quickl Jul 29, 2009 · I have read many posts on how tight to make one inch black iron pipe, and posts where people address pro and con of tape vs. In many cases, pipe thread sealants offer a rapid and comparatively low-cost solution. Thanks for your help. I took it apart and sure enough there is a scar on the female surface. If this does not help, replace the entire pipe line. Re: Unions on black Gas pipe; Author: PlumberManDan (IA) I checked today with my main 4 suppliers in Iowa, One in MO and 4 in Denver Co area, 2 in Iowa can get them 2 Have them in Stock, MO Has them and 2 in Denver have them in stock, 1 can get them, and one didnt even know what I was talking about. I've tightened that joint, but it's still leaking. Unlike copper pipes, which require soldering, galvanized steel pipe is connected using pipe threads that screw into each other. Apr 11, 2007 · When installing a gas union do you put any type of thread sealant on the union threads or mating surfaces when connecting it or do you do it "dry"? I'm talking about the union joint itself and not the threaded joints where the 2 union pieces connect to the 2 pipes to be joined. Jan 3, 2023 · Pipe clamps work by tightening the pipe and closing off or covering the leak, and they are relatively easy to install in a matter of minutes. Black poly pipe comes in a very wide variety of sizes. That other black piece is like a T that stops the nut from coming off. Jun 13, 2022 · It uses rubber to seal the leaks in a pipe. Union pipe fittings, also known as “pipe unions” or just a union, are two pipes that join together with one male and one female end. Here's how. If you are working with bigger threads, apply the pipe sealant to both the male and female threads. I'm on my 3rd union and they all leak in the same place. The first step when replacing a gas pipe line is to disconnect the existing pipe and get a Re: Gas leak from black pipe union please help; Author: hj (AZ) quote; In the middle there is a special union that allows you to tighten while both sides remain stationary. Our procedure was to use xpando on the pipe threads and nickel anti-seize on the union threads. Then it's up to you if you want to replace the whole part to the left, or just use the new nut on the old union. Some fitters may use Vaseline to seal a leaking union, but this is not recommended for higher pressure applications and it can contaminate the fluid in the pipe. Types of Pipe union fitting. In other words, thread one end of a piece of pipe, apply pipe joint compound (not Teflon tape), screw on a fitting, measure the length of pipe you need from the center of the fitting, mark and cut the pipe, thread it, and install it. Aug 12, 2022 · Once you’ve completed the repair, slowly turn the water supply back on and check the repair area for leaks. Thanks, Feb 27, 2022 · In this video I show how I install gas lines using black iron pipe for propane or natural gas. High-Pressure Socket-Connect Jul 28, 2023 · From https://www. 3. The pipe union fitting should be tightened firmly and not too tightly. Hayward pool filter leaking at bulkhead union. The sealing on a union is on its faces and they come apart readily w/o sealant. On the hot side, first time was the charm and there have been no leaks for a week. (I have not tried Black tape but it sounds like it may work. Oct 6, 2014 · (palmolive) one part with four parts water and apply with a brush. Things You'll Need. Aug 14, 2021 · If you are going to use drainage pipe that will buried more than 12" or have any weight on it, you should not use that corrugated piping. DIY_Novice; Apr 27, 2024; Pipe unions are installed in pipelines so that sections along the line are easily removed without having the dismantle the entire line. I've got the P-trap back on now, but it's leaking at the union-type connection between the two halves of the P-trap. Those would get sealant off course. 3 dimensions Aug 3, 2021 · It depends on the situation and use of the pipe unions. The type of fitting used depends on the size of the pipe you need to connect; for example if it is ¾ inch (or 19mm) in diameter then a nipple and female threaded cap would work best. Leaks can develop over May 13, 2022 · Apply a sealant as a preventive measure or as a repair to prevent further leaks. May 23, 2007 · For a correct pipe thread you should be able to hand tight the fitting 3 turns, use a anaerobic pipe sealant on thread first then 4 turns with tefon tape, hand tight fitting on to pipe, wrench tight fitting 1. Use a 90-degree elbow at the stove to avoid kinking the gas tubing when you push the stove against the wall. Pipe Strength Matters Torque increases more quickly when tightening Schedule 80 steel pipe and cast iron threaded products than Schedule 40 pipes. It still requires 3 screws at each joint. If the patch holds and the pipe no longer leaks, clean up any remaining water from the leak. 0/0. Jun 10, 2018 · Yes, it is summer! You don't wait until it is winter again in order to fix your steam heat boiler system!Now is the ideal time to do some repairs. When you insert the pipe, the stainless steel teeth in our push-to-connect fittings bite down and grip Apr 16, 2024 · What Kind of Leak Is It? Pipe leaks broadly fall into three categories: pinhole, moderate, and gushing. Jan 17, 2012 · The pipe is all 3/4". I have FHW baseboard throughout the house on 4 zones. If a union is leaking, it is best to check the alignment prior to pre-tightening the nut. To stop leaking, you can reseal the unions with a wrench. Mar 3, 2021 · By post 14 I realized the leak wasn't at the union and in post 53 I isolated the leak to the service riser pipe buried about 20" underground. swimmingpoolsteve. Stainless steel fittings exhibit many desirable properties, but a common problem is seizing or pick-up on assembly or disassembly, also known as galling. But what happens when spring a leak?When a copper union pipe starts leaking, the best course of action is to disconnect the union and heat the leaking joint to melt or scape the solder Jul 3, 2015 · Our black malleable iron fittings are leak proof tested and threads are precisely machine tooled for easy connections to natural gas, propane, oil and air applications Threads meet ANSI/ASME B1. Save money and time with this helpful video. It comes as either a paste or tape and helps fill the threads between the pipe and fitting. If you feel water around the unions when you touch them, the unions are the problem and need to be tightened. Most of the leaks are coming from the coupling union. Shop RELIABILT 3/4-in Black Iron Union Fitting in the Black Pipe & Fittings department at Lowe's. Jul 27, 2012 · Plumbing and Piping - Leaking union joint - Leaking union joint I re-plumbed a new pressure regulator but… I am having trouble (leaking a few drops per minute) with the bottom union joint of this new pressure regulator. It is recommended that you use a high-quality cutting oil to help protect the pipe cutter. The lessons I learned doing my first LP gas line rough-in installation: 1) CSST is coslty but much simpler and easier than black pipe. Use a spanner to undo the union nut and open the bleed valve to allow the rest of the water to leave the radiator. , a crack near the top). If you are finding actual leaks your pipe is not threaded correctly, Or you don't have enough thread engagement. One of the most common issues with diesel fuel lines is small leaks. See picture. My question is with the union. The first union is on top of the pump and the second is on the front end. Aug 12, 2020 · Radiator leaks either come from the body of the heater, the bleed point, the valve, or the pipe that fills the radiator with water. May 3, 2022 · Some pressurized water supply pipes are made from CPVC, which are usually cream-colored plastic pipes, 1/2 or 3/4 inch in diameter. youtube. com/NewsletterSignupNow Tim Carter of AsktheBuilder. The whole point of HAVING a union is so you can detach the fi Nov 30, 2021 · Unless your pipe burst open and has an obvious flow of water leaving from one specific part of the pipe, it can sometimes be difficult to identify where a specific source of moisture is escaping from a leaking pipe. What could this possibly mean, you ask? Pretty much the pipe needs to be completely clean so that the epoxy can stick. This will require a glue joint, but will leave you in a much better position for future repair or replacement when necessary. He should remove the leaking pipe and install new then test the whole system with compressed air. Use a small piece of sandpaper around the area of the leak. SharkBite push-to-connect fittings are the core products within the SharkBite System, and provide the easiest and most dependable way to join PEX, copper, CPVC, HDPE or PE-RT pipe in any combination without solder, clamps, unions or glue. This video covers a quick fix to a leaking pool equipment union nut to a salt cell or pool pump. Unions do exactly what they are named to do, join two pipes to form a secure union. Sep 27, 2012 · Slip off the union as soon as the solder melts. If you have a leak on your filter that is not coming from the threaded connections there are a few other things that could be causing it. I'm a little concerned about the down pipe connection to the black tank. Nothing is more than 20' to the meter. Learn how to fix your leaking hot tub heater with The Spa Guy's easy and detailed instructions. I used it for drainage in depths between 2 and 5 feet and it crushed reducing the flow rate. How to repair PVC pipe leak at joint? You can repair PVC pipe leaks by adopting a couple of methods. It is this nut that must be loosened to separate the two halves of the union joint. May 16, 2022 · As a result, it’s critical to address the leak before replacing the pipe. Jun 6, 2012 · +1 for the anti-seize compound. dope. Feb 21, 2024 · I ran schedule 80 gray 3/4 inch pvc in my shop. Size the pipe wrench so that it catches the outer edge of the colar and with some kind of back up wrench tighten it till it stops leaking. Compressor is out back in small compressor house, line comes through the wall, goes straight up, turns in corner and runs slightly uphill for 32 feet, has a down pipe with drain petcock and then mainline runs down to surface mount line which runs around perimeter of shop with outlets spaced for work, blast cabinet, high mounted 50foot hose reel Dec 8, 2009 · The new ABS p trap is leaking a little bit at the threads where the two pieces of the trap join. Take one apart - you will see. By. If the leak persists, use more and ensure that the tape is tightly wound around the pipe. Q: How do I know if I need to replace the PVC union on my pool pump? If you notice a leak around the union or if it is difficult to turn the union handle, it may be time to replace the PVC union on your pool Teflon tape or pipe dope can be used to create a seal on black iron pipe. Jul 15, 2023 · Repairing Small Leaks. First and most importantly, if the filter tank itself is leaking be sure to turn off the pool equipment until you have Jun 21, 2024 · Without a union, the entire pipe would have to be cut to remove the pump, making it more difficult and time-consuming to work on the pump. These leaks can occur due to various reasons, such as age, wear and tear, or improper installation. General uses for this product are for transporting lubricant, oil, grease, Sep 26, 2017 · Shut off the water or gas supply. The new ones were listed as Nov 28, 2009 · The leak point of that connection is the rubber washer where that brass sweat fitting comes in contact with the rubber and the top of that dielectric union. To install the new valves, I applied two wraps of teflon tape and some pipe dope on the 3/8 pipe (it's chromed, but I found out it was brass a little later, if that matters). Aug 13, 2021 · Backflow preventers can leak from the pipe joint connections, from the backflow preventer valve assembly, or the body of the valve may have cracked. askthebuilder. Aug 1, 2016 · Union's were sometimes called 'ground joint unions'. Hope this helps, Larry Re: Leaking Copper Unions; Author: DavidT (MD) I put the 16" pipe wrenches on it and cranked down. Tips: 1) If you cannot hand turn the nut Jan 26, 2022 · Mend a radiator pipe joint leak. Apr 8, 2017 · It could be installed improperly but if your dump valve handle is attached to a cable and the valve is further away then I'm guessing the run of sewer pipe between the outlet and the valve is the source of the 1/2 cup of black water. Put the union together and get the colar good and snug. Union connectors with gasket provide extra leak protection. If that doesn't fix it, replace it. Aug 19, 2020 · Pipe nipples always require sealant (teflon or dope). The pipe comes up vertically from the ground so I need a 3/4 90 degree angled fitting to line intake up with the pump. Is a compound typically placed on the union face? That is the only thing that I can Jun 27, 2010 · I'm running 1-1/2" natural gas line (black pipe) for a whole house generator. Enjoy the process!] Need some help on the best method and tool for tightening (or loosening for removal and replacement) a Union fitting on a natural gas line especially if it's in a tight location (I'll Mar 9, 2019 · In this video we'll show what we had to do to chase down the leak which ultimately lead to tearing open a wall to find the leak. Good Reader Q&A - also see RECOMMENDED ARTICLES & FAQs On 2022-12-16 by InspectApedia (Editor) - oil spraying out of the vent pipe during oil tank fill-up @Judy, What you describe - oil spraying out of the vent pipe during oil tank fill-up - is uncommon and usually means that the tank is being overfilled, OR the oil fill and vent piping are not connected in the required arrangement and spacing. Whether you are a DIYer fixing a When you loosen and retighten the union you can use Gasiola pipe dope. ) If you have sod to go back on top of the pipe or you are seeding over the pipe then you need a layer of soil over the stone that is on top of the pipe. A leak at the joint may be fixable simply by tightening it with an adjustable spanner. On the cold side, I had a slow drip. I can't seem to install a union that doesn't leak. For loosened pipe threads, use a wrench to tighten. Diagnosing and repairing a leaking backflow preventer can be as easy as replacing the washer in the female connections or may require disassembling the valve to clean or replace worn parts. the compression part. When I filled the water heater I Aug 8, 2021 · The "glue" at that joint does not look like normal ABS cement, which is always black. Jun 23, 2015 · When you've got a leak behind your wall, you've got to cut away the sheetrock, expose the pipe and replace the leaking section. Is the secret to solving the leak to tighten it even harder? If so, is it OK to put a pipe wrench somewhere on it? What would be a good place? Edit: What I assumed was a rubber seal actually looks like a cardboard ring. 1. I had to re-run the cast-iron black pipe thru the center of the joints to the radiator. 3 dimensions Mar 20, 2024 · Is the U-shaped drain pipe (called a “trap” or “P-trap”) beneath your sink leaking? If it is, either fix it or replace it with an inexpensive new one before water causes serious damage to the area under the sink. The union itself comprises a male end and a female end, with the female end having a central radial nut. Nothing within a union requires anything extra, but a tiny dash of dope on the threads of a union to create an anti-seize film couldn't hurt. 5 to 2 times with 14" wrench for pipe sizes 1/2" to 1" you will never get a leak, for union smear a coat of anaerobic sealent on union May 29, 2021 · Plumbing and Piping - Brand New Leaky Copper Union - Help Please - I just replaced our gas hot water heater. Drape the rubber over the leak and secure it tightly in place with the hose clamps. 20. This will tell you which joints are leaking. Sooner or later, every pipe will fail. Aug 14, 2008 · I spoke to an inspector and he said there is a zero tolerance on the leak test. Fitting, tighten it. Had to use brass Sep 27, 2012 · I removed an adjustable ABS P-trap under a bathroom sink to clean out the sink overflow with a plunger. Both unions use a rubber seal. Pool filters are the most likely item to develop a leak at the threaded pipe connections. Waiting for each coat to dry fairly well before the next coat. I've always done it with a right-left (though I don't like that way) because I thought that was the code. Jun 1, 2021 · If you have a home built before the 1960s, the odds are good you might have black iron pipe. If the union mating is leaking, back off a little, and retighten. I've done some fairly extensive searching with the soapy spray bottle and found a very tiny bubbling culprit, right smack in the middle of the system (threaded black iron). Double wall has an outer pipe that has the male end up, but liquid cannot leak out the inner pipe joints. It slid right on the pipes, centered and ready to be clamped. Once we found the crack in t Jan 19, 2004 · You should use rector seal #9 for the sealing compound, depending on the pipe (say up to 1") size you are using you should be able to tighten the threads 3 to 4 turns for a hand tight fit, if less than 3 turns your threads wont seal! if more than 4 to 5 turns the pipe will screw in too far and possibly bottom out and not seal depending on the type of fitting it is going into. Mar 18, 2010 · Plumbing and Piping - Leaking brass union - how to properly seal it? - I have a 1 brass union I've placed onto on main line just after my backflow valve. Oil /gas wells use API 8 round thread ( similar to NPS) , API pipe dope is used , it contains metal powders ( lead, zinc, copper) in grease to block the leak path at high pressures. These represent how much water is leaking out of the pipe and the potential danger the leak poses. In this article, we’ll show you how to tighten any connections that might be leaking, or how to replace that drain pipe Dec 10, 2021 · When plumbers are trying to take a pipe apart in a faster manner, there will typically install a union. Video. The PVC unions are one of the few things that are better now than they used to be. For full step by Jul 2, 2024 · Fixing a copper union fitting leaking can be tricky and tiresome. The crack may not happen right away, but the excessive force can break the fitting weeks later, causing a flood. More at the cold than hot side. . Impure or ‘hard water’, rust particles, improper installation, etc all can cause copper unions to leak. So I cranked even more and I did get it to stop. Also make sure the pipe or tube goes straight into the fitting. 1; 2; Showing 1-12 of 14 results. They will take a whole lot more torque than a copper and brass union. I would have to cut out the piece and install a L&R - no unions allowed in the crawl space. Used that and tightened the clamps to 60 lbs. The problem is that some of the unions leak a small amount. Apr 30, 2023 · In this video I show how to fix one of the most notorious leaks you will have owning a pool! Leaks at the top of the pool pump are a very common problem, if Jun 12, 2020 · I have 3/4 poly pipe coming from my well. Fernco makes a torque wrench for it's fittings. Mar 8, 2023 · The pump, particularly around the unions, is the most common cause of leaks. I've use a lot of them, including for that use. Their ease of installation, leak-proof sealing, flexibility, durability, and cost-effectiveness make them a preferred choice for connecting and disconnecting pipes. Make sure you purchase a clamp that’s the same size as your leaking pipe, then: Line up the gasket with the leak. I show how I use pipe thread sealant to seal fittings to the b May 1, 2024 · It exists to provide an easy way to adjust pipe position or direction, or provide a way to insert and remove a fixture like a meter, without having to dismantle all the surrounding pipe work. It is much more likely for a gas leak to occur where pipes join together at the fittings: old shut off valves, tees, unions, flexible supply lines, regulators, and risers. (One was replaced because it broke during disassembly. com/pages/plumbing-leaks. The cold stub is a fraction off of plumb to the supply pipe and the hot stub is dead on. Misalignment will cause a leak. If you have a leak in a CPVC water supply pipe, the leak will be vigorous and impossible to ignore, and you must turn to other repair methods—usually turning off the water supply and replacing the bad section of Oct 28, 2019 · Improperly gaging threads and dirty or damaged threads can prevent joints from sealing. For small leaks or cracks, there are several quick fixes you can try before resorting to more extensive repairs. So the hardest thing about fixing this leak will be relight Oct 1, 2016 · Clean, dry mating surfaces and a dab of pipe dope on the threads of the union to lubricate it. We used schedule 80 black iron pipe. com [5] Polybutylene Plumbing (plastic pipes): gray plastic water supply piping cracked, leaked, and resulted in a class action and settlement. Dec 26, 2020 · Coat all threaded pipe connections with pipe thread compound before assembly. This should buy enough time to call a plumber. (It cost a lot more to do it right). Mar 31, 2005 · You should be using a non-perferated pipe since you are dealing with a main flow. Apply rubber to the affected area then affix the hose clamps Jan 9, 2015 · Unfortunately it is common for the nut to crack, causing a leak at the union. The gasket is the rubber, rectangular part of the clamp. Quiescent whole-house emissions (i. Dec 21, 2010 · I just installed a new water heater (GE, 40 gal, gas) and am having problems with the connection where the integral pipes (insulated w/blue plastic nipples) and the dielectric union fit together. If it is a threaded brass union leaking or any other threaded brass fitting for that matter, there are two effective ways that can help stop the leaks: By using Teflon tape; Using pipe thread compound Mar 5, 2022 · Correct. Amazon sells it. Jul 16, 2024 · DIY Solutions to Fix a Galvanized Pipe Leak Using Pipe Repair Tape to Fix a Galvanized Pipe Leak. It's a threaded connection, and I used plenty of pipe dope, but as the pressure builds while filling it begins to leak. Sealing tape. Fit the metal portion of the clamp around the gasket. Common household pipe sizes often range between 3/4 inch and 2 inches, but these pipes can also be measured in millimeters between 16 mm and 1,000 mm for specific projects and industrial purposes. If they are not aligned, they may or may not pull together perfectly straight when you tighten them and if they do not, the joint will leak. To check joints for leaks, running water through the system should be used. They range from 1″ to 3/4″. We also often find leaks where “black iron” piping is not properly protected from the elements. Check this out if your copper union pipe is leaking. The union allows one to join pipes - where each end is fixed. If these connections are not tight enough or get disturbed, leaks can occur. Pinhole Leak. I have done a little research online and found suggestions for sealing the threads with teflon tape, pipe dope or even using some wax from a toilet wax ring. If the fitting leaks after you turn on the water, try tightening the nut an additional one-quarter turn. Two leaks on different sides of the room in the same month! Go figure! May 25, 2022 · Plumbing codes don't specify which fitting you should use in a particular situation, so the decision is up to you. Take a small ball of epoxy putty out from the packaging and knead it together between your fingers until it has a uniform color. Sometimes it's just enough to stop the leak. Proper Wrenching Mar 10, 2022 · If you're in a bind, the leak can, at the very least, be slowed with a piece of rubber and hose clamps. Screw the two pieces together, which also spreads the pipe sealant so it fills in any gaps. On the second leaking union, cranking with the big wrenches almost seemed to make it worse. html this video talks about a common leak source with PVC valves and union connections. Because it's easier to install, especially if you're working with plastic plumbing pipes, a coupling is generally the go-to choice, but a union is a better choice if you expect to have to disassemble the joint in the future for maintenance. I thought you weren’t supposed to put dope on flared fittings and unions. Highlights of Black Iron Pipe Unions. Just so everyone is clear, here's what the union looks like: It is a threaded brass union. The numerous external factors at play - water and soil chemistry, installation errors, and so on - complicate the issue, often making it difficult to pin down any one reason for a particular leak. Jun 22, 2010 · I used black pipe and a new gas approved shut off,and lots of gas pipe dope. Give the colar a good rap or two with a wrench. Some china, some usa. If you h Oct 21, 2021 · Re point 2: I quote the first line of the OP's question, "I messed up the soldering of this 1" copper union (solder went into the threads)". In a previous job I installed and serviced large ammonia refrigeration systems. abspipes. Sometime even matched union pieces can leak slightly so in this case yes, but it is not considered good craftsmanship. I don't know what size unions these are, or what material they are but on a black iron 1/2" union I'd throw a 12" and 14" wrench on it. Leaks are gone. I use these connections exclusively even though galvanized clogs up over time. I changed out both water unions and inspected the new ones before soldering to new stubs. NPS has a spiral leak path that must be filled with something to hold pressure ; for pressures of municipal water and gas teflon tape and pipe dope are satisfactory. Feb 1, 2021 · Most pipe fittings are made of brass with some of the most common being union tees, elbows, crosses and couplings among others. The easiest thing to do is go down to your local big box store and look at them. Variety of sources of pipe: big box stores, and plumbers supply shops. In some places we used unions. Use only ABS cement. You can also place a thick rubber over the leak with the help of home clamps. Nov 23, 2022 · Black Poly Pipe Sizes and Fittings . Phosphate-coated and zinc-phosphate-coated fittings offer some corrosion resistance, but aren't intended for corrosive environments. Apr 8, 2021 · The repair tape adheres directly to itself rather than adhering to the PVC pipe. Jul 12, 2021 · Where is it leaking-at the union joint, or one of the threaded ends. I know that the unions are sensitive to alignment but they all fit well. com/stores/steve-lavlavimoniere productions llcsubscribe to my channel https://www. com dem May 29, 2018 · Key is to pre-align the mating surfaces as much as possible. Sep 14, 2018 · Here’s an ancient plumber’s secret– the wet spots on the paper towel are the spots where your pipe is probably leaking. Aug 27, 2009 · To avoid fit up problems, measure from end of a pipe to the center of the fitting you are going to install. There are several types of pipe clamps used in temporary repairs, including patch clamps, flange-type clamps, and pinhole clamps. The union nuts on pool equipment crack and leak over time a Jul 22, 2012 · It is a good idea to lubricate all contact areas of the union with a silicone food grade lube. Let the pipe and union cool for 20 minutes. Check out the specs just in case someone says your not supposed to use pipe dope on black pipe natural gas lines. The nut is free once off the swg but stuck on the pipe side. leaking copper water pipe repairmerch = https://teespring. Like the piping network, copper unions can leak as well. How to Repair Leaking Pipe Unions. com. You have to break the nut loose, then tighten one half of the union a bit, then crank nut back tight again. Union connectors separate into three pieces so you can access your line without unthreading pipe connections. If the leak is in the joint, however, the joint's shape may prevent this method from working effectively. Inspect the threads of the pipe and see if they need to be tightened or replaced. Additional information: www. Still a drip. It had loosened somehow and even though I tightened it at least one more turn it would not stop dripping so I took it apart and put pipe dope on the faces and tightened it again WITH an 18" wrench. Feb 18, 2011 · Concerning pipe dope, use it as a last resort. This makes connecting a galvanized union fast and relatively straightforward. It should hold the pressure for with no leaks for at least 1/2 hour. Its not leaking but the glue job is questionable. Dec 27, 2005 · Not much but they still all leak. Are you allowed to put pipe dope on the threads of a union. Sep 25, 2007 · I suspect that if tightening will not stop the leak, you need to replace the union (both male and female sides) and take care that the two surfaces are aligned when you assemble the joint. To use it, tightly wrap the repair tape around the leak and then test the pipe. You seem to acknowledge that after the listing of leak reasons, but this was the first thing that hit me - "OP knows why the joint is leaking!". After going through with the leak fluid starting from the last joint working towards the union fitting I'd need to start with, I found the leak this time right at the union. Afterward, more modern homes started using more user and cost-friendly PVC pipes. Whatever the material, whatever the quality, whatever the conditions, nothing lasts forever. Press these fittings onto stainless steel pipe using a crimping tool for a permanent, leak-tight connection that's faster than threading or welding and doesn't require heat. , pipe leaks and pilot lights) were measured using a mass balance method in 75 California homes, while CH4 to CO2 emission ratios were measured for steady operation of individual combustion appliances and, separately, for transient operation of three tankless water heaters. This particular model works by the threaded nut compressing the two parts together. When performing any plumbing project, choosing the right thread sealant is important. 3 days ago · What Is Pipe Dope, And What Does It Do? Pipe dope is a thread sealant used to join water and gas pipes to prevent leaks. Apr 18, 2024 · Leaking Black Tank Troubleshooting Diagram. The tape uses compression to fix the leak, so you want to make sure your wrap is tight and secure. ABS cement, when thick and hard is very tough. e. Apr 18, 2009 · The union is where I tried to cement the threaded male end of a 1 1/2" solvent weld union to an existing pipe. One of the easiest and most affordable ways to fix a galvanized pipe leak is to use a pipe repair tape kit. Jan 29, 2024 · Gas pipe unions, particularly black pipe union fittings, play a vital role in gas distribution systems and plumbing networks. The pipe should be installed with fall from the valve to the outlet but for one reason or another it ends up . 2. The bottom union leaks ever so slightly, perhaps a drop or two per Jul 28, 2023 · If you have a black rubber O-ring or gasket inside of your PVC union then you might try to remove the O-ring and apply a silicone based lubricant to it. If necessary, use a bushing to reduce the existing 3/4-inch female pipe thread to 1/2 inch. Prepare the pipe. The inner pipe inside that type faces downward to prevent leaking out. Pipe wrench. A customer of mine's poly line developed a crack halfway to his house, shortest distance would be 120 feet. Steve Sloane. Found a leak on a black iron union for a boiler, tightening didn’t stop the leak, the lead just threw some pipe dope on it and said it’s fixed. 3/4 in. If the pipe union is damaged, use a reciprocating saw to cut the section of pipe where it is broken or leaking. You start by measuring the run length and cutting the black iron pipe accordingly. These pipes were typical for water and gas lines back then, even up until the 1980s. I have only done it a handful of times when i could not get a new union. Hydronic systems last 50 years plus, using black pipe and have no leaks. Identify the leak, then wrap the tape around the leak covering a little bit to the left and a little bit to the right of the leak so that the entire leak area is covered. Pinhole leaks are small, difficult-to-find leaks that slowly release water from a pipe. teflon tape and firm is sufficent because if you're just jaming the brass together you can break the seal provided by the teflon or similar, if using unions they seal brass to brass and use the above mention nudge and grunt rule, just be carful not to mishape the fitting as brass can crack or bend with undue force. lltedm gqlnz xalpyy uvzmwms rchnopy kvcvvp xdjuow zywlle deyrz touk