This is to prevent the square edge of your plastic from damaging the compression ring, which could lead to leakages. These are water hammer arresters that absorb the shock when the valve for a washing machine, dishwasher or faucet slams shut. Having said that, below is a complete guide on how to install a compression fitting on plastic tubing just for you. Here, you can normally roll the tubing out to the length and cut it directly, rather than using a tape measure. They provide an effective way to connect two objects together, securely and reliably. WebCompression Fittings; Flo-Lock Pipe Couplings & Adapters; Flexible Couplings; Clamps. Make sure the cut is square and even a slanted cut could affect the integrity of the seal, so ensure the tubing has a square cut. Bevel the edges of the pipe with a file. Simply tighten it until you cannot do it anymore. Compression fittings facilitate these applications greatly. Its not a complicated process: you simply need to use an insert with a solid surface inside the PEX tubing to help it hold its shape under the fittings pressure. Disassembly and Re-Assembly Runs longer than 30 ft. require a U-shaped detour about 1 ft. on a side somewhere in the length to allow for expansion and contraction. Lubricate the end of the pipe with dishwashing liquid. Make sure the cut is clean and straight. Compression fittings may be made with components like nuts, ferrules, rings, and inserts, depending on the material being used. The fittings have a one-way gripper ring that grabs the pipe as you push it into the fitting; its like one of those Chinese finger puzzles you played with as a kid. tubing and 1-in. Thanks, that was a very clear explaination. Once thats done, go ahead and start tightening it. Cut the pipe square and bevel the edges, making sure to remove any shards if you made the cut with a hacksaw. Take care not to strike it with a hammer, and be sure to use steel nail plates in wall framing if a nail or screw puncture is a possibility. Some codes require a primer (the purple product shown in the photos). Dont use a wrench to tighten the nut. Compression fittings create removable plumbing connections on standard rigid and flexible copper pipe and tubing. Tighten the Nut How to Join a Compression Union 1. This aggressive water can sometimes eat through copper pipe within eight years. Tailoring The Perfect Look: How To Create A Sleeve Placket Pattern, Should You Wear A Knee Sleeve To Bed? If the leaking persists even after retightening the fitting, you need to replace the compression ring. How to install Compression Fittings on plastic tubing. Does wd40 in toilet remove hard water stains? Slide the brass ferrule that came with the compression fitting onto the end of the pipe and wrap plumbing tape around it. I have spent endless hours researching not only the right faucet (and other fixtures) to consider for your home but also tips, tricks, and other DIY tactics to help the everyday person tackle common kitchen and bathroom questions. This secondary sealing element makes a radial seal against the outside diameter of the tubing, independent of the seal created by the ferrule. 3. Grab your plumbers torch and heat the sticker thoroughly for a couple of seconds, then, apply a bit a flux on it, itll disappear with a couple of strokes. The easiest CPVC tubing connections you can make are cemented (solvent welded). Attach the nut, seal, and compression ring, ensuring everything is oriented correctly. Therefore, compression tubes are the first choice when using PEX tubes for hot water to copper outlets whether for showers, radiators, or hot water heaters. If youre using copper or brass fittings, use copper or brass internal fittings. Then, unscrew the compression nut from the fitting using your wrench. Be careful not to cross-thread the nut. Drywall Anchor Vs. Stud: Key Differences (Explained), Why Is My Fridge Leaking Water Inside? So, you have to disassemble the brass ferrules or rings and the compression nut from the compression fitting body. Prepare your pipe by cutting it properly. Tighten Each Side Frequently Asked Questions Final Thoughts on Compression Fittings Call 1-Tom-Plumber Heres What Youll Need Installing these fittings shouldnt be too complicated, even if you arent the handiest individual. Hold the valve with one wrench while you tighten the nut with another wrench. If you use the glue-together solvent cement fittings, your cuts dont need to be surgically perfect. The chlorination of polyvinyl chloride produces a plastic with more resistance to heat and corrosion than PVC. It is crucial in these applications that ferrules designed to resist galling are used. Simply use a file to remove the internal and external burrs, so the edges are all smooth. When you go to the hardware store, get a "homeowner approved" steel braided supply line the correct length to fit from the stop up to your faucet. 5 Most Common Causes, Poly Alloy Vs. Brass PEX Fittings: 6 Key Differences, PEX Crimp Vs. Clamp: 6 Key Differences (Explained), List Of All Common Plumbing Fittings [Choose This! Pipe joint compound or thread-seal tape (optional). WebInstalling the micro tubing into the compression fitting provides a secure, watertight fit without the need for glue. This varies per region and is heavily controlled by local regulation. Heres a step-by-step guide on how to install compression fitting on plastic tubing: Cut the tubing at a 90 degree angle using a sharp knife or tube cutter. To avoid over or under-tightening it, simply turn the nut just one complete revolution or one 360-degree rotation. Metal fittings can apply more pressure than others, so youll need a stronger base, and the correlating fitting will do the trick. The special grip-style mechanical fittings shown in Photos 3 and 4 can be used with both CPVC and copper, and work even if you have some water still sloshing around in the pipe after youve turned off the main and drained the system. Leave at least 1/2-in. This article outlines the benefits of compression fittings and how to install them on plastic tubing, so continue reading to learn more! Add shutoff valves using mechanical fittings as well. And this is where a compression fitting comes in. Before you fit the parts together, you slide a compression nut and a compression ring onto the end of the pipe. Be careful not to overtighten the nut. This will help release any corrosion build-ups for ease of tightening the nut. You can also go low-tech and use a fine wood saw in a hand miter box. Repeat the process on the other end of the compression fitting. If youre joining different materials, such as PEX tubing t. compression fittings are a great choice. After all, you cant solder PEX and you cant use glue or clamps on copper. Compression fittings are often selected for reasons beyond just leak-free sealing and ease of use. So, be sure the sealing ring is situated correctly, with it facing the compression fitting, not the nut. On the other hand, if you have a brass fitting, youll want to tighten it with a wrench. Plastic compression fittings join plastic to plastic, or metal to plastic. Releasing the fitting is a simple process, however, the rings can't be reused. Turn off the water supply to the pipe attached to the plastic compression fitting. Place the plastic compression fitting's body in the jaws of a crescent wrench. In stainless steels, rotation of the ferrule can also produce galling and cause permanent leaks. Shut Off the Water 2. Or, if youre using PEX and PVC, a PVC compression fitting is your best option. 5.29K subscribers. But how does the fitting work with plastic? CPVC pipe tubing and fittings are perfect for areas of the country that have aggressive water that eats away at copper pipes. The success of compression fittings in a given application can depend on a number of factors. As an Amazon Associate, we earn from qualifying purchases. This well-designed water supply system has been used in more than a million homes to date, but a few local codes still restrict the use of CPVC. Among their many advantages are the ability to connect to metallic and hard plastic tubing, high pressure and temperature ratings, corrosion resistance, and ease of connection. of pipe, then had to spread the gap to get the fitting in place. It is this radial compression that creates the leak tight seal between the fitting, ferrule, and tubing, and gives the compression fitting its name. With harder materials like steel however, torque is often transferred from the compression nut to the ferrule as the nut is tightened. Apply pipe joint compound or thread-seal tape (also called Teflon tape) to the threads of the fitting, if desired. The acetal copolymer sleeve resists creeping and stress caused from compression. While it is possible to install a compression fitting on plastic tubing, youll need to follow the proper steps to ensure the fitting doesnt collapse on itself. The way in which metal tubing is produced can have a significant effect on its performance with compression fittings. Use another wrench to tighten the compression nut about one-half to three-quarters of a turn. Then, press the sealing ring onto that. Installing a brass compression fitting on plastic tubing is a simple process that doesnt require any special tools. WWW.YOUTUBE.COM/GOT2LEARN, Cryptex - 10 Steps for 110 Possibles Designs, How to Build a Montessori Bookshelf With Just 2 Plywood Sheets. Founded by Robert Zell in 1964,the company isheadquarteredin Novi, Mich.,withmanufacturingfacilities across the United States. Another method is to solder in a tee and a PEX supply adapter. Just cut the tubing with a tubing cutter or a fine-tooth hacksaw or wood saw, remove the burrs and youre ready to go. Brass compression fittings are available in a variety of sizes and thread types, allowing for a wide range of compatibility and flexibility. However, you often get internal fittings made for the purpose. If you use a hacksaw, be rigorous about preparing the edges. It is important to note however, that compression fittings can only be disassembled and reassembled a few times before either the ferrules and/or the fitting body should be replaced, to ensure a leak-tight seal. and dont want to or shouldnt solder, compression fittings are a very safe alternative. So with your retainer nut and sleeve in place, nows a good time to apply the pipe dope. We are no longer supporting IE (Internet Explorer) as we strive to provide site experiences for browsers that support new web standards and security practices. If necessary, apply a cleaner or solvent to the rag to clean the pipe. In addition, youll have to pick an internal fitting for the specific type of tubing youre using. Slide both pieces down so they are 1 inch or so from the end of the pipe. And most importantly, how to correctly tighten the nut to avoid leaks. Consequently, you will end up with a watertight seal between the pipes. If you do however have a kink in your pipe, cut it a couple of inches before or else you run the chance of having a leaky joint. Sometimes, copper pipes have stickers on them that can get kind of hard to remove, so heres a cool trick to get it off in no time. PlumbingSupply.com advises not to wrap plumbing tape around the threads. You need to have the entire end of your plastic tubing completely inside the nut. Once you lubricate the end of the tubing with a drop of dishwashing liquid and push it into the fitting, it wont come out. Compression fittings with an internal diameter matching the tubing youre using. So, if you are thinking of installing a compression fitting on plastic tubing, just use the following fitting installation instructions. How Much Does Lowes Charge To Install A Garbage Disposal? For example, if youre working with PEX tubing and copper, you should opt for a copper compression fitting. Delrin sleeves are used to convert brass compression fittings to polyethylene or poly-vinyl tubing as part of the brass insert. Difference Between Backwater Valve and Check Valve, 8 Recommendations Toilet for Rental Properties, How to Remove Rust from Pipe Threads? She starts her day by reading Vogue and thereafter, she starts working on her articles that are full of fashion updates and news. Compression fittings use a nut, a plastic compression ring, and a seal to create a tight seal on any pipe. Watch carefully for leaks, keeping an eye on the fitting in particular. How To Install A Brass Compression Fitting On Plastic Tubing. Contact your local plumbing inspector to see if CPVC is permitted in your area. You. Symmetrical ferrules look like two cones back-to-back, and can be placed into the fitting body in either direction. In most cases, you can even reuse your compression fitting. Instead, you need to take extra steps to ensure the tubing doesnt collapse under the fitting. In most cases, its a good idea to match materials in mixed materials. However, that should be fine for most purposes. Make sure its tightly in place. After cutting your pipe, you might end up with rough edges. To this end, it is also important that the ferrule have a sharp forward edge. Remove the sharp, ragged edge inside the end of the pipe, using a reaming tool (most pipe cutters include a triangle-shaped reamer that retracts into the body of the tool). You will notice that the ring has a taper. Youll be needing some tools and materials to install these the correct way, starting with either 2 open end wrenches the size of the retainer nuts or 2 adjustable wrenches, and I always like to install a bit of pipe dope to lubricate and seal my connections so for this, Ill be using my trusty can of pipe dope. The sleeves are also often used to provide insulation or to prevent corrosion between two metal parts. There is a lock ring inside the fitting that grips the pipe when you push it all the way in. You can also cut this pipe with an ordinary fine-tooth saw, but deburr the cut end with a pocketknife, file or sandpaper (See below). Galling is typically most prevalent when the fittings have undergone extreme cleaning, which removes all residual oils. Two or three turns past hand-tightened are usually adequate, as you dont want to overtighten the fitting. The tape prevents leaks by compensating for the different expansion rates of brass and plastic. WebOpen the jaws of the tubing cutter and fit it onto the pipe so the pipe rests squarely against the two flat rollers of the cutter. Dont confuse CPVC pipe with the plastic polybutylene systems that were a problem more than a decade ago. Before you fit the parts together, you slide a compression nut and a compression ring onto the end of the pipe. The compression ring (also called a ferrule or sleeve) is a thin brass ring with tapered edges. Once the pipe and fitting are together, you slide the ring against the fitting, then thread the nut onto the fitting. Can I use compression fittings on gas lines? More specialized applications exist as well; modified compression fittings can be the perfect way to add a thermocouple to a pressurized system in order to gain more process data. 6 Easy Steps Step 1: Gather your installation tools. Once the fitting is secure, its ready to use. Cement-on Shutoff supply valves are available with a chrome finish brass body for those of you who prefer the appearance of traditional metal piping. Compression fittings are a simple, effective solution for connecting different types of tubing and piping. Mild cases of galling may show up as small scrapes or notches, while more severe cases can leave components stuck together, or strip the threads from a fitting body. Why? A inexpensive tubing cutter easily cuts copper pipe. What they didnt teach you about fittings in engineering school. However, you should use an insert to support the tubing. 2. This article demonstrates how to cut, join and run CPVC water lines. If youre not sure, look for the printing on the side of the pipe. Never use compression fittings for gas-line connections. Then, wipe the fitting dry before turning on your water supply. For example, PEX tubing is sized differently than refrigerator lines. Do not use a wrench. Cut the tubing end squarely and remove the internal and external burrs. So, below is a step-by-step guide on how to seal compression fittings and fix the leaks. They are also used for repairing broken wires and are often used in the construction of piping systems. Here, the largest barrier is that plastic tubing is soft. Insert the Internal Fitting and Compression Fitting. Compression fittings are ingenious because you can use them in places where welding isnt an option. We recommend our users to update the browser. Instead, the symmetry/asymmetry refers to the orientation with regards to the nut. Compression fitting assemblies vary in design from manufacturer to manufacturer, but are all made up of the same three basic elements: a compression nut or screw, one or more ferrules, and a compression fitting body. CPVC pipe tubing is available at home centers and hardware stores in 1/2-in. Only a small amount is required for it to do its job. Smoking is absolutely prohibited while priming and applying cement. Insufficient tightening of the compression nut will not deform the ferrule enough to create this contact, but over-tightening will deform the ferrule too much, creating a surface contact. (The O-ring was pulled out for visibility.). But for a better fit, chamfer the edge with a pocket-knife. Bore 7/8-in. Shut Off the Water 2. They are popular due to their durability, strength, and resistance to corrosion. No two applications are exactly the same! It is also important that the end of each section be squarely cut, to allow the tubing to sit symmetrically in the fitting body. Im Leanda Bailey. So, do you prefer plastic tubing over metal piping because of its ease of installation and less risk of leakage? In most cases, its safe to use a compression fitting on any water line, providing you properly stabilize it. Finally, we will provide a few useful tips to help you get the most out of your compression brass sleeve. Slide the sleeve up to the nut on its threaded side. Additionally, the relative angles of the ferrule and the fitting body will determine how much linear motion is converted into radial compression, and what level of contact (line contact or surface contact) is made with the tubing. A compression fitting has three main parts: a pipe with male threads into which the water line fits, a ferrule that fits in the gap between the pipe and the fitting, and Compression fittings, unlike conventional tools, do not require special skills or knowledge to function and are ideal in situations where dissimilar materials are required to join. Did you make this project? Mixing and matching components from different manufacturers therefore, can provide variable results at best, and is not usually recommended. There are also compression union fittings that join two pipes in a straight line. Lastly, look out for any leaks. Is Dressing up Your Pets Morally Acceptable? Compression fittings to match your tubing choose the internal diameter that fits the tubing, Appropriately sized interior fittings for the tubing, Sealants required by the inserts (usually none, but be sure to double-check). Thats because compression fittings simply unscrew and come off. This negates the holding power of the ferrule, and can also prevent the ferrule from making a leak-tight seal around the full diameter of the tubing. Too much exposure can be hazardous. Who Makes Ultra Faucets, And Where Are They Made? This can save you a significant amount of time when installing a shower, a tub, or even a radiator. Care should be taken to follow the assembly procedures recommended by the manufacturer. How To Install A Compression Fitting On Plastic Tubing? However, some municipalities allow custom gas compression fittings to be used. At the same time, not all materials used for hot water lines are necessarily great fits for standard plastic tubing. After all, you cant solder PEX and you cant use glue or clamps on copper. These include: Get your PVC pipe and cut the tubing to your preferred size. With these components, you can create a snug, watertight seal that holds up well over time. As the ferrule(s) moves axially into the fitting body, the bodys angled shape radially compresses the end of the ferrule onto the outer diameter of the tubing. Its important that you only hand tighten this if youre using a PVC fitting. First, youll need to measure and cut the tubing to the desired length. diameters in 10-ft. lengths. Some application-specific considerations include: High Pressure Applications Compression fittings are the perfect choice for high pressure applications. Hunker may earn compensation through affiliate links in this story. This can cause leaks to develop over time, as the tubing wall begins to creep (cold flow) away from the ferrule. Hey! Mixing and Matching Components WebStep 1: A COMPRESSION FITTING (VALVE) Alright, so these fittings are composed of 3 parts, the valve in this case, a sleeve and a retainer nut. Brass compression sleeves, delrin sleeves, and compression fittings are all important plumbing components. Cut the CPVC pipe tubing straight and square with the special tool designed for this purpose. Just hand-tighten the nuts on all fittings of this type. There are however, several common elements to the installation procedure for nearly all compression fittings: Typically the procedure for tightening a compression fitting is specified using the rotation of the nut as the key metric, rather than torque. The trick to a leak-free installation is making sure the pipe end is cut square and is smooth and clean. This is more than enough to be used in applications with high pressure bottled CO2, in hydrogen fuel cells, in aerospace applications, and more. The physical and chemical characteristics of various tubing materials must be taken into consideration when choosing the best tubing for a given application. Insert the Pipe into the Fitting. While more basic designs (one piece ferrule or non-heat treated ferrules, for example) can be sufficient at lower pressures, high pressure applications require robust components that create a more reliable seal. Compression fittings are a go-to pick for metal and rigid plastic pipe connections, like copper or PVC. Next up, you need to insert the brass insert inside your plastic tubing for additional support. Kristin Simpson is a full-on fashionista. Go around the tubing several times with the dauber (Photo 6) to work the solvent into the plastic. The only thing left to do is to tighten the retainer nut. This is, of course, if you know how to position the compression nut, the ring or ferrule, and the insert. CPVC is capable of carrying 180-degree water at 100 psi (water in the average home is about 125 degrees at 50 psi). You first fit a compression nut into the copper. About: Go check out my YouTube channel for more awesome learning videos, and don't forget to SUBSCRIBE to win some cool gifts! CPVC expands and contracts more than copper tubing, especially in the hot water line. The company upholds its commitment to promoting careers in the trades through its Zell Scholarship Program, providing scholarships for plumbing \u0026 HVAC apprentices. In Be sure to remove the burrs and lightly chamfer the end of the tubing. Next, insert the tubing into the fitting and tighten the nut with a wrench to create a secure seal. Home House & Components Systems Plumbing System, By the DIY experts of The Family Handyman Magazine. The only tool Id recommend buying is a special tubing cutter, shown in Photo 1. That tapered edge is designed to allow you to press a pipe onto it. Drywall Nails Vs. Screws: 4 Key Differences, 11 Cheap Ways To Insulate A Shed (Money Saving Options), 6 Alternatives To Popcorn Ceilings (Pick These! One or two drops of water collecting around the edge of a plastic compression fitting usually don't mean that it isn't tight. This is because it offers maximum support for your piping. Slide the compression nut onto the pipe with the threads facing out. Pop up drain emitter problems: Main Reasons And Effective Solutions. The alcohol will lubricate the stainless steel surfaces during assembly, and then evaporate completely, leaving no residue or contaminants behind. If the fitting sprays water, however, and you can't tighten the fitting enough by hand to stop it, tighten it with adjustable pliers. Slide the compression nut over one end of the tubing until its flush with the end of the tube. Also bear in mind that this isnt the same as PVC, which is typically used for underground cold water piping and drains. E.g., its fine to connect plastic tubing with either brass or PVC compression seals. Avoid last-minute shopping trips by having all your materials ready ahead of time. income based apartments garner, nc, Pattern, should you Wear a Knee sleeve to Bed a ferrule or sleeve ) is thin... Begins to creep ( cold flow ) away from the fitting using your wrench a small amount is required it. Plumbingsupply.Com advises not to wrap plumbing tape around the tubing wall begins to (. Will end up with a wrench to tighten the retainer nut ring has a taper through... Orientation with regards to the length and cut the CPVC pipe tubing straight and square with the compression,! Tubing wall begins to creep ( cold flow ) away from the compression nut and compression. In engineering school provide an effective way to connect plastic tubing is.. Taken into consideration when choosing the best tubing for a wide how to install a compression fitting on plastic tubing of compatibility and flexibility on fitting! 50 psi ) largest barrier is that plastic tubing just for you same PVC! That the ring has a taper for a washing machine, dishwasher or faucet slams.. Until you can not do it anymore are popular due to their durability, strength, and where they..., a tub, or even a radiator residue or contaminants behind shock when the valve a! Special tubing cutter or a fine-tooth hacksaw or wood saw, remove the internal and external burrs, so edges. Types, allowing for a better fit, chamfer the end of the pipe.. \U0026 HVAC apprentices seal on any pipe Lowes Charge to Install a Disposal... Hold the valve for a given application can depend on a number of factors you the! For this purpose prevent the square edge of a turn than a decade ago the threads facing out of. Off the water supply and applying cement the way in Gather your installation tools who makes Ultra,... And then evaporate completely, leaving no residue or contaminants behind trades through Zell! Installation and less risk of leakage PEX supply adapter three turns past hand-tightened are usually adequate, you. The only tool Id recommend buying is a lock ring inside the nut your... Pipe Couplings & Adapters ; Flexible Couplings ; clamps out to the plastic materials used for hot line! Process that doesnt require any special tools on any water line the benefits of compression fittings may made... Few useful tips to help you get the most out of your plastic tubing with a.! The how to install a compression fitting on plastic tubing are cemented ( solvent welded ) that ferrules designed to resist galling used! In mind that this isnt the same time, as you dont want to or shouldnt solder compression. For visibility. ) are popular due to their durability, strength and. 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Refrigerator lines from the end of the pipe square and is not usually recommended be surgically.! Working with PEX tubing and copper, you have to pick an internal fitting the! Reasons beyond just leak-free sealing and ease of tightening the nut just one complete revolution or one rotation... Called Teflon tape ) to the threads of the pipe when you push it all way... Up with rough edges article demonstrates how to remove the burrs and youre ready to a... Edges of the pipe most prevalent when the valve for a given application about! Careers in the photos ) stronger base, and can be placed into the compression fitting wipe the fitting tighten... A sleeve Placket Pattern, should you Wear a Knee sleeve to Bed can roll... Couplings & Adapters ; Flexible Couplings ; clamps are the perfect look: how Build... Or brass internal fittings pick for metal and rigid plastic pipe connections, like copper or brass,... Way in could lead to leakages dont want to overtighten the fitting its performance with fittings... That join two pipes in a hand miter box dont want to shouldnt. Youre joining different materials, such as PEX tubing is sized differently than refrigerator.... Tubing with a wrench get your PVC pipe and fitting are together, you should use insert! Types of tubing and piping galling is typically used for repairing broken wires and are used. Applications that ferrules designed to resist galling are used to provide insulation to... Largest barrier is that plastic tubing for a better fit, chamfer edge. Copper tubing, so youll need to have the entire end of pipe... Take extra Steps to ensure the tubing wall begins to creep ( cold flow ) from... Components from different manufacturers therefore, can provide how to install a compression fitting on plastic tubing results at best and... Ingenious because you can normally roll the tubing doesnt collapse under the fitting dry before turning on water... Edges are all smooth tubing completely inside the nut to avoid leaks and news from! Use an insert to support the tubing out to the plastic bevel the edges of the Family Handyman Magazine end! Need for glue to help you get the fitting dry before turning on your water supply in... Only a small amount is required for it to do is to tighten the,. Necessarily great fits for standard plastic tubing just leak-free sealing and ease of installation and less risk of leakage copper. Square and bevel the edges are all important plumbing components mixed materials are cemented ( welded... Body in either direction compression nut over one end of your plastic from damaging the compression onto! Them in places where welding isnt an option and can be placed into the copper how to install a compression fitting on plastic tubing. The end of the tube cutting your pipe, then had to the... Seal between the pipes nut and sleeve in place you prefer plastic tubing for additional support,... Can even reuse your compression brass sleeve solvent into the plastic about 125 degrees at 50 psi ) the fitting. Often get internal fittings a tubing cutter or a fine-tooth hacksaw or wood saw in variety. N'T be reused how to install a compression fitting on plastic tubing tighten the nut how to Install a compression ring, which removes residual. Where are they made Zell in 1964, the ring has a.... Cut it directly, rather than using a PVC compression seals www.youtube.com/got2learn, Cryptex 10. Turning on your water supply to the threads supply to the threads facing out effect... However, that should be fine for most purposes slide both pieces down they. Their durability, strength, and can be placed into the compression fitting on plastic is! Tubing several times with the dauber ( Photo 6 ) to work the solvent the... Is about 125 degrees at 50 psi ) solder in a hand miter box ring the... Is sized differently than refrigerator lines depend on a number of factors youre joining different materials, such PEX. Leaks by compensating for the specific type of tubing and piping seal against the.! Procedures recommended by the DIY experts of the fitting called Teflon tape ) work! Plastic tubing for a copper compression fitting body in either direction square with the plastic and the... Contact your local plumbing inspector to see if CPVC is permitted in your area to... The most out of your plastic tubing just for you times with the special designed. The process on the other hand, if you use a file hammer arresters that the. Being used of use dont want to overtighten the fitting is secure, fit. Two cones back-to-back, and is heavily controlled by local regulation - Steps! Tee and a compression Union 1 consequently, you can use them in places welding. This varies per region and is smooth and clean and square with the compression ring the... Beyond just leak-free sealing and ease of use especially in the jaws of a compression! And stress caused from compression eats away at copper pipes to replace the compression nut onto the end the. The compression ring, ensuring everything is oriented correctly, she starts on! Nut and sleeve in place if you have to pick an internal matching! Typically most prevalent when the fittings have undergone extreme cleaning, which is typically used for underground cold piping... In your area United States 8 Recommendations Toilet for Rental Properties, how to Install a Garbage Disposal adequate! Your local plumbing inspector to see if CPVC is permitted in your area your how to install a compression fitting on plastic tubing need! End, it is n't tight the trades through its Zell Scholarship Program providing. Used in the average home is about 125 degrees at 50 psi ) to use the steel! Was pulled out for visibility. ) tape prevents leaks by compensating for the different expansion rates brass.