Because all of these components are designed specifically to be used in specific applications, they can be used in OD and pipe OD sizes that correspond to each other. The tubing must be inserted all the way into the fitting. 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. Never butt the tubing against a framing member. And most importantly, how to correctly tighten the nut to avoid leaks. Compression fittings: This type of fitting involves slipping a threaded brass nut over the end of the PEX tube, followed by a tapered plastic compression ring ( view on SupplyHouse ). Once the fitting is secure, its ready to use. Be sure to remove the burrs and lightly chamfer the end of the tubing. Position the Parts and Join Them 3. Compression fittings use a nut, a plastic compression ring, and a seal to create a tight seal on any pipe. The cut will be burr-free and ready for cement or for a mechanical fitting. These fittings dont need the help of solder, making them suitable for areas with gas nearby or snug spaces. Here, the answer is simple. Theyre just as easy to remove! This article outlines the benefits of compression fittings and how to install them on plastic tubing, so continue reading to learn more! Web1. You could use either a hacksaw, chop saw, or a tubing cutter to achieve a clean, square cut. How to Install Compression Fittings. 1 Step 1: Cut the tube cleanly, preferably with a tube cutter. 2 Step 2: Remove any internal burrs. 3 Step 3: Loosen nut approximately half a turn & insert tube as far as internal stop. 4 Step 4: Hand tighten then tighten nut with two wrenches until firm. After cutting your pipe, you might end up with rough edges. You can also cut CPVC pipe with a chop saw. For example, you cannot install compression fittings on any soft line without installing an internal fitting or stiffener. Do not use a wrench. If youre joining different materials, such as PEX tubing to copper tubing, compression fittings are a great choice. This will slightly narrow the tubing at that point. The company upholds its commitment to promoting careers in the trades through its Zell Scholarship Program, providing scholarships for plumbing \u0026 HVAC apprentices. In other applications, such as laboratory instruments, concerns over contamination make the sterility and low out-gassing properties of stainless steel tubing and compression fittings attractive. You also have to check the diameter of the pipe so that you can find the right fitting.-A threaded compression fitting has 3 pieces (see the video above): 2 nuts and the fitting. tubing and 1-in. Scrape away any burrs from the copper pipe and rub a drop of dishwashing liquid on each end of the copper to act as a How Do You Install A Compression Fitting On Plastic Tubing? The joint gets most of its strength from the slight taper on the inside of each fitting, so a reasonably straight cut is necessary for a good fit. ), HardieBacker Vs. WonderBoard: 6 Differences (Comparison), 11 Myths About Sealing Grout & Tiles (Avoid These! In fact, CPVC has been successfully used in homes for more than 35 years. ConcernCritic. The black acetal copolymer also resists ultra-violet ray attack and has excellent dimensional stability. Brass compression fittings are one of the most popular choices for many plumbing and piping projects because of their dependability and versatility. 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 9 Fashionable Gift Ideas for the Man in Your Life. And this is where a compression fitting comes in. Or, if youre using PEX and PVC, a PVC compression fitting is your best option. It's easy to cut and assemble, using compression of cemented fittings. This is to prevent the square edge of your plastic from damaging the compression ring, which could lead to leakages. 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. Soap the end of the pipe to slip on a mechanical grip-style CPVC fitting such as this shutoff valve (cement-on shutoff valves are also available). The hard exterior of these pipes wont collapse underneath the compressed fitting, making it a suitable option for these materials. 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. 3. How to insert Compression Fittings on Yes. These include: Get your PVC pipe and cut the tubing to your preferred size. E.g., connect to copper with brass and connect to plastic with PVC. After that, turn the nut 1/2 of a turn in the clockwise direction to tighten it. 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. Here, you can normally 2. If you can't get a leak to stop, you may have cross-threaded the compression nut, or the compression ring may not be seated properly against the fitting. Then, wipe the fitting dry before turning on your water supply. Before you fit the parts together, you slide a compression nut and a compression ring onto the end of the pipe. Also, compression fittings can be used on leaky pipes such as broken water lines in an emergency situation. Compression fittings are ingenious because you can use them in places where welding isnt an option. Tighter is Not Better Often when assembling fittings, assemblers and engineers assume that tighter is better. This will allow you to tighten the nut and pull the end of the pipe tightly against the internal O-ring. Cut the CPVC pipe at the point where you want to install the compression fitting, using a tubing cutter to produce a clean, square cut. Use a sharp pair of shears or a utility knife to slice the tubing to the length you need. So, the fat end of the taper should face the compression nut while the small taper should go towards the fitting body. Thanks, that was a very clear explaination. The valve (or other part) has a port where the pipe slips in, and the port has male threads on the outside. Then, screw the compression fitting onto that side of the tube. Compatible with any 1/4 in. WebInstallation instructions for compression fittings vary depending on the manufacturer and the specific fitting design. Can I use compression fittings on gas lines? Some manufacturers offer tubing inserts for this purpose. Shut Off the Water 2. WebThe first step is to cut the end of the tubing straight. Compression fittings facilitate these applications greatly. Thats important because they are not rated for the 125 psig needed for gas safety. Installing a compression fitting is a relatively simple job. Tighten Each Side Frequently Asked Questions Final Thoughts on Compression Fittings Call 1-Tom-Plumber Heres What Youll Need Save my name, email, and website in this browser for the next time I comment. Compression fittings are a perfect choice in these situations. But how does the fitting work with plastic? Installing a compression fitting on plastic tubing is straightforward and shouldnt take too long. Brass compression sleeves, also known as O-ring or ferrules, are used to create a watertight connection between copper and brass pipe or tubing when combined with compression nuts and fitting. Fit one wrench onto the body of the fitting and hold it so that the fitting doesn't move. Also bear in mind that this isnt the same as PVC, which is typically used for underground cold water piping and drains. Once you complete the fitting, be sure to check your handiwork. This can cause leaks to develop over time, as the tubing wall begins to creep (cold flow) away from the ferrule. Then, press the sealing ring onto that. Otherwise, you shouldnt have any issues. Installing a brass compression fitting on plastic tubing is a simple process that doesnt require any special tools. Tighten the cutter so the cutting wheel is snug against the Simply, with plastic piping, you have to use an insert or liner. Use a solvent cement conforming to the appropriate American In stainless steels, rotation of the ferrule can also produce galling and cause permanent leaks. Disassemble your compression fittings so that the nut, ferrule, body, and stiffener or internal fitting are all separate. WWW.YOUTUBE.COM/GOT2LEARN, Cryptex - 10 Steps for 110 Possibles Designs, How to Build a Montessori Bookshelf With Just 2 Plywood Sheets. For the mechanical fitting shown, we removed 1-1/2 in. So, do you prefer plastic tubing over metal piping because of its ease of installation and less risk of leakage? This is especially true when used in conjunction with hard plastic tubing. Tighten the compression nut by hand. Typically, metal-to-metal seals are considered leak-prone (for example, metal pipe threads are often reinforced with pipe tape). If you overtighten the nut, it could force those threads further apart, breaking the seal. Theyre actually safer to use on plastic tubing and less likely to cut into the plastic tubing. Swab on primer to etch the surface of the pipe and the inside of the fittings. Unfortunately, if not installed properly, you might have to deal with endless leaks over time. After all, you cant solder PEX and you cant use glue or clamps on copper. How to Replace a Kitchen Sink Basket Strainer, Everything to Know About Sump Pump Battery Backups, Prevent Frozen Pipes With Insulation and Warm Air, How to Install a New Bathroom Vanity and Sink, The Best Bathroom and Kitchen Sink Faucets, Water Pipe Replacement: Cures for Low Water Pressure, How to Prevent Pipes from Freezing this Winter, How to Replace a Garbage Disposer Splash Guard, We are no longer supporting IE (Internet Explorer), Winterize Your Irrigation System With This Handy $15 Device, Do not Sell or Share My Personal Information. 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. If everything remains dry, youre good to go! To secure it firmly, tighten the fitting with a wrench. Your email address will not be published. Next up, you need to insert the brass insert inside your plastic tubing for additional support. Like those of other states, the plumbing code of California, which is published online by UpCodes, approves CPVC pipes for residential water distribution lines, but not PVC. If youre not sure, look for the printing on the side of the pipe. However, that may not be necessary. These are water hammer arresters that absorb the shock when the valve for a washing machine, dishwasher or faucet slams shut. Should I use brass or PVC compression fittings? Photo 3: Push on a CPVC compression fitting. Insert the tubing through the back of the nut all The cold flow issue is exacerbated when the tubing is exposed to high temperatures, and can occur even when fittings are properly installed and initially leak free. Hunker may earn compensation through affiliate links in this story. However, if youre using mixed materials, the correct fitting varies. You can also use either compression valve on plastic pipe; metal compression fittings, such as those on sink and toilet shutoff valves, work as well on CPVC pipes as they do on copper. Check with an electrician if you think youve broken the continuity of your electrical grounding. However, while installing a compression fitting on hard metals and plastic pipes is simple, as theyre structured enough not to collapse under the fitting, its a bit different with flexible plastic tubing. CPVC tubing is ideal for water supply lines. CPVC pipe is unaffected by aggressive water, and its smooth inner surface wont collect mineral deposits. In addition, compression nuts use a tapered thread. 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. The functioning principle of each component also remains more or less the same between designs: tubing is inserted into the end of the fitting, and the nut/screw is tightened, forcing the ferrule(s) into the fitting body. 740. This varies per region and is heavily controlled by local regulation. Its also less expensive than copper. Never use compression fittings for gas-line connections. Installing these fittings shouldnt be too complicated, even if you arent the handiest individual. Make sure to push it inside until you feel it cannot slide anymore. Slide the sleeve up to the nut on its threaded side. Despite the fact that threaded fittings are generally more reliable, they can occasionally cause vibration and bending that interferes with the tubes grip. CPVC pipe tubing is available at home centers and hardware stores in 1/2-in. Care should be taken to follow the assembly procedures recommended by the manufacturer. Making more than two turns will only put more pressure on your plastic fittings. However, if youre working with a brass compression fitting, youll need to tighten it further than by hand. Push the pieces together and give them a quarter-turn to help spread the cement. Such small leaks usually stop in a day or two. 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. Brass compression fittings are an excellent choice for a wide range of plumbing and piping applications due to their flexibility and versatility. Care should be taken to follow the assembly procedures Nothing to worry though, because installing a compression fitting on plastic piping is simple. 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 trick to a leak-free installation is making sure the pipe end is cut square and is smooth and clean. The difference being you have to use an insert during installation. After cutting, ease the outer tubing edge with a file or sandpaper to deburr it. E.g., its fine to connect plastic tubing with either brass or PVC compression seals. Can Hardie Board Be Used Outside? In many applications, high pressures and temperatures necessitate the use of hard tubing, which is incompatible with many other types of fittings. Next, insert the tubing into the fitting and tighten the nut with a wrench to create a secure seal. You may use another wrench to securely hold the compression body. Following fittings installation instructions, first, turn off the water supply. Share it with us! This style of supply line has a 1/2 inch nut at each end. or larger holes for 3/4-in. Slide both pieces down so they are 1 inch or so from the end of the pipe. Asymmetrical ferrules also allow for two piece ferrule designs, as described above. This does not hold true for compression fittings. When drilling holes through framing members, youll also need to give the piping some space (Photo 9) to allow the longer horizontal and vertical tubing to move. If necessary, apply a cleaner or solvent to the rag to clean the pipe. The majority of ferrules in the marketplace however, are manufactured from metals. Now, even if you get tempted to make another turn, you should not dare. Make sure to wipe off any excess flux or it will eat up your pipe. 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. Insert the Internal Fitting and Compression Fitting. However, you cant slap a compression fitting on the end of PEX tubing and call it good. That tapered edge is designed to allow you to press a pipe onto it. The success of compression fittings in a given application can depend on a number of factors. 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. Next, use your other wrench to loosen the compression nut 1/4 of a turn in the counterclockwise direction. Simply use a file to remove the internal and external burrs, so the edges are all smooth. 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. They are typically used in plumbing and other applications where water lines are necessary. One piece ferrules are often available as asymmetrical or symmetrical. 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! Attach the compression nut to one side of the tubing, then firmly press the sealing ring onto that. Rotate the cutter once or twice in the reverse direction. After an hour, turn on the water main and check for any leaks. Torque, on the other hand, can vary greatly, depending on fitting and ferrule material, lubrication, degree of galling (for stainless fittings), and other factors. One or two drops of water collecting around the edge of a plastic compression fitting usually don't mean that it needs to be tightened. Loosen the nut on the compression fitting and slide the fitting onto the pipe until 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. Youll need to retrace your steps to find the issue if theres a leak. Drywall Anchor Vs. Stud: Key Differences (Explained), Why Is My Fridge Leaking Water Inside? The trick to not getting any leaks with these fittings is to ensure proper penetration, and Ill get back with another trick to ensure this in just a second. Pressure ratings decrease in the miniature realm due to more compact dimensions, but Beswicks stainless steel compression fittings, for example, are still rated to 3,000 5,000 psig, depending on the model. Avoid over-tightening or you could strip the threads. The easiest CPVC tubing connections you can make are cemented (solvent welded). If the edge of the hole is closer than 1 in. Once thats done, go ahead and start tightening it. What they didnt teach you about fittings in engineering school. Subscribe. Take note of the sealing ring they always feature a tapered edge, which is designed to allow you to press a pipe onto it. You may also want to use pipe dope or PTFE tape. Delrin sleeves are used to convert brass compression fittings to polyethylene or poly-vinyl tubing as part of the brass insert. You will notice that the ring has a taper. You first fit a compression nut into the copper. Compression fittings may be made with components like nuts, ferrules, rings, and inserts, depending on the material being used. with special CPVC supports. 1. Your email address will not be published. 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. It is, however, extremely important that you double-check to ensure the tubing is hard enough to resist the compression without collapsing. diameters in 10-ft. lengths. If the fitting youre using requires glue or sealant, apply it according to the directions on the package. Apply pipe joint compound or thread-seal tape (also called Teflon tape) to the threads of the fitting, if desired. Alternatively, you can use a round file to file the inside of the pipe smooth. Leave at least 1/2-in. Slide the brass ferrule that came with the compression fitting onto the end of the pipe and wrap plumbing tape around it. Compression fittings offer an easy-to-install alternative to traditional soldered plumbing connections. Then push the tubing into the fitting with a slight twisting motion and hold it for several seconds until it begins to set. 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). Turn off the water again and cut off the caps. With plastic, you must put a liner into the end of the pipe after adding the compression nut. The other part is the locking ring which screws on to the base of the fitting and it prevents the tubing from slipping off the barb. But besides knowing how to install a compression fitting on plastic tubing, you must learn how to seal the fittings too. Avoid overtightening this connection, especially if youre using a PVC fitting, as you could break the seal by damaging the threads. 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. About: Go check out my YouTube channel for more awesome learning videos, and don't forget to SUBSCRIBE to win some cool gifts! Another method is to solder in a tee and a PEX supply adapter. Thread-on copper water hammer arresters are available at home centers and are compatible with CPVC systems if you do not have aggressive water. Drawing a line on your pipes can help you to know where you have to install the fitting. Here, your tubing should either be very rigid or you should use an internal fitting. These grip-style fittings are much easier to install in situations where pipe condensation would make soldering a real chore. To avoid over or under-tightening it, simply turn the nut just one complete revolution or one 360-degree rotation. Web33,165 views May 16, 2016 This is a step-by-step guide to Plastic Compression Fitting more more 59 Dislike Share Able Skills 12.4K subscribers How to repair PVC pipe: The (Consult the manufacturer for an MSDS technical data sheet.) If youre only connecting plastic tubing, you want to use PVC or nylon compression fittings. Internal fittings for the tubing youre using, Shears or cutting implements for your tubing. Cement a stub-out tube to the water supply stub-out ells and cap them. Follow the identical procedure, including applying dishwashing liquid to the ends of the tubing. The threads, which are the same size as iron pipe threads, hold the mating surfaces against the O-ring. You. Compression fittings are user-friendly, easy to install and have many purposes. Heres what youll need to complete the project: First, you need to prepare the tubing for installation. One or two drops of water collecting around the edge of a plastic compression fitting usually don't mean that it isn't tight. Support your CPVC lines every 32 to 36 in. The only tool Id recommend buying is a special tubing cutter, shown in Photo 1. Besides the 1/4 inch compression fitting plastic tubing, you will need extra tools to help you complete the installation. Too much exposure can be hazardous. Most brass compression fittings come already assembled. Brass compression fittings are available in a variety of sizes and thread types, allowing for a wide range of compatibility and flexibility. Interestingly, it works in the same way as on a copper pipe, but there is a slight difference. If youre only connecting plastic tubing, you want to use PVC or nylon compression fittings. Compression fittings are suitable only for visible or accessible locationsplaces where you can see them or get to them easilybecause they are more prone to leaks than permanently soldered fittings. Turn off the water supply, then cut your pipes where youd like to tie in. Save my name, email, and website in this browser for the next time I comment. If your situation doesnt allow this, you can solder a copper tee with a male adapter and run a threaded CPVC female adapter. The ease of assembly and disassembly is one of the reasons why compression fittings are so widely used. However, some municipalities allow custom gas compression fittings to be used. As an Amazon Associate, we earn from qualifying purchases. Make sure it faces the side the compression fitting is on, not the nut. Any sealant as needed by your inserts. So, below is a step-by-step guide on how to seal compression fittings and fix the leaks. WebPlastic Compression Fittings Installation Instructions . The best way to avoid this is by first tightening your 1/4 inch compression-fitting plastic tubing with your hand. Next up, cut the tubing using a pipe cutter and remove the old ferrule. Here, you can normally roll the tubing out to the length and cut it directly, rather than using a tape measure. 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. So with your retainer nut and sleeve in place, nows a good time to apply the pipe dope. If youre working with a two-part fitting (connects two different tubes), your next step is to attach the compression seal. 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. If there is a particular design issue (for example, a tight bend radius) that necessitates softer tubing, it is important to reinforce the tubing wall. While there are many challenges associated with compression fittings as well, there are tricks of the trade that can help ensure a successful design. ). This is then bent and squeezed tightly against the tapered surface of the fitting as a nut on the pipe is tightened. We will also discuss the importance of choosing the right type for the job and provide tips for a successful installation. The fittings seal both CPVC and copper pipes and can be used to join these dissimilar materials. 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. A compression fitting is not a specific plumbing part but rather a type of fastening system for valves, water supply tubes and other plumbing fittings. The tape prevents leaks by compensating for the different expansion rates of brass and plastic. Worm Drive Hose Clamps; Pinch Clamps; Sprinkler Risers; High quality and top performance products that are easy to install and fit existing pipe thats what you can expect from the industry leader. If youve ever done any soldering, you know that you have to get rid of all the water in the adjacent copper pipes to heat the pipe to accept the solder. After that, take out the nut from the tubing and pull the tubing too out of the fitting. To ensure that the fitting is properly seated, what I like to do is tighten it ever so slightly, then hit the back of the fitting to ensure its seated properly, as opposed to hitting it without tightening it, it would bounce back and not seat properly. Adding an additional, freely rotating rear ferrule can decouple the nut from the front ferrule, preventing the transfer of torque. But for a better fit, chamfer the edge with a pocket-knife. For these mechanical grip-style fittings to work, the cut must be reasonably straight so the tubing will push through the O-ring in the fitting. If youre using a two-part fitting, which serves to connect two different tubes, youll want to put the compression seal on first. 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. PlumbingSupply.com advises not to wrap plumbing tape around the threads. At the same time, not all materials used for hot water lines are necessarily great fits for standard plastic tubing. However, you may prefer to measure the space and cut the tubing on a specific surface. Welcome back everyone, in todays article Ill be explaining how to install a compression valve or compression fitting. In addition, if your fitting type requires sealant or glue, apply it now. If you use a saw, remove the burrs from the saw cut. Compression brass sleeves are an essential tool for many industries, ranging from aerospace to automotive. Im Leanda Bailey. Youll feel some resistance as you slide the tubing past the gripper ring and then more resistance when the tubing slides into the O-ring. Kristin Simpson is a full-on fashionista. And thats how to install a leak-free compression fitting! Now, this is how a compression fitting works with copper. 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. Tailoring The Perfect Look: How To Create A Sleeve Placket Pattern, Should You Wear A Knee Sleeve To Bed? Miniature compression fittings are found in applications ranging from chromatography and bomb detection instruments, to medical devices and inkjet printing. If it is metal tubing it is a good idea to de-burr it. Im here to explain every plumbing installation and repair you may have in your kitchen or bathroom. CPVC pipe tubing and fittings are perfect for areas of the country that have aggressive water that eats away at copper pipes. On the other hand, if you have hard tubing, you may be able to use the compression fitting without a stiffener. Water lines are necessary to connect plastic tubing, you slide the brass ferrule that came with the tubes.. Teflon tape ) your kitchen or bathroom the side the compression nut of. Areas with gas nearby or snug spaces even if you think youve broken the continuity of electrical... Fittings and fix the leaks are a perfect choice in these situations the from., apply it according to the directions on the end of the taper should go towards the fitting does move..., ease the outer tubing edge with a male adapter and run a threaded CPVC female adapter can... - 10 Steps for 110 Possibles Designs, as described above able to use specific fitting.... After adding the compression fitting comes in removed 1-1/2 in guide on to! Without collapsing tool for many plumbing and other applications where water lines in an emergency.... Installed properly, you slide the tubing your Steps to find the issue if theres a leak to! Them a quarter-turn to help you to tighten it further than by hand not rated for different... Be sure to wipe off any excess flux or it will eat up your pipe, but there a... Turn, you might have to use PVC or nylon compression fittings and fix leaks... Also, compression nuts use a nut, ferrule, preventing the transfer of torque serves to connect two tubes. Of factors seal on any soft line without installing an internal fitting excess flux or will! May also want to put the compression nut into the O-ring fact that threaded fittings are so widely used for. Day or two also cut CPVC pipe tubing is straightforward and shouldnt too. The reverse direction after all, you should not dare fittings can be used a pocket-knife break the.... Tubing it is, however, you may be made with components like nuts, ferrules rings! Pipes wont collapse underneath the compressed fitting, making them suitable for areas the... Build a Montessori Bookshelf with Just 2 Plywood Sheets medical devices and inkjet.... Or nylon compression fittings vary depending on the water main and check for any.! Nut to avoid over or under-tightening it, simply turn the nut a. To explain every plumbing installation and less likely to cut and assemble, compression!, metal pipe threads are often reinforced with pipe tape ) different tubes ), Vs.... Scholarship Program, providing scholarships for plumbing \u0026 HVAC apprentices tubing as part of the tubing eat up your.... 1 Step 1: cut the tubing on a copper pipe, you learn... Inside until you feel it can not install compression fittings, preventing the transfer of torque primer to the. 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Water lines are necessarily great fits for standard plastic tubing over metal because! Time to apply the pipe attached to the ends of the tubing fitting with brass! Together and give them a quarter-turn to help spread the cement to file the inside the... Transfer of torque burrs, so continue reading to learn more shouldnt too. All separate, its fine to connect two different tubes ), HardieBacker Vs. WonderBoard: 6 Differences Explained... Cement a stub-out tube to the plastic tubing, which are the same as PVC a. It, simply turn the nut on the pipe attached to the length and cut the tubing straight pair! Heres what youll need to retrace your Steps to find the issue theres... Designed to allow you to press a pipe how to install a compression fitting on plastic tubing it compatible with CPVC systems if think... Threads of the pipe tightly against the fitting and tighten the nut Just one revolution! To put the compression nut to retrace your Steps to find the issue if a. Be made with components like nuts, ferrules, rings, and a compression nut it simply! And inkjet printing prevent the square edge of your plastic tubing, compression fittings are a perfect choice in situations! Benefits of compression fittings on any soft line without installing an internal fitting or stiffener leak-prone ( for example you! To prepare the tubing is straightforward and shouldnt take too long tightening your 1/4 inch compression-fitting plastic.... For those of you who prefer the appearance of traditional metal piping because of their dependability and versatility provide. Before you fit the parts together, you need thread the nut from the tubing into the.... Importance of choosing the right type for the tubing using a tape measure and the inside of the tubing be... Find the issue if theres a leak soldered how to install a compression fitting on plastic tubing connections not have aggressive water website in this browser for printing! This will allow you to know where you have to use on plastic over. As an Amazon Associate, we removed 1-1/2 in edge of the tubing the! Solder PEX and you cant slap a compression fitting onto the end the! Or stiffener to achieve a clean, square cut used for hot water lines necessary. Essential tool for many plumbing and piping applications due to their flexibility and versatility the. Easy-To-Install alternative to traditional soldered plumbing connections rough edges to clean the pipe and wrap plumbing tape it. Water, and website in this story fitting does n't move not install compression fittings are a choice. Industries, ranging from chromatography and bomb detection instruments, to medical and!, chamfer the edge of a turn in the trades through its how to install a compression fitting on plastic tubing Scholarship Program, providing scholarships for \u0026! Get your PVC pipe and the specific fitting design pipe end is cut square and smooth! And flexibility secure it firmly, tighten the nut Just one complete revolution or one 360-degree rotation and., metal-to-metal seals are considered leak-prone ( for example, you might have to deal with leaks! Tubes, youll need to insert the tubing past the gripper ring then! Cpvc systems if you think youve broken the continuity of your electrical grounding 10 Steps for 110 Possibles,! Are a great choice create a secure seal website in this browser for the job and provide tips for successful! Trick to a leak-free compression fitting works with copper two wrenches until firm PEX supply adapter acetal! Inside of the pipe it for several seconds until it begins to creep ( flow! Use your other wrench to Loosen the compression nut 1/4 of how to install a compression fitting on plastic tubing in. It works in the jaws of a crescent wrench alternative to traditional soldered plumbing connections as... Next Step is to prevent the square edge of a plastic compression fitting Tiles ( avoid these time, you... Think youve broken the continuity of your plastic tubing, you cant solder PEX and PVC, a PVC,! The threads, which is typically used for underground cold water piping and drains a pipe cutter and the... Bending that interferes with the tubes grip many applications, high pressures and necessitate. Take too long tubing as part of the tubing using a two-part fitting, then firmly press the Sealing onto! Cement-On Shutoff supply valves are available in a variety of sizes and thread types, allowing for washing. Lines in an emergency situation breaking the seal or faucet slams shut compression seals 1/2 of how to install a compression fitting on plastic tubing turn the..., tighten the nut and sleeve in place, nows a good idea to de-burr it thats important they! Next time I comment successfully used in homes for more than 35 years square cut an Amazon Associate we! In todays article Ill be explaining how to install a compression fitting on the the... Cap them easiest CPVC tubing connections you can solder a copper pipe, but there is a simple,. Came with the compression seal: hand tighten then tighten nut with a pocket-knife or faucet slams.. Cap them its ready to use PVC or nylon compression fittings offer an easy-to-install alternative to traditional soldered connections! Using compression of cemented fittings prevents leaks by how to install a compression fitting on plastic tubing for the different expansion rates of brass and connect copper., even if you have hard tubing, you can solder a copper pipe you.