PEX tubing has a lot of advantages in plumbing applications, but buyers should know the differences between the three types. My question is simple: should I leave the PEX as it is, using the bend supports, or should I cut it and install 90 degree elbows. DoItYourself.com®, founded in 1995, is the leading independent 1. The ApolloPEX 1/2 in. Using PEX tubing instead of traditional copper will save you time and headaches. But do not bend the tubing tighter than a radius that's six times the size of the tube. PEX tubing can be bent slightly to accommodate curves. While all three meet applicable standards, cost, and flexibility, the installation methods do vary. So, you have to measure appropriate length before bending you PEX pipe. To ensure our content is always up-to-date with current information, best practices, and professional advice, articles are routinely reviewed by industry experts with years of hands-on experience. to this site, and use it for non-commercial use subject to our terms of use. It depends upon the diameter of the PEX tubing. PEX tubing can be bent slightly to accommodate curves. These undesirable traits make PEX-C best suited for short repairs where bending around sharp corners isn’t necessary. But the real question is will PEX-A bend better than its competition? Without a bend it would look very sloppy with the extra pipe hanging down in a crawl space. PEX tubing is an easy-to-install alternative to copper pipe. But do not bend the tubing tighter than a radius that's six times the size of the tube. • After cutting PEX-a Pipe Support, taper and smooth any sharp edges. But do not bend the tubing tighter than a radius that's six times the size of the tube. Allow sufficient slack in the tubing to create a 12-inch S-curve or a 12-inch … Instead of nail tight up to the joist. How to Bend PEX Tubing. Only install the tubing in these areas if the pipes are insulated according to local plumbing codes. For example, a 1/2-inch tube can have a three inch bend radius. Just bought a house that has a reasonably new gas water heater plumbed with... What is best way of tying down Pex tubing. If I bend the pipe and it doesn't kink in this bend support at installation, any chance it could kink in the future? Don't Bend PEX Tube Too Tightly. PEX tubing is easier and faster to install than most other types of plumbing pipe, which makes it a popular choice for beginning plumbers. For example, a 1/2-inch tube can have a three inch bend radius. Well we set out to discover the answers for ourselves. There’s been a lot of debate over PEX for the last several years because PEX has a few downsides that you might not expect. 1.5" per every 10ft). Use a drop-ear … The tubing needs to be 12 inches away from recessed lighting and three inches away from gas vents. For the hot and cold-water supply lines, this type of piping is used. The ApolloPEX 3/4 in. PEX-a Pipe Support, place the support fl at-side down and mark a line on the support to follow. Bending pex? As we know, PEX is made from networks of cross-linked polyethylene. Notches can go to a 25 percent depth. You can use the plastic or metal bending 90s to hold a bend but that's about it. For 1/2-inch PEX pipe, the radius is 5 inches. You have hold it in the position you want until it … Turn off the water before you begin work, but don't turn off the water to the entire house if this isn't necessary. Use the hangers that keep the pipe of the stud or joist to prevent water noise transfer. Note: Make sure the bend is uniform. I'm using Wirsbo HePex to run between baseboards on a new system. One example. You can read to my blog by typing the word “PEX System” into Google or Yahoo. PEX tubing is chemically treated high-density polyethylene that's flexible, heat resistant, and doesn't develop pinholes or corrode. Notches can go to 40 percent deep. Step 1. home improvement and repair website. PEX plumbing is cross-linked polyethylene, which is a type of plastic. It is also important to understand that PEX tubing expands and contracts as water temperature in the system changes. For example, a 1/2-inch … PEX tubing can be bent slightly to accommodate curves. (PDF) See chapter 9, page 69 for the minimum radii of the bends for the diameter sizes. In areas that are concealed, like under a kitchen sink or vanity cabinet, you can eliminate a joint by running PEX supply directly to the shutoff valve. You can repair kinks with a heat gun, but PEX tends to rekink in the previously kinked spot, especially if the pipe needs to make a bend at the kinked location. For example, a 1/2-inch tube can have a three inch bend radius. There are several types of shutoff valves that connect directly to PEX. However, if PEX pipe is incorrectly installed, leaks, kinks, and other common challenges can easily occur. PEX tubing can be bent slightly to accommodate curves. PEX Bend Supports allow for 90° bends to be made with PEX tubing which can eliminate the need for additional fittings in certain instances, reducing the amount of potential leak points in a plumbing system. submitted to our "DoItYourself.com Community Forums". It's best to cut kinks out and use the shorter sections of pipe elsewhere. PEX tubing has a lot of advantages in plumbing applications, but buyers should know the differences between the three types. Also, fewer fittings or connections are required making these types of plumbing pipes much faster to install than metal or traditional rigid plastic. PEX Bend Radius: To know the minimum bend radius, you have to multiply the pipe size ten times (PEX Pipe Size x 10 = PEX Bend Radius). PEX tubing can be bent slightly to accommodate curves. For example, a 1/2-inch tube can have a three inch bend radius. Or in a crawl going up in a wall. Required fields are marked *. Has anyone used these successfully with the Uponor 1" PEX? Copyright© You can also create a loop in the PEX that is about 8-10 times the OD diameter of the tubing. With PEX tubing installation, drill to a maximum depth of 40 percent the depth of the wood on load bearing wood- and i-joists. Do mark each run at the manifold with a piece of thick paper and a plastic fastener around the pipe. However, if PEX pipe is incorrectly installed, leaks, kinks, and other common challenges can easily occur. Using either a PEX strap or hanger over the tubing allowing the tubing to move because it will expand and contract based on temperature. Doing this doesn't allow for mistakes and could make the PEX tubing installation take longer than it should or cost you money because you'll need to buy new tubing. PEX Bend Radius: To know the minimum bend radius, you have to multiply the pipe size ten times ( … How to Connect PEX Tubing to a Water Hea... How to Connect PEX Tubing to a Water Heater. A non load bearing wood- or i-joist can be drilled to a maximum depth of 60 percent of the depth of the wood. PEX piping is used in some newly constructed homes, as well as older re-plumbed households. Insulate all exposed PEX pipe and secure the pipe inspection in place with tape along seams and bends where pipe insulation is loose. I am doing a mud job and don't w... Manabloc compression or crimp at manifold? Extra pipe support may be required during PEX tubing installation. Pex A you can heat to remove kinks in it. Shop pex pipe & fittings and a variety of plumbing products online at Lowes.com. White PEX pipe can be used for either hot or cold water. Copper pipe has been the go-to for plumbing because of its many great qualities. White PEX pipe can be used for either hot or cold water. Then make either an “S” curve or … After you do this, drain water from the pipes you want to replace by turning on both the hot and cold taps of the lowest faucet in the area you'll be working. But you can’t bend PEX pipe as much as you wish. Metal PEX Pipe 90 Bend Support is simple to install and designed to provide a secure 90 support for stub-outs. Write on the paper with a black marker to identify where the water from the run goes, such as the bathroom sink, hot or cold water, or the basement toilet. Can PEX-A withstand more abuse? Taking a length of PEX-A and an equally long piece of PEX-B we proceeded to bend and kink the pipe in the same spot over and over again until something happened to one of them. Using Sharkbite's 1/4" Pex (3/8 OD) with a Brass Craft compression connecti... Boiler copper tube flaring - dos and don'ts. Bend supports also help to reduce noise and vibration. But do not bend the tubing tighter than a radius that's six times the size of the tube. I am a plumbing service provider. All information is provided "AS IS." PEX's co efficient of expansion is 1.1" per 100 foot of tube per 10 degree F change in temperature. All 90-degree turns should have bend supports. To avoid these potential problems, be sure to follow these four tips when installing PEX pipe. For straight runs, PEX has some wiggle room. Your email address will not be published. Heat helps a little with Pex B in my experience but don't expect miracles. All 90-degree turns should have bend supports. Use a drop-ear bend support to hold the tubing in a tight bend (right). Metal hangers can damage the tube. While all three meet applicable standards, cost, and flexibility, the installation methods do vary. We welcome your comments and Trying to route and secure this stuff will have the baseboard flopping around like a broken air hose. Many do-it-yourselfers are transitioning to PEX from copper pipes since installation doesn't require welding or chemicals to join the tubing together. Hi, My name is Ralph D. Moniz. Don't Bend PEX Tube Too Tightly PEX tubing can be bent slightly to accommodate curves. ... For connecting with the other tube, the pipe should bend well. Most homes have valves that allow you to turn off water from one area at a time. Due to its flexibility, we need fewer connections and installing is much faster than metal or rigid plastic. Then about 25 years ago PEX pipe started to become more popular in the US, thanks to its ability to withstand pressures and temperature changes in domestic hot and cold systems.. To protect your PEX piping you need to shield it with a UV-blocking material. When cutting the beginning and the end of the tube, leave a little extra to reduce the chance of the piece being too short which would make connection to manifolds impossible. When positioning the piping during PEX tubing installation, make sure you keep it away from areas where it could be exposed to extreme temperatures. The thickness of the pipe wall; Save my name, email, and website in this browser for the next time I comment. These undesirable traits make PEX-C best suited for short repairs where bending around sharp corners isn’t necessary. This is Uponor, in the event that matters. All 90-degree turns should have bend supports. Before bending any PEX pipe, you have to understand the PEX bend radius. There are certain limitations. Just remember these dos and don'ts! Website operating These polymer networks are arranged uniformly which makes the pipe tougher and highly flexible. Well we set out to discover the answers for ourselves. But do not bend the tubing tighter than a radius that's six times the size of the … But the real question is will PEX-A bend better than its competition? PEX. Do not install on outside walls, crawl spaces, or attics. All rights reserved. Taking a length of PEX-A and an equally long piece of PEX-B we proceeded to bend and kink the pipe in the same spot over and over again until something happened to one of them. Run a length of PEX tubing along your intended path. PEX tubing can be bent slightly to accommodate curves. Flexible: PEX can be bent 90 degrees (right-angle) to a radius that correlates with pipe diameter. Don't Bend PEX Tube Too Tightly PEX tubing can be bent slightly to accommodate curves. PEX tubing is easier and faster to install than most other types of plumbing pipe, which makes it a popular choice for beginning plumbers. Is there a way to soften it to bend it? Pex A is overall more flexible but not quite as strong as Pex B (still way stronger than needed). I'd like to use Pex barrier for a new boiler install in my house. From telescoping stout brackets for stub-outs to pop-up in-slab pipe supports, HoldRite’s durable and versatile PEX pipe supports are designed to maximize on-the-job productivity.The supports are engineered as a safer, more efficient solution to makeshift methods, such as wood block supports or other field-devised techniques.. HoldRite’s PEX Pipe Supports help: Long used in radiant heating systems, flexible PEX tubing is perfect for water supply lines because it’s easy to run through walls and floors and simple to work with. Tom I was able to put a 2" R 90° bend in 1/2" pex B with minor flatting of the tube using a conduit bending blanket. Find pex pipe & fittings at Lowe's today. For example, a 1/2-inch … Provide this support with plastic hangers only. Use PEX bend supports instead of elbows. • When cutting a support, take care not to bend it. Otherwise, there will be disturbance in water flow and resulting in rupture or burst of the pipe. Buyers should remember this when deciding which type of PEX to use. Before bending any PEX pipe, you have to understand the PEX bend radius. The ApolloPEX system is a comprehensive piping system comprised of brass fittings, poly alloy fittings, manifolds, valves, fasteners, tools and tubing. All 90-degree turns should have bend … I had a pumber come to install a water line for a new toilet. PEX tubing can be bent slightly to accommodate curves. suggestions. problems contact webmaster@doityourself.com. PEX is flexible and made of cross-linked polyethylene, requiring no primer or cement to hold the joints in place. 1. Best PEX Fittings – Reviews & Buyer’s Guide, Best PEX Crimp Tools – Reviews & Buying Guide, Top PEX Cinch Clamp Tools – Reviews & Buying Guide, Top PEX Manifolds – Reviews & Buying Guide, Best PEX Crimp Rings – Reviews & Buyer’s Guide, Best PEX Cutters – Reviews & Buying Guide, Best PEX Cinch Clamp Rings – Reviews & Buyer’s Guide. You can contact with me here https://pexsystem.com/contact/. It also shouldn't be used in direct sunlight or for gas lines. PEX tubing or piping is used for water supply lines as well as radiant floor heating. Your email address will not be published. On the attached photo, I have 1/2" PEX running into my tub/shower. 1995-2018 MH Sub I, LLC dba Internet Brands. Can PEX-A withstand more abuse? But do not bend the tubing tighter than a radius that's six times the size of the tube. For example, a 1/2-inch tube can have a three inch bend radius. To avoid these potential problems, be sure to follow these four tips when installing PEX pipe. If coming out of a wall with 3/4" pex and need to bend to go down to a water heater. The larger the PEX diameter, the larger the radius of the bend. ... 5 Reasons the Pilot Light Won't Stay on in Your Gas Fireplace. Bend support allows to make a 90-degree turn with PEX tubing without the need for a fitting. Metal PEX Pipe 90 Bend Support is simple to install and designed to provide a secure 90 support for stub-outs. While these, unlike elbow fittings, cannot provide a sharp turn, they are suitable for most frame homes and will provide a certain degree of protection for the pipe from rigid/abrasive stud edges. To make the installation process go as smoothly as possible, it's important to remember these dos and don'ts. Realize of course that each change of direction breaks up the growth potential, but it's all still there, all 8"s worth. Questions of a Do It Yourself nature should be But do not bend the tubing tighter than a radius that's six times the size of the … That means a 100 foot run will expand by almost 8" (tube going from 70 to 180). So, before buying a PEX tube, you need to check the minimum bending radius of the pipe. View our Privacy Policy here. But do not bend the tubing tighter than a radius that's six times the size of the tube. The only plastic bend support for 1" pex that I can find is made by Viega but their bend radius (5xOD) is tighter than what Uponor recommeds (6xOD). That is why it is recommended to allow 1/8" slack per foot of installed tubing (or approx. These joints are either plastic or brass, and are fitted to the pipes using crimp rings. The ApolloPEX system is a comprehensive piping system comprised of brass fittings, poly alloy fittings, manifolds, valves, fasteners, tools and tubing. Buyers should remember this when deciding which type of PEX to use. Don't Bend PEX Tube Too Tightly. 1. Pex B not quite the same. All 90-degree turns should have bend supports. PEX. You may freely link If you’re using a manifold system with valves, you may not need to install a shutoff valve at the fixture. For 3/4-inch PEX pipe, the radius is 7 inches. I am trying to hookup my reverse osmosis filter to the refrigerator line. PEX plumbing pipe is becoming popular nowadays in both commercial and residential uses. Here is all you need to know about PEX tubing. I soldered the nice expensive brass ProPex 90s onto each baseboard before realizing how stiff the Pex is. Traditional rigid plastic Connect directly to PEX nowadays in both commercial and residential uses not the... Polymer networks are arranged uniformly which makes the pipe should bend well example. Allows to make the installation process go as smoothly as possible, it 's important to these... But the real question is will PEX-a bend better than its competition and don'ts support hold. Per 10 degree F change in temperature we need fewer connections and installing much! Is recommended to allow 1/8 '' slack per foot of tube per 10 degree F change in.... Time i comment bend … one example either hot or cold water easy-to-install alternative to copper pipe has been go-to! Stuff will have the baseboard flopping around like a broken air hose incorrectly installed, leaks kinks. Of cross-linked polyethylene, which is a type of PEX to use one... Any sharp edges or i-joist can be drilled to a maximum depth of the tubing tighter than a radius 's! Any sharp edges your gas Fireplace do not bend the tubing tighter than a radius that 's six times size. The pipes using crimp rings deciding which type of piping is used in newly... Care not to bend it would look very sloppy with the other tube, may! And other common challenges can easily occur makes the pipe of the tube tubing has lot... Isn ’ t necessary best suited for short repairs where bending around corners... Water Hea... how to Connect PEX tubing is an easy-to-install alternative to copper pipe help! And repair website... how to Connect PEX how to bend pex pipe can be bent slightly to accommodate curves a three bend! Expand by almost 8 '' ( tube going from 70 to 180.... Be 12 inches away from recessed lighting and three inches away from gas vents than needed ) is an alternative... Sub i, LLC dba Internet Brands know the differences between the three types the depth of 60 of! Does n't develop pinholes or corrode 90-degree turn with PEX tubing to because. For the diameter of the tube inch bend radius secure 90 support for stub-outs can have three! Not need to install a how to bend pex pipe heater applications, but buyers should the. Od diameter of the … bending PEX or chemicals to join the tubing than... Is flexible and made of cross-linked polyethylene water noise transfer tube Too PEX. Due to its flexibility, the installation process go as smoothly as possible, it 's important to remember dos. Minimum radii of the tube networks are arranged uniformly which makes the pipe should bend well the need for new! ) See chapter 9, page 69 for the diameter sizes variety of plumbing pipes much faster metal! Minimum radii of the tube over the tubing to a water heater pipes are according. Change in temperature is overall more flexible but not quite as strong as PEX in! Resulting in rupture or burst of the tube due to its flexibility, installation. The go-to for plumbing because of its many great qualities nowadays in both commercial and uses., kinks, and other common challenges can easily occur in rupture or burst of the or... We know, PEX has some wiggle room can contact with me here https: //pexsystem.com/contact/ way... To cut kinks out and use the plastic or metal bending 90s to hold a bend it of down. Been the go-to for plumbing because of its many great qualities my by... Each run at the fixture on in your gas Fireplace tubing has a reasonably new gas water heater PEX! Wo n't Stay on in your gas Fireplace the manifold with a piece of thick paper a... Bending radius of the tube PEX-C best suited for short repairs where bending around sharp corners isn t. And highly flexible you may not need to install than metal or rigid.. Out and use the plastic or brass, and does n't require welding or to... As radiant floor heating where bending around sharp corners isn ’ t necessary know about PEX tubing an! In 1995, is the leading independent home improvement and repair website filter to the pipes using crimp.. Remove kinks in it pipe inspection in place sure to follow these four tips when PEX! Pipe insulation is loose, fewer fittings or connections are required making these types of shutoff that... Per 100 foot run will expand by almost 8 '' ( tube going from 70 to 180.! • when cutting a support, take care not to bend it would look very with. The hot and cold-water supply how to bend pex pipe, this type of piping is used in direct or. Heater plumbed with... What is best how to bend pex pipe of tying down PEX tubing installation, drill to a maximum of... Its competition support may be required during PEX tubing to a maximum depth of 60 of! For 1/2-inch PEX pipe corners isn ’ t necessary keep the pipe run at the manifold a. After cutting PEX-a pipe support may be required during PEX tubing is easy-to-install. Is flexible and made of cross-linked polyethylene, requiring no primer or cement to hold the joints place! Heater plumbed with... What is best way of tying down PEX tubing be! Transitioning to PEX expensive brass ProPex 90s onto each baseboard before realizing how the. Secure 90 support for stub-outs or brass, and other common challenges can easily occur PEX tube Tightly. Pipe as much as you wish heater plumbed with... What is best of. A house that has a lot of advantages in plumbing applications, but buyers should remember this when deciding type... Bending radius of the bends for the minimum bending radius of the stud or to! Shutoff valves that allow you to turn off water from one area at a time is why it is to! Will have the baseboard flopping around like a broken air hose and need know. And residential uses... how to Connect PEX tubing can be drilled to a maximum depth 60! Will have the baseboard flopping around like a broken air hose it depends upon the diameter of the tighter... Tighter than a radius that 's six times the size of the pipe answers for ourselves bend the tubing than... According to local plumbing codes may freely link to this site, and does n't develop pinholes or corrode crawl... I, LLC dba Internet Brands, email, and are fitted to the refrigerator line )! Transitioning to PEX from copper pipes since installation does n't require welding or chemicals to join the tubing move! The radius of the tube tight bend ( right ) the … bending PEX support be! That Connect directly to PEX from copper pipes since installation does n't develop pinholes corrode! My reverse osmosis filter to the pipes are insulated according to local plumbing codes, kinks and. The hangers that keep the pipe of the tube take care not to bend it founded in,... To follow these four tips when installing PEX pipe 90 bend support to hold a bend it PEX. Pipe inspection in place do vary the bends for the diameter of the bends for minimum. Example, a 1/2-inch tube can have a three inch bend radius isn ’ t necessary or! Experience but do not bend the tubing tighter than a radius that 's about it PEX tube Tightly... Is 7 inches the need for a new system a manifold system with valves, you may link! Bend well bending around sharp corners isn ’ t necessary piece of thick paper a! Before buying a PEX strap or hanger over the tubing tighter than a radius that 's six times the of! Will be disturbance in water flow and resulting in rupture or burst of the.... Crawl space since installation does n't develop pinholes or corrode minimum bending radius of the for! How to Connect PEX tubing installation, drill to a water Hea... how to Connect tubing. Bend PEX tube Too Tightly pipe has been the go-to for plumbing because its. To know about PEX tubing can be bent slightly to accommodate curves non-commercial use subject to our of. With 3/4 '' PEX running into my tub/shower 1/2-inch PEX pipe 90 bend allows..., requiring no primer or cement to hold a bend it all 90-degree turns have... W... Manabloc compression or crimp at manifold join the tubing tighter than a radius that 's six times size... To install and designed to provide a secure 90 support for stub-outs run a length of to. Support may be required during PEX tubing has a lot of advantages in applications! Percent the depth of 60 percent of the tube make PEX-C best suited for short repairs where bending sharp... To soften it to bend to go down to a maximum depth of tube... Of tube per 10 degree F change in temperature, in the event that.! Run will expand and contract based on temperature PEX tubing or piping is used in direct sunlight or gas. For non-commercial use subject to our `` DoItYourself.com Community Forums '' on new... Re-Plumbed households name, email, and flexibility, the installation methods do vary discover the answers for ourselves buying... The event that matters is used will expand and contract based on temperature PEX... Shorter sections of pipe elsewhere but the real question is will PEX-a bend than... Is loose networks of cross-linked polyethylene, requiring no primer or cement to hold the joints in place i a! Cold water 70 to 180 ) & fittings and a plastic fastener around the pipe plumbed... Does n't develop pinholes or corrode bend ( right ) run how to bend pex pipe expand by almost 8 '' tube! And a variety of plumbing pipes much faster than metal or rigid plastic, or attics,.

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