What are the pros and cons of PEX tubing?
- The cheapest one of those 3 types.
- The expansion fitting s couldn’t work with PEX-B.
- The flow rate is superior in comparison to PEX-A, as it is often rated for higher pressure than PEX-A.
- The most commonly use PEX in North America, including compression, pushfit and copper crimp rings. ...
Is PEX plastic tubing better than copper?
Plastic PEX fittings are OK. I f you’re concerned about using plastic fittings instead of metal for PEX, worry no more. Professional plumbers are buying three times more plastic than brass. Brass fittings cost about five times as much, which likely has something to do with it. And pros don’t want a callback to fix their own work on their dime.
What tools do I need to install PEX tubing?
PEX tools. To work with PEX tubing using the standard crimping method, three basic tools are needed: the main crimping tool(s), a pipe cutter, and a de-crimping tool. The pipe cutter is used to make a clean, square cut before inserting the tubing into the fitting.
What are the standard sizes for PEX tubing?
Pressure ratings, testing and pressure drop
- Maximum working pressure indicates highest anticipated operating pressure.
- Pressure testing requirements and procedures should be in compliance with local codes and PEX manufacturer’s instructions.
- Air pressure testing is recommended over water for practical reasons and due to difficulties arising from water freezing during winter months.
Is PEX rigid or flexible?
Cross-linked polyethylene (PEX), a type of flexible plastic, is currently replacing traditional copper and galvanized steel as water supply lines in both new construction and remodeling projects.
Which PEX is most flexible?
PEX-APEX-A is the most flexible of all PEX tubing types, has little or no coil memory and gives installer an ability to repair kinks with a heat gun. It has been in use for over 50 years (which is longer than other types) with few publicly known issues (3), which is a good indicator of reliability.
Does PEX break easily?
PEX pipes, just like any pipe, can freeze when the temperature drops too low. Because the pipes are designed to be flexible, PEX has the ability to expand. Although it is still possible for them to burst, this means PEX pipes are less likely to rupture after freezing.
What are the disadvantages of PEX?
PEX Plumbing DisadvantagesPEX may leach BPA and other toxic chemicals. ... PEX is extremely sensitive to UV light. ... PEX can be damaged by chemicals and pests. ... PEX can't be installed in high heat areas. ... PEX is semi-permeable, which means liquid can enter the pipe.
Which is better PEX crimp or clamp?
0:171:20Differences Between PEX Crimp Connections and PEX Clamp ...YouTubeStart of suggested clipEnd of suggested clipAlthough there are a few pros. And cons to keep in mind for each stainless steel clamp rings resistMoreAlthough there are a few pros. And cons to keep in mind for each stainless steel clamp rings resist corrosion more effectively than crimp rings.
Is PEX better than PVC?
When a connection to copper or other metal pipes is required, PEX works better than PVC because crosslinked polyethylene won't corrode. - Price. When you compare the material costs of PEX vs PVC, PEX comes out more expensive. (However, balance this factor against the lower labor cost to install PEX.)
How do you bend PEX tubing?
PEX tubing is also very easy to bend. To help PEX tubing make turns, you have a choice of three methods: 90-degree elbows, bend supports, and clamps....Bend PEX With a 90-Degree ElbowClean the Tube Ends. ... Mark the Tubes. ... Push the Tube Into One Side of the Elbow. ... Push the Tube Into the Other Side of the Elbow.
How long does PEX last?
30 to 50 yearsBenefits of Copper Pipes While you can expect PEX to last for 30 to 50 years, copper piping will outdo it by about two decades, with a typical lifespan of 50 to 70 years. Copper is a more durable option that isn't susceptible to rodents or sunlight. These pipes can easily handle water pressure of up to 1,000 psi.
What is wrong with PEX plumbing?
PEX piping has a maximum bend radius, which can lead to stress on the pipe caused by improper installation. In addition, extreme bends and kinks place a very high local stress on the wall of the pipe, making it more susceptible to oxidative degradation.
Do mice eat PEX pipe?
The Problem Mice and rats will chew through anything they can, including plastic, so PEX tubing is at just as much risk as the plastic-coated wiring in a car or an HVAC unit. While all rodent damage can be expensive, if rodents chew through a home's PEX water pipes, the result can be disastrous.
Should I use PEX or copper?
PEX doesn't degrade like copper, higher PSI rating freezing pipes will still burst, but PEX will be able to handle more freezing water than copper. PEX Tubing is much more resistant to freeze-breakage than copper or rigid plastic pipe. PEX Tubing is cheaper because it takes much less labor to install.
Should I replace copper with PEX?
Coupled with low production and shipping costs, the savings resulting from installing PEX instead of copper pipes can be significant. Better Energy Efficiency – PEX has a lower thermal conductivity rate than copper. As a result, PEX pipes can help keep hot water hotter for longer periods of time.
What is PEX tubing?
Choose the tubing best suited to your needs: PEX-A is manufactured using peroxide. This type of PEX is the most flexible of the three types and is suitable for use in all home water-supply plumbing needs.
What is PEX pipe?
Cross-linked polyethylene (PEX), a type of flexible plastic, is currently replacing traditional copper and galvanized steel as water supply lines in both new construction and remodeling projects. You’ve probably seen rolls of blue and red PEX pipe in the plumbing aisle of your local home improvement store, but might not know that this colorful tubing now makes it possible for enthusiastic DIYers to replace their own leaky water lines instead of calling a pro. Read on to learn more about PEX—what it is, where it can be used, and all the pros and cons of this popular plumbing material.
What type of fittings are used for PEX?
Hundreds of types of fittings, usually brass, are available for connecting PEX to existing copper or steel pipes, and for making connections to fixtures. Fittings are also available for connecting pipes of different sizes. The following five methods are used for making the connections watertight. Photo: amazon.com.
What color is PEX?
Water flows silently through PEX, eliminating the “water hammer” noise associated with metal piping. Color-coding (red and blue) make it simple to distinguish hot and cold supply lines. PEX can be connected to existing metal supply lines with the correct fittings.
What is the advantage of PEX pipe?
PEX has a distinct advantage over these materials because of its flexibility, which allows one end of PEX pipe to connect to a PEX manifold (the main water control system) and then wind through walls and floors—uninterrupted—all the way to an individual fixture.
What type of PEX pipe is used for hot water?
Blue PEX pipe carries cold water. White PEX pipe can be used for either hot or cold water. Gray PEX pipe, like white, can be used for either hot or cold water (although not all DIY centers carry gray).
How long is a PEX pipe?
PEX is available in a variety of lengths, from short 10-foot pieces (for small repairs) to rolls over 500 feet long, which are used to install a home’s entire water supply system. PEX pipe ranges from 3/8- to 1-inch in diameter and its color-coding makes it a snap to identify what a specific pipe is used for. Although there are three types of PEX (see Label Lingo, below), the different colors don’t connote the distinctions; they simply make it easy for the installer to identify which lines carry hot water and which carry cold.
PEX Pipe Characteristics
If you’ve ever taken a look at your plumbing system and seen a jumble of colorful pipes, you’ve seen PEX pipes. They come in red, white, blue, and gray, and each color is used differently. Red PEX pipes carry hot water, blue pipes carry cold water, and white and gray can be used for either temperature.
The Pros and Cons of PEX Pipes
There are plenty of reasons why DIYers love working with PEX pipes, including their flexibility. However, there are a few drawbacks to consider.
How to Use PEX in Your Home
PEX is a unique and easy-to-work-with material that has multiple uses. DIYers should consider using it for all home plumbing projects as well as for radiant heat flooring.
Plumbing
Leaky pipe? With PEX, you may be able to fix that problem without calling in a pro. But if you’re new to DIY or plumbing, hire a local plumber to do the job. If they use PEX pipes to fix the leak, keep a sharp eye on how they work with it. Then, you’ll feel more comfortable DIYing it next time.
Radiant Heat Flooring
If you’re tired of freezing your bare feet on the bathroom tile every morning, consider DIYing your own radiant heated flooring with PEX. Hello, toasty toes.
How to Connect PEX Pipes
There are several ways to connect PEX pipes, with push-fit being the easiest.
Crimp
With this connection method, copper or brass rings enclose the end of two pipes to secure them together. Use a special PEX crimping tool to secure each one into place. This is one of the most common ways to connect PEX pipes.
What is PEX piping?
PEX pipe or PEX tubing is made of a cross-linked polyethylene plastic, which is a flexible plastic. Because of the versatility of PEX piping, and the fact that it’s flexible and cheap, it’s used for plumbing in both residential and commercial buildings. There are three types of PEX piping: A, B, and C.
Uses for PEX piping
Plumbers use PEX pipings for both hot and cold potable water. Because PEX piping is flexible, it doesn’t need to be installed using traditional branch piping techniques that require more connections; rather, it can be installed to a central manifold with pipes going directly to the fixtures (called “home runs”).
What are the advantages of PEX piping?
The flexibility and versatility of PEX piping make it a great option for many plumbers.
What are the disadvantages of PEX piping?
There are a couple of disadvantages to keep in mind before committing to PEX pipes on your project.
4 ways to join PEX piping
There are many ways to join PEX piping and fittings. All of them require special tools to facilitate the connection.
What is PEX tubing?
They are used for completely different applications as well. PEX tubing, due to its minimal space requirements and high temperature tolerance , is most commonly used for home and business plumbing. PEX is so great for these jobs because it can be so easily curved and bent in any direction without the use of excessive amounts of fittings. It is much easier to install than copper, which has been the hot water standard for generations.
How does PEX tubing work?
Instead of glue or welding, PEX uses barbed metal or plastic fittings placed at intervals or hubs. The plastic tubing connects to these barbed ends with metal crimp rings that are squeezed tight with a special crimp tool. Using this method, connections only take seconds to make.
What is PEX made of?
PEX stands for cross-linked polyethylene. It is made from high-density polyethylene that has cross-linked bonds in the polymer structure. This sounds complicated, but it just means that this material is flexible and can handle high pressures (up to 180F for plumbing applications).
What is flexible PVC?
Flexible PVC is exactly what it sounds like. It is a type of flexible tubing with the same sizing as regular PVC and that can be attached to PVC fittings with flexible PVC cement. Flexible PVC is usually much thicker than PEX tubing, as it has schedule 40 dimensions and wall thickness.
Can PVC be bonded to PVC?
This piping is installed with the same type of fittings as regular PVC pipe. Because it has practically the same chemical makeup as standard PVC, flex PVC can be bonded to PVC fittings with primer and cement. Special flexible PVC cement is available, which is designed to withstand the vibrations and pressures commonly found in pool and spa systems.
Is flexible PVC hot water?
However, plasticisers are added to to the compound, making it flexible. Flexible PVC can withstand temperatures from -10F to 125F, so it is unfit for hot water.
Can PVC pipes handle hot water?
Flexible PVC pipe may not be able to handle hot water, but it has other strengths. It's structural and chemical toughness make flex PVC ideal for pools and irrigation. Chlorine used for pool water has little to no effect on this tough piping.
Why PEX Tubing
PEX Tube is excellent for potable water distribution systems but it has revolutionized underfloor heating since the time it has emerged in the market. PEX is made from a cross linked (stabilized) high density polyethylene (HDPE) polymer. Or popularly known as PEX. The HDPE is melted and continuously extruded into tube.
PEX Tubing for Radiant Floor Heat
Radiant floor heating has been used for centuries. However, the reason for the decline of the use of radiant floor heating in homes and other dwellings in the 1900's was because many floor heating systems that were installed in the using copper tubing or steel pipe.
PEX Tubing : Advantages & Applications
PEX Tubing is very easy to install and very cost effective. It is cheaper than conventional copper plumbing, and has an exceptional track record when it comes to performance and durability. PEX tube has significant advantages over conventional metal pipes like copper, iron, or lead piping. It can also substitute for hard plastic pipe systems.
PEX Tubing : Economical Solutions
PEX tubes are cheaper than other materials used in radiant floor heating. For example the prices of metals are all time high and are growing each passing day. PEX tubing on the other hand is cost effective as well installation time is comparatively less.
What is PEX pipe?
Cross-Linked Polyethylene (PEX or XLPE) is a flexible plastic (polymer) tubing pipe primarily used in both hot and cold-water distribution plumbing systems. During the past two decades in the United States, PEX has also become a common alternative to copper, polyvinyl chloride (PVC), and chlorinated polyvinyl chloride (CPVC) for use as potable (drinkable) cold and hot water system piping.
Why does PEX piping get damaged?
There have been instances of damaged PEX piping following the attempt to exterminate rodents. Rodent poison typically causes dehydration, and the sound of water moving through the piping has been known to cause rodents to chew through the PEX to access the water.
How long does it take for a PEX pipe to break down?
Most PEX manufacturers allow no more than 60 days of sunlight exposure for normal PEX piping and no more than six months for PEX piping with ultraviolet stabilizers added during manufacturing. Studies have shown a dramatic reduction of chlorine resistance after even one week of direct sun exposure. PEX should not be used in exterior settings or in locations exposed to sunlight.
What color is Kitec piping?
Kitec® piping is typically colored blue for cold water and orange for hot water. Brass pipe fittings used in PEX systems, including those by Uponor, Wirsbo, and Aquapex have been subject to lawsuits due to premature deterioration and leakage. If you suspect defective PEX or fittings at your property, an experienced consultant should be retained ...
When was PEX piping invented?
PEX piping was invented in the 1950s and refined during the 1960s for use in for radiant floor heating systems. While PEX is generally considered a safe product and accepted by building codes, the materials and components that comprise the system have several vulnerabilities, and several defective fittings and systems produced by various ...
What happens when zinc leaches from a fitting?
This results in blockage within the fitting, reduced water flow, and leaks. When the zinc leaches from the fitting, the resulting copper becomes porous and weak, which leads to fitting leaks and damage.
Does PEX piping affect water quality?
While PEX has passed many water quality tests, there have been studies showing that various brands of PEX piping affect water quality and that it may contain enough material contaminants to affect the smell and taste of water. In order to address concerns about PEX’s impact on water quality, the State of California requires contractors ...
What surface to use when bending PEX?
Examine the Nailing Surface. When bending PEX with clamps, the nailing surface must be wood. This wood must be flat and sturdy enough to prevent the nails from pulling out. When PEX is initially bent with clamps, it places stress on the clamps.
How to mark a PEX tubing angle?
With a pencil and a straight edge or Speed Square, mark the intended curve of the PEX tubing. In most cases, you can mark the angle out with two straight lines rather than creating a curve. This makes it easier for you to determine the angle, as well.
What is elbow in PEX pipe?
An elbow is an L-shaped fitting that helps to create a 90-degree bend in PEX pipes. An elbow doesn't bend the PEX tubing itself. Rather, two straight sections of PEX tubing are connected to a 90-degree, L-shaped connector.
How to stop stress from pulling out PEX clamp?
Slowly bend the PEX tube to the intended position. To prevent stress from pulling out the first clamp, you may need to hold that end of the tube in place.
What is a PEX clamp?
PEX clamps are individual plastic clips with attached nails. The clamps are nailed over the top of the PEX pipe. They allow for a range of turns, from tight turns similar to those produced by bend supports up to wide, sweeping turns.
How to pull out a push fit connector?
Push the Tube Into One Side of the Elbow. Hold the elbow in one hand and the tube in the other hand. Push the tube into the elbow. You must push in a single, firm motion. Because of push-fit connectors' internal barbs, the tube cannot be pulled out by hand. You will need to use a special remover tool.
Is PEX tubing easy to bend?
PEX is inexpensive, cuts and joins easily, and requires few special tools. PEX tubing is also very easy to bend.
