How to Save Money When Buying How is copper pipe attached？

14:13 26 Aug 24

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I purchased a new AC unit from Mowery this summer. The salesmen and the techs were all very nice and helpful and had the unit set up quickly. The price was comparable to others. Within a few hours though, there was an issue with it. I contacted them and let the overnight dispatcher know that they had just put in a new unit, it wasn't working properly, and they needed to send out someone to correct it. The dispatcher started telling me how much the visit would cost. I let them know that I had just spent several thousand dollars buying the unit and was not paying for repairs on it. They then told me that no one was available and I'd have to call back during normal business hours. I then contacted the salesmen who had helped me and let him know what was going on. He then contacted their on call repairman and had him there within an hour. When checking it out he found that the new unit was missing a vent that should have been put in when it was installed. After installing that and clearing out the pipes connecting it, it has been working fine. While I appreciate the work they have done and am very grateful for the salesman, installers, and overnight repairman getting the issues corrected, being lied to by the dispatcher is unacceptable and I now don't feel as if I'd be able to contact them in emergencies.

Major remodeling projects often involve opening up walls, floors, and ceilings, inspecting old plumbing pipes, and replacing copper with PEX when necessary. Water supply pipes are especially critical to inspect since these carry water under pressure, and the results of a major plumbing leak can be devastating. PEX is especially friendly to DIYers. PEX is easier to work with than the traditional way of soldering copper fittings with a torch. It's widely used by professionals but DIYers can learn the basics of replacing copper with PEX.

What Is PEX?

PEX is a type of flexible plastic piping made of high-density cross-linked polyethylene. It is strong, flexible, and corrosion-resistant. PEX was developed in Europe in the s.

Lee Wallender

Why Switch From Copper to PEX?

At one time, replacing water supply pipes usually meant installing new copper pipes joined with sweat-soldered fittings that required a flame torch and considerable skill to assemble. Copper was the plumbing pipe of choice from the s until and was widely used both in new construction and to replace the galvanized steel water supply pipes that had been the standard into the s. Copper's use has gradually faded due to the introduction of PEX plumbing tubing. PEX, which was introduced in the United States in the s, is preferred over copper for various applications because of several reasons.

Less Risk

PEX is flexible and uses fewer connections and fittings. The reduced number of required fittings in a PEX system also reduces the possibility of leaks. In addition, PEX is corrosion resistant, and it will not develop pinholes that are common with copper pipes.

Lower Cost

PEX material is cheaper than copper and labor costs are lower when it's professionally installed. In addition, PEX tubing is typically connected with either crimp-ring connectors, which require an inexpensive specialty tool known as a crimper, or with push-fit connectors, such as the popular SharkBite brand fittings. Both methods can be used to join new PEX tubing to existing pipes, but because push-fit connectors require no special or costly tools, they are a favorite among DIYers.

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Better Durability

PEX is made of cross-linked polyethylene, a form of flexible plastic tubing with cross-linked molecules that create great durability and strength.

Freeze Resistance

PEX is more freeze-resistant than other types of rigid plumbing pipes. PEX may freeze when it reaches below 20 degrees Fahrenheit but it is less likely to burst like rigid pipes.

Before You Begin

Copper pipes properly installed have a very long life'50 years or more. Copper excels as a building material. It's still found in roof and chimney flashings. Copper pipes that are green and corroded-looking may not necessarily need to be changed; they just look that way.

Yet, copper pipes do go bad eventually. Original copper pipes may be nearing the end of their useful lifespan and it's not always easy to recognize when they need replacement. When copper pipes are just starting to corrode, leaks don't always gush forth and make themselves obvious, but there are early signs you can look for. Any or all of these signs mean that your copper pipe is on its way out.

• Smell: Over time, you might begin to notice a stale, musty smell that you cannot quite identify. It is even more confusing if the smell is in a laundry room, bathroom, or a child's room because you naturally think that the smell is related to the room. But there's a persistent odor that is more like stagnant pond water. The type of smell might be caused by copper pipes leaking within a wall or ceiling.
• Wall or ceiling problems: Wide bulges may start to develop on the ceiling or walls. This might be due to pinhole leaks in the copper slowly dripping on the drywall, causing it to expand. Water can come from other sources, too. Roofs, gutters, and drainpipes are sources of water within walls and ceilings that are unrelated to copper pipes.
• Corrosion: If you open a wall or ceiling for some purpose, such as adding insulation, you may notice that copper pipes in the wall or floor cavity have become green, crusty, and corroded. Such pipes may even already have pinhole leaks that are beginning to ooze water but so slowly that dripping is not yet evident.

Tip

Learn to identify copper pipe corrosion. Copper pipe joints that were sweated into place by a blowtorch have a braised, burnt, or silvery appearance. This is normal and it is not related to corrosion.

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