Question: Should I Use PEX-A Or PEX B?

Is PEX crimp or clamp better?

Pex crimp tools are less versatile and you need to have the right size tool for the job.

They are not a one size fits all.

Clamp tools are more versatile and they can be used with copper or the more durable stainless steel clamps.

They more easily fit into narrow spaces and they are a one size fits all..

Do rats chew through PEX pipe?

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.

What is the best type of PEX to use?

PEX-A, which has the most flexible tubing and best freeze- and kink resistance, is ideal for use with kitchen and bath fixtures. PEX-B is slightly less flexible and less freeze-resistant.

Is PEX pipe banned in California?

Unfortunately for Californians, Pex is currently banned by the state. Despite frequent requests for approval, Pex continues to be denied and cannot get added to the list of approved materials when it comes to residential construction projects.

Should I use PEX or copper?

Copper Pipe Lifespan. PEX pipe is not only cheaper than copper but more durable too. PEX is immune to corrosion and mineral build-up, and it’s not affected by electrolysis, which can cause small pinhole leaks in copper piping.

Which is better PEX A or B?

PEX-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. … 8 times the OD for PEX-B & C) is helpful, but offers little practical advantage in most cases. PEX-B is a clear winner in terms of price vs. both other types.

Why is PEX banned in California?

PEX was banned in California due to some concerns about toxic materials leaking through the pipe and into water. Through various national laboratory tests, PEX has proven to be completely safe and durable.

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.Feb 15, 2020

Can I use PEX for shower valve?

Use threaded PEX water line fittings for shower valves. … A plastic bracket forms the sharpest 90-degree angle permitted for this brand of PEX.

What is the safest pipe for drinking water?

Copper pipes with lead-free joint materials are the best choice for water pipes. They are long-lasting and won’t leach chemicals into your drinking water.

Are PEX A and PEX B fittings interchangeable?

Looking at these two pipes side by side, PEX A and PEX B are almost the exact same size. However, the difference lies in the flow restriction.

What is the difference between PEX a PEX B and PEX C?

PEX A is made using the Peroxide, or Engel, method. PEX B is formed using Silane, or Moisture Cure, method. This is the most common PEX pipe type out there. PEX C is created using the Electronic Irradiation, or Cold, method of cross-linking.

How long does PEX last?

100 yearsAdditionally, long-term testing programs on PEX have shown that it has a potential lifespan of more than 100 years. So, while copper systems may have to be re-piped every few years or decades due to corrosion and pinhole leaks, a PEX system can last 10 times longer — or more.

Is a PEX manifold worth it?

PEX Plumbing Manifold Benefits Flexible PEX piping is a better insulator than copper and is not susceptible to rust. Manifold systems cut energy losses as hot water arrives faster at the tap, especially when a loop or ring is added to the system.

Should PEX be insulated?

Does PEX Pipe Need To Be Insulated? Yes, although PEX pipes can withstand freezing temperatures better than other pipe materials – but they are not freeze proof! If the temperature drops below 20 degrees Fahrenheit your pipes have a very good chance of freezing.

Is PEX OK for drinking water?

PEX is used in medical applications and is resistant to high and low temperatures, scale, and chlorine. … In fact, Whelton and his team have found that at least six brands of PEX pipes and a PEX-a green building plumbing system have impacted both the chemical and odor quality of drinking water.

Why is PEX plumbing bad?

PEX plumbing system has been used for more years and therefore its failures has been observed and known. Its major failures is linked to piping and fitting. Piping fails when the pipes are exposed to chlorine that is within the water, exposure to direct sunlight before its installation.

Can you use blue PEX for hot water?

Blue PEX pipe carries cold water. White PEX pipe can be used for either hot or cold water. … There would be no problem, for example, using blue PEX for hot water lines or red PEX for cold water lines. Other types of PEX include PEX-Aluminum-PEX, which is often orange, and PEX for reclaimed water, which is usually purple.