Can you use blue PEX for hot water?

Publish date: 2025-03-18

Answer

The hot water is delivered by red PEX tubing. Cold water is delivered via blue PEX pipe. White PEX pipe may be used for either hot or cold water, depending on the application. Gray PEX pipe, like white PEX tubing, may be used for both hot and cold water applications (although not all DIY centres carry gray).

I was also asked whether it made a difference what colour PEX I used?

The colour of PEX tubing has no effect on any of the tubing’s performance ratings. There would be no issue, for example, with utilising blue PEX for hot water lines and red PEX for cold water lines in the same installation. Other varieties of PEX include PEX-Aluminum-PEX, which is often orange in colour, and PEX for recovered water, which is typically purple in colour.

One could also wonder why PEX is prohibited in California?

Church, executive director of the Plastic Pipe and Fittings Association, speaks at a conference in Washington, DC. According to Uponor Wirsbo, their PEX pipe was first launched in California in 1990 and has shown to be effective in resolving difficulties in locations with aggressive soil conditions that copper pipe is unable to address.

Also, can PEX be used to connect straight to a water heater without any modifications?

It is not possible to connect PEX directly to a water heater. In order to connect the PEX supply to the pipe, you must first extend a pipe 18 inches from your water heater.

What is the maximum temperature that PEX can withstand?

The temperature is 200 degrees Fahrenheit.

There were 36 related questions and answers found.

What exactly is the problem with PEX plumbing?

Failures of the PEX Piping fails when the pipes are subjected to chlorine that is present in the water, as well as when the pipes are exposed to direct sunlight before being put in place. Furthermore, when it comes into contact with solutions such as petroleum compounds and oxygen, PEX pipe is susceptible to corrosion. It has the potential to leach harmful substances from pipe material as well.

How long does PEX have a shelf life?

a period of fifty years

Is it necessary to insulate PEX pipe?

Yes, I would insulate the pipe, not least because the water in the pipe would remain warmer for a longer period of time. Despite the fact that PEX is a better insulator than copper, having hotter water pass through the pipe more quickly is beneficial. Make use of your pex and discover what you can sense.

Is it possible to use orange PEX to make drinking water?

A great flexible water pipe tubing product for plumbing, radiant, and hydronic systems, SharkBite PEX Tubing is made of polyethylene (PE). Orange PEX tubing is designed for use on both hot and cold potable water lines, and it is often used in radiant floor and hydronic heating applications, among others.

What size PEX should I use for my project?

For residential applications, PEX tubes are available in diameters ranging from 3/8-inch to 1-inch. It’s a good idea to use 1/2-inch or 3/4-inch PEX for your main water lines in order to ensure appropriate water flow.

Are SharkBite fittings a dependable option?

If you have copper piping in your house that needs to be repaired or replaced, a SharkBite fitting is an ideal option. However, although sharkbites are allowed for use underground and behind walls, using them in such locations might be dangerous. A SharkBite fitting features a rubber O-ring, which is not recommended for use with permanent connectors.

Is PEX a safe material to use in drinking water?

It is constructed of a material known as cross-linked polyethylene, which is used for the inner pipe for drinking water (PEX). Drinking water from PEX pipes does not pose any health dangers to the user or the environment. If water is allowed to linger in pipes for an extended period of time, certain kinds of PEX pipe may develop an unpleasant taste and odour.

Is it true that PEX leaches chemicals?

When compared to polypropylene pipes, they discovered that PEX pipes gave out greater scents and leaked more chemicals. According to these and other investigations, more than 150 pollutants have been discovered in water that has passed through PEX pipes as of today. Researchers have seen considerable leaching in certain pipelines even after just 30 days of operation.

What is the minimum distance between PEX and the water heater?

Unfortunately, PEX can’t be directly connected to a water heater due to the nature of the material. To begin, you must first extend a pipe from your water heater by 18 inches, after which you may connect the PEX to the extended pipe.

Is it possible for hot and cold PEX to come into contact?

Plumbing 101: The hot and cold water lines should not be in close proximity to one another. The hot and cold water pipes in the photo above have been run through the frame and are in close proximity to one another throughout the whole process. This has passed the rough plumbing inspection and is ready to be finished with insulation and drywall, among other things.

Does PEX have an effect on water pressure?

The flow rates of Pex/plastic pipe are greater than those of copper pipe. The ID (internal diameter) of pex fittings, on the other hand, is lower than the ID (inside diameter) of the pipe of the same size, resulting in a reduction in water flow.

Was wondering what size of PEX pipe to use for a shower?

Most likely, it will be 1/2″ copper in thickness. Half-inch Pex will enough, but three-quarters inch Pex will provide about 50 percent more available CFM. Yes, I am aware that in order to get the same flow rate as copper, you must generally increase the size of the pex pipe by one size so that it flows at the same rate as copper (3/4″ pex=1/2″ copper).

Is it better to use PEX instead of copper?

My copper pipes, according to the technician, should be replaced with PEX. If this is the case, you might extend the life of your copper pipes by another 23 years and save the expense of replacing plumbing. If it’s just a tiny bit of pipe that’s leaking, you might simply replace that part with PEX or copper pipe. Both forms may be used in the same situation.

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