I think universally, red is hot, and blue is cold. the black got me confused and made me rethink this 🙂 Basically, the dye used in the plastic. Most of the stuff being sold around here is clear translucent (undyed) and as mentioned, when dyed is available, red-hot and blue-cold.

Is there a difference in red and blue PEX?

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. Red PEX pipe carries hot water. Blue PEX pipe carries cold water.

What is the difference between PEX pipe colors?





Color-Coded: Red PEX pipes can be used for hot water supply lines, blue PEX for cold water supply, and white for either hot or cold. These colors are just for your convenience. Plumbing code does not require the pipe color to match the type of water supply.

Does PEX tubing color matter?

There are no performance differences between red, white, blue and white PEX and all are intended for use in potable water systems. The colors can be used to easily distinguish between hot and cold distribution lines.

Can you use black PEX pipe for hot water?

20mm X 100m Black Water Pex B Pipe is a single layer pipe suitable for potable, hot and cold general-purpose water systems.

Is there a black PEX pipe?

Black PEX Pipe, Fittings & Specialty Tools at Lowes.com.

Which PEX connection is best?





PEX-A products usually achieve an 85% crosslinking while PEX-B products average a 65-70%.” PEX-A is more resistant to the chemicals commonly found in plumbing and heating systems than what it has replaced, he adds, and long-term testing by Uponor, one of the manufacturers of PEX-A, is very encouraging.

Is blue PEX A or B?

Blue PEX-B Pipe (Coils)

How can you tell the difference between PEX A and PEX B?

Differences can be summarized as follows:

  1. Flexibility – PEX-A is the most flexible, allowing for it to be fastened by cold expansion, which allows the end to be fluted prior to inserting the fitting. …
  2. Kink-Resistance – PEX-A has the greatest resistance, PEX-B the lowest.

Is PEX A or B better?

Bottom line, PEX A is more resistant to burst pressure than PEX B. PEX A’s expansive material can handle up to 500 PSI, which makes it reliable in extremely cold temperatures. Since PEX B is a more rigid material, it will not hold up as well in similar situations.

How long do PEX pipes last?



50 years

PEX: Due to its flexibility and durability, PEX piping should last at least 50 years. PVC / CPVC: Under typical conditions, these pipes should last up to 100 years.

Is PEX safe for drinking water?

There are no health risks associated with drinking water from PEX pipes. A few types of PEX-pipe may cause prolonged undesirable taste and odour if the water remains in pipes over time.

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.

Are all PEX fittings the same?

PEX fittings are most commonly made up of one of three different types of materials: Plastics, Brasses, or Stainless Steel. Alternatively, a push fit fitting uses a combination of these materials.

What size is black PEX pipe?

SharkBite U860B5 Potable Water Pex Tubing, 1/2″ x 5″, Black

Brand SharkBite
Material Copper,Polyethylene
Color Black
Item Dimensions LxWxH 60 x 1 x 1 inches
Item Weight 0.48 Pounds


How do you connect black poly pipe to PEX?




Quote from Youtube video: Side this three quarter inch male polyethylene pipe adapter. You could go ahead and screw these two together with some teflon tape or thread sealant.

Can you use SharkBite on black poly pipe?

If you need a way to quickly transition to PEX, Copper, C-PVC, PE-RT, or HDPE pipe, we have you covered. The SharkBite fitting can change from one pipe material to another. Polybutylene pipe is compatible with SharkBite fittings with a gray collar.

What is black poly pipe used for?

Black polyethylene, or PE, pipe comes in very long rolls and is used in many areas for the water main between the meter and the house and for sprinkler systems. Just like any other type of pipe, poly pipe does not last forever and can develop leaks with time and with the help of tree roots.

What is Blue Line poly pipe?

Blue stripe poly pipes are fundamentally the same as black poly pipes, however, they are externally blue striped to code what type of medium (mains water) they contain. They are also known as potable water mains. Blue striped poly pipe is also known as blue line HDPE pipe.

Is black poly pipe safe for drinking water?



By and large, HDPE is reported to be one of the “good” plastics, safe for use with food and water.

Is Blue Line poly pipe safe for drinking water?

Is Poly pipe safe for drinking water? Yes, poly pipe, which is made from PE100 or HDPE, is safe for drinking water applications and contains no harmful toxins or chemicals such as BPA.