This listing is for one roll of 1000' of 1/2" NSF Certified Oxygen Barrier PEX B Tubing For Heating and Plumbing.

NSF Certified PEX tubing is made to the following specifications.

*Made to ASTM specifications.

*Rated at 100 psi at 180 degrees.

*Rated at 80 psi at 200 degrees.

*Rated at 160 psi at 73 degrees.

* OD .625

* ID .485

* Wall Thickness .075

* Weight per foot .05

* ASTM 876/877

* Not to be installed in Direct Sunlight

Made using the silane method (water bath).

The coating on the outside of the pex, so when used with pressurized boiler systems, it keeps oxygen from permeating the system and causing rust. It is not needed with open systems or potable water systems.

PEX Size	Inside Diameter	Outside Diameter	Volume Gal/100 ft
3/8”	.360	.500	.50
1/2”	.485	.625	.92
3/4"	.681	.875	1.83
1”	.875	1.125	3.03

NSF Certified Pex tubing is connected in 2 different ways.

Crimp fittings are the most effective way of connecting. This is done with a barbed fitting and a copper crimp ring. The ring is compressed with the use of a crimp ring tool. This method is the cheapest and best way to a connection and is the least susceptible to leaks down the road.

You can also use push-fit fittings. They are great for a quick repair, or a small installation project. They are however more expensive and more susceptible to leaks down the road.

Do Not use pex tubing for any of the following applications.

Anywhere the temperature could reach 230 F or more.

Not for use with steam.

Keep out of direct sunlight.

Keep away from areas that are exposed to a flame or heat source.

Not to be used with liquids -40 F or below

We will ship to Alaska/Hawaii...please call for shipping quote

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