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SharkBite PEX tubing is a cross-linked polyethylene tubing for a wide range of residential and commercial plumbing applications. Manufactured with an oxygen barrier for radiant floor and hydronic heating applications (available in orange). The oxygen diffusion barrier applied to the exterior limits oxygen permeation through the tubing wall in hydronic heating applications which prevents corrosion of ferrous metal parts in the heating system. repeating SharkBite imprint pattern provides a visual aid to determine if the tube has been inserted all the way into the SharkBite Push-Fit Fitting. This feature only works if the tubing is cut between the SharkBite imprint pattern.


ASTM F877-2011a and CSA B137.5-2009 & NSF/ANSI 71

SizesPart #
3/8" 100'
3/8" 300'
3/8" 500'
1/2" 100'
1/2" 300'
1/2" 500'
1/2" 1000'
5/8" 300'
3/4" 100'
3/4" 300'
3/4" 500'
3/4" 1000'
1" 100'
1" 300'
1" 500'


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Do you have a tubing that is UV resistant and will stand up to extended outdoor exposure?

Asked by: JohnF
Good afternoon, Our tubing can withstand being exposed to UV for up to 30 days before you should have it completely covered or buried.
Answered by: SharkBite_KM
Date published: 2016-07-22

Does the orange pex squeak a lot if used as supply lines for cast iron radiators.  I just installed and as it is currently tacked to floor joists it is squeaky a lot when moved..  As is expands with heat I am affraid it will make lots of noise...  

Asked by: MikeLa
Good morning, We have not heard of our PEX pipe squeaking after installation. If you are getting squeaking, the support on the pipe may be too tight.
Answered by: SharkBite_KM
Date published: 2016-04-13

Can the oxygen barrier tubing & black plastic fittings be used for a cast iron hot water radiator system?

Asked by: steve816
As long as the systems does not exceed 200 degrees F or 200 psi you should be good to go.
Answered by: sharkbite_rm
Date published: 2016-02-23

What grade is sharkbite oxygen barrier pex 

Asked by: canonman356
Greetings, Our orange PEX tubing is PEX-c and complies with ASTM F876.
Answered by: SharkBite_KM
Date published: 2016-01-29

Can your Oxygen Barrier Pex be used for potable water? Previous answers have been ambiguous in my view. Thanks.

Asked by: PaulR
Good morning PaulR, You are correct. In reaching out to our Product manager, Oxygen Barrier PEX is not NSF 61 certified or is not listed as Potable water. The previous information provided was incorrect. I apologize for any inconvenience may cause. If you need to return this or ship new product to you and will be experiencing issues, I'd like to make it up to you and see what I can do to help make it an easy transition. Please contact me directly at techsupport@cashacme.com. Again, I apologize for this mistake and will do what I need to in order to correct it.
Answered by: SharkBite_KM
Date published: 2015-12-02

Does this meet NSF Std 14 and 61 for potable water applications? I'm looking for options to install an open radiant heating system with potential to change to a closed system later.

Asked by: Conrad
Greetings Conrad, Our pipe meets NSF requirements. If you are going to use this on radiant heating, you should not be drinking from that system thus, the pipe does not have to meet that requirement.
Answered by: SharkBite_KM
Date published: 2015-11-12

Which PEX Pipe is the BEST to use for an Air Compressor Line in my Home Garage Setup?

Asked by: BIFF
Greetings Biff, All our PEX tubing is only designed for potable water. We do not recommend using it for air lines.
Answered by: SharkBite_KM
Date published: 2015-10-06

I have hot water baseboard. Can I cut copper pipe and connect with Orange PEX and place Hyrodnic Kick toe heater? The out pipe of hydronic heater will be connected to Orange PEX and will go under floor to connect with other end of copper pipe. Is this OK?

Asked by: ISAM
Greetings Isam, As long as the system runs at our certified temperature/pressure, there shouldn't be any issues with this. You can go to this link and page 11 to view our PEX tubing specifications: http://www.sharkbite.com/sharkbite/wp-content/uploads/2013/06/SHARKBITE-PEX-INSTALLATION-INSTRUCTIONS.pdf
Answered by: SharkBite_KM
Date published: 2015-09-17
  • 2016-07-23T09:55CST
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