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Description
Uponor (Wirsbo) hePEX is heat-transfer tubing with an EVOH oxygen diffusion barrier. The oxygen diffusion barrier meets the requirements of the German DIN Standard 4726.
Uponor (Wirsbo) hePEX is compatible with both Uponor’s (Wirsbo) ProPEX fitting connections and QS-style fittings.
Uponor (Wirsbo) hePEX is manufactured to ASTM F876 and F877, and is designed for closed-loop hydronic heating applications. Uponor (Wirsbo) hePEX tubing is rated and listed by the Hydrostatic Stress Board of PPI at: 200 degrees F at 80 psi, 180 degrees F at 100 psi and 73.4 degrees F at 160 psi.
Note 1: 5/16" hePEX tubing is used for the Uponor (Wirsbo) Quik Trak system.

Note: Uponor (Wirsbo) hePEX tubing, traditionally used in radiant heating applications, became certified to NSF/ANSI Standard 61 for potable water in December 2012. Please read the Approvals document located in the Manuals tab for more information.

What are the Uponor PEX Standards?
Uponor PEX and associated fittings are manufactured to the following standards:
  • ASTM F876 "Standard Specification for Cross-linked Polyethylene (PEX) Tubing"
  • ASTM F877 "Standard Specification for Cross-linked Polyethylene (PEX) Plastic Hot and Cold Water Distribution Systems"
  • ASTM F1960 "Standard Specifications for Cold Expansion Fittings with PEX Reinforcing Rings for use with Cross-linked Polyethylene (PEX) Tubing"
  • ASTM F2080 "Standard Specifications for Cold Expansion Fittings with Metal Compression Sleeves for Cross-linked Polyethylene (PEX) Tubing"
  • CSA B137.5 Thermoplastic Pressure Piping Compendium
What listings does Uponor (Wirsbo) hePEX tubing have?
  • CSA
  • ICC
  • ITS
  • PPI
  • UL
  • NSF-rfh
  • NSF/ANSI Standard 61 for potable water
What code approvals does Uponor (Wirsbo) hePEX tubing have?
  • IMC
  • UMC
  • IRC
  • NBC of Canada
What fire-rated assemblies does Uponor (Wirsbo) hePEX tubing have?
In the United States:
  • Tested in accordance with ASTM E119/UL 263
  • G573 - Two-hour Hambro floor/ceiling assembly
  • K913 - Two-hour concrete floor/ceiling assembly
  • L557 - One-hour wood frame floor/ceiling assembly
  • U372 - One-hour wood frame wall assembly
  • V444 - One-hour steel stud wall assembly
In Canada:
  • Tested in accordance with CAN/ULC S101
  • G573 - Two-hour Hambro floor/ceiling assembly
  • UW/WA 60-01 - One-hour steel stud wall assembly
  • UW/WA 60-02 - One-hour wood frame wall assembly
  • WC/FCA 60-01 - One-hour wood frame floor/ceiling assembly
  • WC/FCA 120-01 - Two-hour concrete floor/ceiling assembly
  • WC/FCA 120-02 - Two-hour concrete floor/ceiling assembly
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Manuals (5)
Specs
Size:

1/2"

Length (Feet):

500'

Shape:

Coil

Fitting System Compatibility:

Clamp

Crimp

PEX Press (Viega)

Push Fit (Sharkbite)

PEX Compression

Expander (ProPEX)

Tubing Type:

Oxygen Barrier

Material:

PEX

Color:

White

Warranty:

25 Year

Application:

Heating

Max Pressure (PSI):

160

Grade:

PEX-a

Standards Met:

DIN4726

NSF

Max Temp (F):

200°F

Type:

Tubing

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