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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
- CSA
- ICC
- ITS
- PPI
- UL
- NSF-rfh
- NSF/ANSI Standard 61 for potable water
- IMC
- UMC
- IRC
- NBC of Canada
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
- 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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Lead Content Warning
This product does not comply with the Safe Drinking Water Act, which requires that products used in any system providing water for human consumption (drinking or cooking) to meet low-lead standards. Please check the box below to confirm you are aware that this item is for non-potable water applications only.
Lead Content Warning
Do not use this item for any installation or repair of potable water applications. This product does not comply with the "Safe Drinking Water Act," which requires that products meet low-lead standards in order to be used in systems providing water for human consumption (drinking or cooking). This item is for non-potable (non-human consumption) water applications only.
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