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Watts Radiant Onix Fittings

Onix is the fastest, friendliest, and safest radiant heat tube you can specify or install. It installs with less labor and takes jobsite abuse better than any other radiant tubing. Onix is Aramid reinforced EPDM with an aluminum oxygen barrier.

• Onix is the product that can be installed with lifelong confidence in blazing heat and sunlight, or in Arctic frost and shadows. Used for commercial snowmelting, space heating, residential staple-up and supply/return lines, you'll find Onix installed in thousands of quality projects every year. Onix is ICC listed.
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  • Watts Radiant Heating - Full Catalog (7.4 MB Adobe PDF)
  • Onix Radiant Tubing Brochure (540 KB Adobe PDF)
  • Onix Fact Sheet (1.2 MB Adobe PDF)
  • Onix Installation Guide (7MB Adobe PDF)
  • Watts Onix Radiant Brochure (1.2 MB Adobe PDF)

Due to supply issues, please Contact Us for pricing and lead time.