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High molecular cross-linked polyethylene (PEX-a) with minimum bending radius of 6× the outside diameter at 68°F (20°C). Maximum operating temperature: 180°F @ 100 PSI (82°C @ 690 kPa). Covered by a twenty-five year manufacturer’s limited warranty. Comes with oxygen difusion barrier which prevents oxygen from entering the heating system through the tubing wall.
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High molecular cross-linked polyethylene (PEX-a) with minimum bending radius of 6× the outside diameter at 68°F (20°C). Maximum operating temperature: 180°F @ 100 PSI (82°C @ 690 kPa). Covered by a twenty-five year manufacturer’s limited warranty. Comes with oxygen difusion barrier which prevents oxygen from entering the heating system through the tubing wall.
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O2 Barrier Pipe-in-Pipe is HeatLink® O2 Barrier PEX-a tubing that has been inserted into a protective sheath. The flexible, impact resistant PP sheath designed as a raceway for electrical installations provides mechanical and UV protection to the PEX-a carrier tubing. The sheath allows for easy replacement of the PEX-a carrier tubing if needed.



