3/4" x 100ft PowerPEX Oxygen Barrier PEX-A Tubing, Natural

Sioux Chief

Brand: Sioux Chief

Mfr Part#: 665XA3N100H

Availability: In Stock
Usually ships: Today, if ordered by 3pm
Qty Price
$81.95 / each & Free Shipping
x4 $323.80 & Free Shipping
(4 x $80.95 / each)
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100ft roll of 3/4" Sioux Chief PowerPEX oxygen barrier type PEX-a tubing. Intended for use in closed loop or open loop radiant floor heating and hydronic heating systems. Also approved for potable water use. Direct replacement for Uponor/Wirsbo hePEX A1140750 and Mr. PEX 1240010. For use with F1960 style expansion fittings, expander tool and expansion sleeves. Fully compatible with Uponor ProPEX connection system.


  • Made in the USA;
  • Lead-free, certified for potable water use (NSF/ANSI 61 & 372, nsf-pw-g);
  • Meets ASTM F876/F877/F2023/F1960/F2080/F2159/F1807 & CSA B137.5 standards;
  • UPC listed;
  • Installed using expansion method (expansion tool + rings), compatible with Uponor/Wirsbo ProPEX system (hePEX, AquaPEX), Sioux Chief, Mr. PEX & Rehau;
  • Pressure/temperature ratings: 160 psi @ 73.4°F, 100 psi @ 180°F, 80 psi @ 200°F.
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