PEX-A Tubing with Oxygen BarrierDescription PEX A Tubing with Oxygen Barrier is designed for high performance hydronic heating, radiant floor heating, snow melt, and HVAC piping applications. The integrated oxygen barrier layer prevents oxygen diffusion into closed loop hydronic systems, helping protect pumps, boilers, heat exchangers and other ferrous components from corrosion. Its flexible construction allows easier installation with fewer fittings while maintaining excellent kink
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