Qual-PEX plastic barrier pipe. Barrier pipe was developed to prevent oxygen permeating the pipe, through the pipe wall. The pipe is cross-linked polyethylene (PEX). BSI kitemark approved for use under the service conditions listed in BS 7291-1: 1990 Class S - 12 bar at 20°C, 4 bar at 82°C, 3 bar at 92°C.
Suitable for hot and potable cold water, central heating, and underfloor heating.