PexKIT piping without oxygen barrier is used in underfloor heating systems, defined as Class 4, according to EN ISO 22391-2:2009. For this application, manifolds with Eurocone mounting are available for pipes with diameters between 14 and 20 mm. Material: high-temperature resistant polyethylene PE-RT TYPE II. Reference standard: EN ISO 22391-2:2009 regarding production, verification and scope of application. Maximum pressure: PN8 bar. Tubing is supplied in coil form in various lengths in the following colors: natural, green and red. Structure: single-layer 1 PE-RT TYPE II Pipe.