-   Pipes manufactured from peroxide cross-linked polyethylene (PE-Xa) using the Engel method acc. EN ISO 15875, for supply lines, rising mains and connection lines for plumbing. Fire classification E according to DIN EN 13501-1. -   Classification of service conditions acc. to EN ISO 15875: -   Application class 2 - Hot water supply (70°C), malfunction temperature 95°C.