Supplied as a set, the set includes a coupler or an electrofusion reducer -Material: PE100, SDR 11 (ISO S5). -10 bar gas / 16 bar water (calculated for temperature of 20°C) -electrofusion fitting resistance is embedded in the material -welding voltage 40 V -4 mm connectors -welding indicators with limited displacement Installation must be performed according to the installation instructions by authorized personnel