"With constant ultimate vacuum, high suction flow rate and very low water consumption. Can be connected to mains water system in a number of different ways using the adapter supplied and reducing adapters that are available as accessories. For continuous use at temperatures up to 80°C max. High chemical resistance as the media being pumped only comes into contact with PP, FKM and PTFE. Integral non-return valve increases safety. Comprises: Water jet pump, including: Mains water connections: R ¾"" sleeve nut, R ½"" reducing adapter and flexible tubing connection (nozzle) with external diameter from 10mm to 12mm. Vacuum connection: Detachable nozzle with external diameter from 6mm to 9mm and GL 14 screw cap. "