Knocking Rotating Nozzle - Heavy
The powerful hammering movement of the nozzle descale deposits and material in pipe. At the same time the material is flushed out by the thrusting and rotating water jets.
The oscillating rotor body generates vibrations and knocking motions in pipe, while the toothed front and drive end of nozzle, hammer harder deposits in pipe.
Never use heavy vibrating nozzle in pipes made of thin PVC, ceramic or other brittle material.