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Star Z
Star Z

Product Picture


  • Glandless circulation pump with threaded connection


  • Hot water circulation

Special features / product benefits

  • AC pumps with electrical quick connection
  • All plastic parts that come into contact with the fluid fulfil KTW recommendations
  • Thermal insulation as standard for Star-Z 15 TT.
  • Star-Z 15 TT with integrated timer and thermostat, LC display with symbolic language, red button technology and automatic detection of the thermal disinfection of the warm domestic hot water tank, as well as ball shut-offvalve on the suction side and non-return valve on the pressure side.

Technical data

  • Flow: upto 5 m3/hr
  • Head: upto 6 m
  • Constant speed or, for Star-Z...-3, three selectable speed stages
  • Fluid temperature:
  •              Drinking water up to 3.21 mmol/l (18 °dH): max. +65°C, in short-term operation (2 h) up to +70°C
  • Mains connection 1~230 V, 50 Hz or, for Star-Z 25/2 DM, 3~400 V, 50 Hz
  • Protection class IP 44 (IP 42 for Star-Z 15 TT)
  • Nominal diameter Rp ½, Rp 1
  • Max. operating pressure 10 bar