Wilo-Star-Z NOVA

Series description

Special features/product advantages

  • Low power consumption of just 3 to 5 W thanks to synchronous motor
  • Extended field of application for hard water: up to 3.57mmol/l (20 °dH)
  • Quick, toolless electrical connection thanks to the Wilo-Connector
  • Reliable protection from bacteria and corrosion due to the use of high-quality materials for a longer service life
  • Flexible service motor: fast replacement of all common pump types

Design type

Glandless circulation pump with screwed connection and blocking-current proof synchronous motor


Domestic hot water circulation systems in industry and building services.


  • Quick electrical connection with Wilo-Connector
  • Integrated ball shut-off valve on the suction side (Star-Z NOVA A, C)
  • Integrated non-return valve on the pressure side (Star-Z NOVA A, C)
  • Blocking current-proof motor
  • Plug-in time switch (Star-Z NOVA C)
  • 1.8 m connecting cable with shock-proof plug (Star-Z NOVA C)
  • Thermal insulation as standard

Scope of delivery

  • Pump
  • Thermal insulation
  • Wilo-Connector
  • Gaskets (only Star-Z NOVA A, C)
  • Installation and operating instructions

Type key


Wilo-Star-Z NOVA


Domestic hot water circulation pump, glandless pump


Type designation


with ball shut-off valve and non-return valve


with ball shut-off valve, non-return valve and plug-in time switch

Technical data

  • Fluid temperature: Drinking water up to 20 °dH: max. +65°C, in short-time duty (2 h) up to +70°C
  • Mains connection 1~230 V, 50 Hz
  • Protection class IP 42
  • Nominal diameter Rp ½
  • Max. operating pressure 10 bar


  • Pump housing: Brass
  • Impeller: Plastic
  • Shaft: ceramic
  • Bearing: Carbon, synthetic resin-impregnated

Duty chart


General overview 2018 International version

Article Number 2200591
Edition 2018
Version number 1
Page format 209.9 x 297.0 mm
Number of pages 72

PDF (11 MB)



PDF: Wilo-Star-Z NOVA


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