Wilo-Star-Z NOVA

Series description

Special features/product advantages

  • High degree of hygiene safe thanks to proven technology
  • Improved energy efficiency due to the adapted motor technology with a power consumption of only 3 – 6 watts and thermal insulation shell as standard
  • Quick, easy installation and replacement of common pump types thanks to the flexible service motor and Wilo-Connector
  • The “T” version offers the highest degree of hygiene safety, thanks to the integrated time switch, thermostat and automatic thermal disinfection detection. The Green Button Technology and an intuitive user interface with an LCD display make the “T” version extremely user-friendly

Design type

Glandless circulator with screwed connection and blocking-current proof synchronous motor


Domestic hot water circulation systems in the industry and building services.


  • Quick electrical connection with Wilo-Connector
  • Integrated ball shut-off valve on the suction side (Star-Z NOVA A, C, T)
  • Integrated non-return valve on the pressure side (Star-Z NOVA A, C, T)
  • Blocking-current proof motor
  • Plug-in time switch (Star-Z NOVA C)
  • 1.8 m connection cable with shock-proof plug (Star-Z NOVA C)
  • Thermal insulation as standard
  • Star-Z NOVA T functions:
    • Green Button Technology
    • LCD display for indication of pump data and fault codes
    • Time switching function for programming of 3 switch-on or switch-off times
    • Temperature control for maintaining a constant return temperature difference in the domestic hot water circulation system
    • Thermal disinfection routine (detecting and supporting the thermal disinfection of the domestic hot water storage tank)

Scope of delivery

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

Type key


Wilo-Star-Z NOVA


Domestic hot water circulator, 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


with ball shut-off valve, non-return valve, time switch, thermostat and thermal disinfection detection

Technical data

  • Fluid temperature: Drinking water to 20 °dH max. +65 °C (NOVA T: 95 °C),in short-time duty (2 h) to +70 °C
  • Mains connection 1~230 V, 50 Hz
  • Protection class IP42
  • Nominal diameter Rp ½
  • Max. operating pressure 10 bar


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

Duty chart



Wilo-Analog timer Star-Z NOVA C

Article Number 4148534
Edition 1507
Version number 02
Page format A5
Number of pages 2

PDF (341 kB)


Wilo-Analog timer Star-Z NOVA C

Article Number 4148534
Edition 1507
Version number 02
Page format A5
Number of pages 2

PDF (174 kB)



PDF: Wilo-Star-Z NOVA


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