Wilo-Star-Z NOVA

Wilo-Star-Z NOVA Glandless circulation pump with screw connection and synchronous motor


  • High level of hygienic safety thanks to time-tested technology
  • Increased energy efficiency thanks to adapted motor technology with only 3 - 6 W motor power consumption and standard heat insulation
  • Quick and easy installation and replacement of popular pump types thanks to the universal motor spare and Wilo-Connector
  • The T version provides maximum hygienic safety through integrated timer, thermostat and automatic thermal disinfection detection. The green button technology and the intuitive user interface with LCD display make the T version very user-friendly


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


Hot water circulation systems for building and civil engineering applications as well as for industrial applications.


  • Quick electrical connection with the Wilo-Connector
  • Integrated shut-off ball valve on the suction side (Star-Z NOVA A, T)
  • Integrated non-return valve on the pressure side (Star-Z NOVA A, T)
  • Lockout proof electric motor
  • Thermal insulation as standard
  • Star-Z NOVA T features:
    • Green button technology
    • LCD display for pump parameters and error codes
    • Timer function for programming 3 time switch-off points
    • Temperature control to maintain a constant return temperature difference in the hot water circulation system
    • Standard program for thermal disinfection (detection and maintenance of the thermal disinfection of the boiler)

Model overview


Product designation Article number
Star-Z NOVA 4132760
Star-Z NOVA A 4132761
Star-Z NOVA T 4222650

Those. information

Scope of delivery

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

Part Names

Example: Wilo-Star-Z NOVA
Star-Z Potable water circulation pump, wet rotor pump
NOVA Type designation
A With ball shut-off valve and non-return valve
T With ball shut-off valve, non-return valve, timer, thermostat and thermal disinfection detection

Technical specifications

  • Temperature of pumped liquid: Drinking water, max. +95 °C
  • Mains connection: 1~230 V, 50 Hz
  • Protection class IP42
  • Nominal diameter Rp ½
  • Max. operating pressure: 10 bar


  • Pump casing: Brass
  • Impeller: Plastic
  • Shaft: ceramic
  • Bearings: Graphite impregnated with synthetic resin


Wilo-Star-Z NOVA T Download
Wilo-Star-Z NOVA Download
Documentation Download



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