Star-Z de Wilo - Q-Tech ®

Wilo Star-Z

Usual price €315,00
Tax included.
5 in stock

STAR-Z is a High efficiency premium circular pump.


  • AC pumps with electrical quick connection
  • All plastic parts that come into contact with the fluid fulfil KTW recommendations


Glandless circulator with screwed connection. 


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


Operating modes

Speed stage switching (Star-Z...-3 only)

Manual functions

Setting of the speed stages (1 speed stage, 3 speed stages with Star-Z...-3 pumps)

Wrench attachment point on the pump body (Star-Z 25 only)
Cable inlet in possible on both sides
Quick connection with spring clips
Blocking-current proof motor

    Scope of delivery

    • Pump
    • Gaskets for threaded connection
    • Installation and operating instructions

    Type Key

    Example: Wilo-Star-Z 20/1

    Star - Standard pump

    Z - Circulator

    20/ - nominal connection diameter

    1 - Nominal delivery head [m]

    -3 - 3 speed stages

    Technical data

    • 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-time duty (2 h) up to +70 °C
    • Mains connection 1~230 V, 50 Hz
    • Protection class IP44
    • Nominal diameter Rp ½ (¾), Rp 1
    • Max. operating pressure 10 bar


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


    Download operation instructions

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