Wilo-Yonos MAXO-Z plus

Series description

Your advantages

  • Potable water hygiene safeguarded with a collective fault signal
  • Energy-saving due to high-efficiency hydraulics and synchronous motor
  • Complete transparency of the delivery head, speed stage and possible faults thanks to its LED display
  • Green Button provides simple adjustment of three speed stages, delta p-c and delta p-v when replacing an uncontrolled standard pump
  • Easier electrical connection thanks to the Wilo plug
  • Compact design and proven user-friendliness
  • Equipped as standard with thermal insulation shell


Glandless circulator with threaded connection or flange connection, EC motor with automatic power adjustment.


Domestic hot water circulation systems in industry and building services.


Operating modes

  • Δp-c for constant differential pressure
  • Δp-v for variable differential pressure
  • n = constant (3 speed stages)

Manual functions

  • Setting the operating mode
  • Setting of pump output (delivery head)
  • Setting the speed stages

Automatic functions

  • Infinitely variable power adjustment according to the operating mode
  • Deblocking function
  • Soft start
  • Integrated full motor protection

Signal and display functions

  • Collective fault signal (potential-free NC contact)
  • Fault signal light
  • LED segment display for displaying the delivery head and error codes
  • Display of the configured speed stage (C1, C2 or C3)


  • Wrench attachment point on pump body (for threaded pipe union pumps)
  • Quick electrical connection with Wilo plug. For the connection of the mains and SSM lines, with integrated strain relief
  • For flange-end pumps: Flange versions
    • Standard version for DN 40 to DN 65 pumps: Combination flange PN 6/10 for counter flanges PN 6 and PN 10

Scope of delivery

  • Pump
  • Including gaskets for threaded connection
  • Incl. washers for flange screws (for nominal connection diameters DN 40 - DN 65)
  • Incl. thermal insulation
  • Including installation and operating instructions

Type key


Wilo-Yonos MAXO-Z plus 40/0,5-12

Yonos MAXO plus

High-efficiency pump (screw-end or flange-end pump), electronically controlled


Single pump for domestic hot water circulation


Nominal connection diameter


Nominal delivery head range [m]

Technical data

  • Permissible temperature range drinking water up to 3.57 mmol/l (20 °dH): 0 °C to +80 °C
  • Mains connection 1~230 V, 50/60 Hz
  • Protection class IPX4D
  • Screwed connection or flange connection (depending on type) Rp 1 to DN 65
  • Max. operating pressure of standard version: 6/10 bar or 6 bar (special version: 10 bar)


  • Pump housing made of red brass
  • Shaft: Stainless steel
  • Bearing: Carbon, synthetic resin-impregnated
  • Impeller: Plastic

Duty chart

Wilo-Yonos MAXO-Z plus


REACH regulation

Edition 2019-10
Page format 209.9 x 296.7 mm
Number of pages 4

PDF (1 MB)


Stratos, Stratos-D, Stratos-Z, Stratos-ZD, Stratos MAXO, Stratos MAXO-D, Stratos MAXO-Z, Stratos PARA, Stratos PARA-Z,Yonos MAXO, Yonos MAXO-Z, Yonos ECO BMS, Yonos PARA HF, TOP-S, TOP-Z, TOP-SD, TOP-RL, TOP-I

Page format 209.9 x 297.0 mm
Number of pages 40

PDF (6 MB)



PDF: Wilo-Yonos MAXO-Z plus


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