Wilo-Stratos PICO | Wilo

Wilo-Stratos PICO

Maximum efficiency and operating convenience.

Your advantages
Wilo-Stratos PICO (ROW)

Maximum efficiency and operating convenience.

The perfect interplay of an EC motor, the proven Dynamic Adapt function and settings accuracy of 0.1 m means that the Wilo-Stratos PICO delivers maximum energy efficiency.

Intuitive operation and maintenance, supported by symbols on the LCD screen, as well as automatic protection features offer a high degree of operating comfort.

Your advantages

  • Maximum energy efficiency thanks to the combination of EC motor technology, Dynamic Adapt and precise setting options options for precise adjustment
  • High reliability due to self-protecting routines such as the automatic dry-running detection and automatic restart
  • Intuitive adjustment and maintenance via Green Button Technology for the activation of functions and operating modes on the LC display
  • Easy monitoring of the current power consumption, flow and cumulative kWh
  • Straight-forward electrical connection without any tools thanks to the Wilo-Connector

Installer Sascha

“With the Stratos PICO, I know what I have: Top technology, maximum efficiency, easy installation and quick commissioning.”

Individual saving calculation.

The "Wilo Assistant", the efficient Wilo-App for smartphones, allows you to calculate your customers`energy and CO2 savings on an individual basis, in seconds flat.

The entire world of pumps in one app

The “Wilo Assistant” makes the entire world of high-efficiency pump technology available on smartphones and tablets for sanitation, heating and air-conditioning specialists and specialist consultants of technical building equipment.
The free “Wilo Assistant” app is an easy-to-use mobile application and offers support in designing, customer consultation and installation. It also delivers a wealth of strong sales arguments for energy-efficient, economical and environmentally friendly pump technology for heating, air conditioning and domestic hot-water circulation.

Download on the App Store (iOS)Android App on Google playmore information about the Wilo Assistant app
Smart phone display with savings calculator of Wilo-Assistant
Series description
Wilo-Stratos PICO


Glandless circulator with screwed connection, blocking-current proof EC motor and integrated electronic power control.


All hot-water heating systems, air-conditioning applications, industrial circulation systems.


Operating modes

  • Δ p-c for constant differential pressure
  • Δ p-v for variable differential pressure, combinable with the Dynamic Adapt control function

Manual functions

  • Setting the operating mode
  • Setting of pump output (delivery head)
  • Setting automatic setback operation
  • Reset function for resetting the electricity meter
  • Reset function for resetting to factory settings
  • "Hold" function (key lock) for disabling the settings

Automatic functions

  • Infinitely variable power adjustment according to the operating mode
  • Automatic setback operation
  • Automatic venting function
  • Automatic dry-running detection
  • Automatic restart

Signal and display functions

  • Display of the current power consumption in W
  • Display of the current flow in m³/h
  • Display of the cumulative kilowatt hours in kWh
  • Display of fault messages (error codes)


  • Wrench attachment point on pump body
  • Quick electrical connection with Wilo-Connector
  • Automatic venting
  • Blocking-current proof motor
  • Particle filter
  • Thermal insulation as standard for heating applications



Wilo-Stratos PICO 30/1-4

Stratos PICO

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


Nominal connection diameter


Nominal delivery head range [m]


Port-to-port length


Stainless steel housing

Technical data

  • Fluid temperature +2 °C to +110 °C
  • Mains connection 1~230 V, 50 Hz
  • Protection class IPX4D
  • Screwed connection Rp ½, Rp 1 and Rp 1¼
  • Max. operating pressure 10 bar


  • Pump housing: Cast iron ​(Stainless steel: Type …-N)
  • Thermal insulation: polypropylene
  • Shaft: Stainless steel
  • Bearing: carbon, metal impregnated
  • Impeller: Plastic


  • High-efficiency pump especially for single and two-family houses, as well as for two to six-family houses.
  • Up to 90% electricity savings compared to older uncontrolled heating pumps
  • Minimum power consumption just 3 watts
  • Pre-selectable control modes for optimum load adaption Δp-c (constant differential pressure), Δp-v (variable differential pressure) can be combined with the Dynamic Adapt control function
  • Automatic setback operation
  • Integrated motor protection
  • LCD display displaying the current consumption in watts and the cumulative kilowatt hours
  • Reset function for resetting the electricity meter or for resetting the settings to the factory settings
  • "Hold" function (key lock) for disabling the settings
  • Venting routine for automatic venting of the rotor chamber
  • Quick electrical connection with Wilo-Connector
  • Flexible installation thanks to compact construction
  • Very high starting torque for reliable starting

Delivery state

  • Pump
  • Thermal insulation
  • Wilo-Connector
  • Gaskets
  • Installation and operating instructions

Installation and operating instructions

Wilo-Stratos PICO

Article Number 4237189
Edition 1908
Page format 105.1 x 148.2 mm
Number of pages 191
PDF (13 MB)

General overview (Documents)

General overview 2019 International version

Article Number 2200591
Edition 2018
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (40 MB)

General overview 2021 International version

Edition 2020
Page format 209.9 x 297.0 mm
Number of pages 74
PDF (10 MB)

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (158 KB)