Wilo Yonos Maxo 25/0.5-10 Circulator Pump
The Wilo Yonos Maxo 25/0.5-10 Circulator Pump is a high-efficiency electronically controlled circulator pump designed for heating, cooling, and HVAC systems. Powered by a 230v single-phase ECM motor, it delivers a maximum flow rate of 9.5 m³/h (158 Ltr/min), a maximum head of 10.9 metres, and intelligent pressure control for reliable, energy-efficient circulation in commercial and industrial applications.
Product Description
Wilo Yonos Maxo 25/0.5-10 Circulator Pump
The Wilo Yonos Maxo 25/0.5-10 Circulator Pump is engineered to provide dependable water circulation for heating, chilled water, air conditioning, and industrial recirculation systems. Its electronically controlled ECM motor automatically adjusts performance to match changing system demand. As a result, the pump reduces energy consumption while maintaining stable hydraulic performance throughout the installation.
Designed for commercial and large residential applications, this circulator combines intelligent control with robust construction. Additionally, its compact 180 mm installation length makes it suitable for both new projects and replacement installations.
Wilo Yonos Maxo 25/0.5-10 High-Efficiency ECM Motor
The advanced ECM synchronous motor continuously regulates pump speed according to operating conditions. Furthermore, selectable operating modes include constant differential pressure (Δp-c), variable differential pressure (Δp-v), and three fixed-speed settings, allowing installers to optimise performance for different heating and cooling applications.
Moreover, the intelligent electronic controller achieves an Energy Efficiency Index (EEI ≤ 0.20), helping reduce electricity costs while maintaining reliable circulation. Consequently, building operators benefit from lower running costs and improved system efficiency.
Wilo Yonos Maxo 25/0.5-10 Performance
The pump delivers a maximum flow rate of 9.5 m³/h (approximately 158 Ltr/min) together with a maximum head of 10.9 metres and a maximum working pressure of 10 Bar. In addition, the hydraulically optimised design ensures reliable circulation across heating, cooling, and HVAC systems.
The grey cast iron housing, stainless steel shaft, carbon-graphite bearings, and maintenance-free glandless construction provide excellent durability. Likewise, the integrated motor protection enhances operational reliability while reducing maintenance requirements.
Wilo Yonos Maxo 25/0.5-10 Installation & Control
Installation is quick thanks to the integrated Wilo Plug electrical connection and easy-to-read LED display. Furthermore, engineers can configure pressure settings and operating modes quickly during commissioning, reducing installation time.
Moreover, the G 1½ threaded connection, 180 mm installation length, and compact design simplify replacement of older circulator pumps. Integrated fault signalling also provides valuable diagnostics, helping maintenance teams identify issues efficiently.
Wilo Yonos Maxo 25/0.5-10 Applications
This circulator pump is suitable for:
- Commercial heating systems
- Hot water heating installations
- Chilled water systems
- Air conditioning systems
- Closed cooling circuits
- Industrial circulation systems
- Commercial buildings
- Hotels
- Hospitals
- Schools
- Office developments
Therefore, it provides an energy-efficient solution wherever dependable water circulation is essential.
Finally, whether installed in a new HVAC project or replacing an older circulator, the Wilo Yonos Maxo 25/0.5-10 Circulator Pump delivers reliable performance, intelligent electronic control, and outstanding long-term efficiency.
Browse our Wilo Circulator Pumps collection to explore additional commercial circulation pumps.
For complete installation instructions and technical documentation, visit the Official Wilo Website.
Key Features
- High-efficiency ECM motor
- 230v single-phase power supply
- Maximum flow rate 9.5 m³/h (158 Ltr/min)
- Maximum head 10.9 metres
- Maximum operating pressure 10 Bar
- G 1½ threaded connection
- 180 mm installation length
- Constant differential pressure control (Δp-c)
- Variable differential pressure control (Δp-v)
- Three fixed-speed operating modes
- LED operating display
- Wilo Plug electrical connection
- Maintenance-free glandless construction
- Integrated motor protection
- Energy Efficiency Index (EEI ≤ 0.20)
Benefits
- Reduces electricity consumption
- Automatically adapts to changing demand
- Maintains stable system pressure
- Delivers reliable heating and cooling performance
- Reduces maintenance requirements
- Simplifies installation and commissioning
- Provides dependable long-term operation
- Ideal for commercial HVAC systems
Product specification
| Specification | Details |
|---|---|
| Brand | Wilo |
| Series | Yonos Maxo |
| Model | 25/0.5-10 |
| Article Number | 2120640 |
| Pump Type | High Efficiency Glandless Circulator |
| Power Supply | 230v |
| Phase | Single Phase |
| Maximum Flow Rate | 9.5 m³/h (158 Ltr/min) |
| Maximum Head | 10.9 m |
| Maximum Working Pressure | 10 Bar |
| Connection Size | G 1½ (DN25) |
| Installation Length | 180 mm |
| Motor Technology | ECM High Efficiency |
| Maximum Power Consumption | 190 W |
| Protection Class | IPX4D |
| Fluid Temperature | -20°C to +110°C |
| Housing Material | Grey Cast Iron |
| Shaft Material | Stainless Steel |
| Bearing Material | Carbon Graphite |
| Energy Efficiency | EEI ≤ 0.20 |
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DELIVERY & RETURNS
We offer mainland UK delivery for all pumps sold via NT Cloke Pumps & Water. Once we confirm we have sourced your pump, we will share a delivery cost along with your quote. Don’t forget, if you also require installation or any other service, please ask a member of our team
Please always call our office regarding returns of any items or email info@ntclokepumpsandwater.co.uk


