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Highly efficient Grundfos ALPHA2 20-40 N 150 circulation pump made of stainless steel, featuring AUTOADAPT function, pressure regulation, and dry-running protection. Energy Efficiency Index EEI 0.15. More information
Delivery to Belgium (days are avarages)
DHL Express: 1.1 workdays, € 22,99
| Building length | 150 mm |
| Connection size | 1 1/4" |
| Connection Type | Internal thread |
| Liquid temperature | 2...110 °C |
| Power Supply | 230 VAC |
| Pressure | 10 bar |
| Pump bore | DN 20 |
| Pump flow rate | 1.5 m3/h |
| Pump head | 4 m |
| Weight | 2.11 kg |
Catalog sheet download
Download PDFThe Grundfos ALPHA2 20-40 N 150 circulation pump is designed for heating systems and hot water systems. The stainless steel variant is also suitable for applications where higher corrosion resistance is required. Thanks to the AUTOADAPT function, the pump automatically adjusts its performance to the current demand, allowing for energy savings.
The pump features dry-running protection, automatic night setback, and the possibility of hydronic balancing using the Grundfos GO Balance app. Its compact design with integrated electronics facilitates installation and operation without demanding maintenance.
| Body Material | Stainless steel (EN 1.4308) |
| Impeller | Composite PES/PESU |
| Max. Operating Pressure | 10 bar |
| Ambient Temperature Range | 0...40 °C |
| Energy Efficiency Index (EEI) | 0.15 |
| Protection Rating | IPX4D |
| Insulation Class | F |
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