Highly efficient Grundfos ALPHA2 20-40 N 150 stainless steel circulator pump, with AUTOADAPT function, pressure control and dry-running protection. Energy Efficiency Index (EEI) 0.15. More information
Delivery to Belgium (days are avarages)
DHL Express: 1.2 workdays, € 22,99
| Building length | 150 mm |
| Connection Type | Internal thread |
| Liquid temperature | 2...110 °C |
| Power Supply | 230 VAC |
| Pressure | 10 bar |
| Pump bore | DN 20 |
| Pump connection size | 1 1/4" |
| 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 circulating pump is designed for heating systems and hot water systems. The stainless steel version is also suitable for applications where higher corrosion resistance is required. Thanks to the AUTOADAPT function, the pump automatically adjusts its performance to current demand and enables energy savings.
The pump features dry-running protection, automatic night setback and the option of hydronic balancing using the Grundfos GO Balance app. The compact design with integrated electronics makes installation easier and ensures operation without demanding maintenance.
| Body material | Stainless steel (EN 1.4308) |
| Impeller | PES/PESU composite |
| Max. operating pressure | 10 bar |
| Ambient temperature range | 0...40 °C |
| EEI energy efficiency index | 0.15 |
| Protection rating | IPX4D |
| Insulation class | F |
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