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Grundfos ALPHA1 L 25-40 electronic circulator pump. Designed to replace older, inefficient pumps in heating systems. Does not include the Autoadapt function. More information
This product is no longer available, as it has been replaced with a new model.
View the new model| Building length | 180 mm |
| Connection Type | External thread |
| Liquid temperature | 2...95 °C |
| Power Supply | 230 VAC |
| Pressure | 10 bar |
| Pump bore | DN 25 |
| Pump connection size | 1 1/2" |
| Pump flow rate | 2.7 m3/h |
| Pump head | 4.4 m |
| Weight | 2.20 kg |
Assembly instructions download
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ALPHA1 L, with its compact design, easy installation, and wide range of types, is suitable for most heating systems where a circulation pump needs to be installed or an older, energy-inefficient pump needs to be replaced with a new one. The pump setup is easy and quick. ALPHA1 L allows, in addition to standard control modes, performance regulation via a PWM signal.
This is a technically and functionally improved replacement for ALPHA2 L pumps.
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, on the 12. 05. 2021
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