Electronic Grundfos ALPHA SOLAR 25-145 pump. The ALPHA SOLAR is suitable for integration into all types of thermal solar systems with variable flow or constant flow. It does not include the AUTOADAPT function. More information
Delivery to Belgium (days are avarages)
DHL Express: 1.2 workdays, € 22,99
| Building length | 180 mm |
| Connection Type | External thread |
| Power Supply | 230 VAC |
| Pressure | 10 bar |
| Pump bore | DN 25 |
| Pump connection size | G 1 1/2" |
| Pump flow rate | 2.7 m3/h |
| Pump head | 14.5 m |
| Temperature | 110 °C |
| Weight | 2.23 kg |
Catalog sheet download
Download PDF
Thanks to its compact design, easy installation and wide range of variants, ALPHA SOLAR is suitable for integration into all types of thermal solar systems with variable flow or constant flow, where a circulator pump needs to be installed or an older energy-inefficient pump replaced with a new one. Pump setting is easy and quick. In addition to standard control modes, ALPHA SOLAR also enables output control via a PWM signal. ALPHA SOLAR must not be speed-controlled by an external speed controller that changes or pulses the supply voltage.
Advantages of the ALPHA SOLAR pump:
We respond to your product queries as quickly as possible, usually within 24 hours.
Nenašli jste to, co jste chtěli vědět?