Technical specifications
| Nominal flow (m³/h) | 2.14 m³/h |
| Nominal head (m) | 4.36 m |
| Energy efficiency index (EEI) | 0.18 |
| Power input P1 (W) | 50 W |
| Phases | 1 |
| Rated voltage | 230 V |
| Frequency (Hz) | 50 / 60 Hz |
| Enclosure class | IPX4D |
| Insulation class | F |
| Max. liquid temp. (°C) | 110 °C |
| Min. liquid temp. (°C) | 2 °C |
| Max. ambient temp. (°C) | 40 °C |
| Max. operating pressure | 10 bar |
| Pipe connection | G |
| Connection size | 1 inch |
| Connection pressure rating | PN 10 |
| Port-to-port length (mm) | 130 mm |
| Pump housing material | Cast iron |
| Impeller material | Composite |
| Length (mm) | 130 mm |
| Height (mm) | 36 mm |
| Width (mm) | 54 mm |
| Gross weight | 1.89 kg |
| Net weight | 1.73 kg |
| Approvals | VDE,CE,EAC,SEPRO |
| EAN code | 5713828026545 |
Performance curve
Documents and datasheets
-
ALPHA3, model B, Data booklet
Data booklets · English 8,9 MB -
ALPHA3, model B, Data sheet
Data sheets · English 0,4 MB -
ALPHA2 Models B/C/D/E / ALPHA3 Model A / ALPHA SOLAR (Multi language)
Installation & operating instructions · English 12,8 MB -
ALPHA3 Model B (Installation and operating instructions)
Installation & operating instructions · English 6,6 MB -
ALPHA 1/2/3 (Quick Guide)
Quick Guides · English 7,0 MB -
A Wide Range (English) (Product brochure)
Product Brochures · English 46,4 MB -
ALPHA SELECTION GUIDE (Product brochure)
Product Brochures · English 2,6 MB -
ALPHA3, EASY CONNECTIVITY THAT'S READY FOR TOMORROW (Product brochure)
Product Brochures · English 1,1 MB -
ALPHA plug (Service kit instruction)
Service · English 2,9 MB
Equivalent alternatives
Pumps in the same hydraulic class as 99371951 (equivalent flow and head), available in the catalogue.
Related products
Grundfos 99371951