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 1/2 inch |
| Connection pressure rating | PN 10 |
| Port-to-port length (mm) | 180 mm |
| Pump housing material | Cast iron |
| Impeller material | Composite |
| Length (mm) | 180 mm |
| Height (mm) | 36 mm |
| Width (mm) | 54 mm |
| Gross weight | 2.14 kg |
| Net weight | 1.98 kg |
| Approvals | VDE,CE,EAC,SEPRO |
| EAN code | 5713828675293 |
Performance curve
Documents and datasheets
-
ALPHA2 (Model A) (Data booklet)
Data booklets · English 2,6 MB -
ALPHA2 models B, C, D and E, Data booklet
Data booklets · English 31,0 MB -
ALPHA2, Data sheet
Data sheets · English 0,3 MB -
ALPHA2 Models B/C/D/E / ALPHA3 Model A / ALPHA SOLAR (Multi language)
Installation & operating instructions · English 12,8 MB -
ALPHA2, Model A (GB+PL version) (Installation and operating instructions)
Installation & operating instructions · English 3,5 MB -
ALPHA2, Models B, C, D and E (Installation and operating instructions)
Installation & operating instructions · English 5,6 MB -
ALPHA 1/2/3 (Quick Guide)
Quick Guides · English 7,0 MB -
ALPHA2, ALPHA2 L (Model A - OEM) (Quick Guide)
Quick Guides · English 5,4 MB -
A Wide Range (English) (Product brochure)
Product Brochures · English 46,4 MB -
ALPHA SELECTION GUIDE (Product brochure)
Product Brochures · English 2,6 MB -
ALPHA2 Replacement guide (Product brochure)
Product Brochures · English 3,8 MB -
ALPHA2, HYDRONIC BALANCING MADE EASY (Product brochure)
Product Brochures · English 1,3 MB -
ALPHA plug (Service kit instruction)
Service · English 2,9 MB
Equivalent alternatives
Pumps in the same hydraulic class as 99411178 (equivalent flow and head), available in the catalogue.
Equivalent codes
Interchange and cross-reference table for 99411178: equivalents from other brands available in the catalogue.
Wilo Stratos MAXO 25/0.5-8Wilo Yonos PICO 25/1-8Calpeda NCE EL 25-80DAB Evosta2 40-70Wilo Stratos 25/1-8Lowara ecocirc 25-8Ebara Ego easy 25/80Wilo Para 25/8Wilo Yonos MAXO 25/0.5-8KSB Calio 25-80
Related products
Grundfos 99411178