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Grundfos - SCALA1 3-45
  • Grundfos - SCALA1 3-45
  • Grundfos - SCALA1 3-45
  • Grundfos - SCALA1 3-45 - Drawing

Grundfos - SCALA1 3-45

8,100 LE
No tax Within 5 Business Days

Commercial water pressure boosting

Domestic ground water intake

Domestic water pressure boosting

Domestic rainwater harvesting



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The Grundfos SCALA1 is a fully integrated, all-in-one, self-priming, compact waterworks designed for pressure boosting in domestic and light-commercial applications, such as garden irrigation or pressure boosting to one and two family houses and apartments.

The Grundfos SCALA1 is a self-priming, multistage pump, that incorporates all the components of a pressure booster into a compact composite enclosure.

As it is self-priming, the SCALA1 can pump water from a level below the pump. Provided it is filled with water, the pump can lift water from a depth of 8 m in less than 5 minutes. This facilitates easy installation and start-up of the pump and provides more reliable water supply in installations where there is a risk of dry running and leakages in suction hose or pipes.

SCALA1 can communicate with Grundfos GO app via built in Bluetooth, which enables detailed pump monitoring and high customization options, making this pump a good fit for every application.

SCALA1 incorporates advanced protection features such as:

  • Dry running protection that will automatically stop the pump in case of water shortage
  • Cycling protection which will prevent pump starting frequently in case of minor leakages in installation
  • Max runtime protection can stop the pump after a desired period of continuous operation, preventing potential damage due flooding in case of pipe breakages.

The pump has a built-in motor protection that will stop the pump if exposed to excessive temperature due to high ambient temperature, in case of seizure or overload, thus preventing a motor burnout.

With Grundfos GO you can easily setup SCALA1 as a Twin booster system, operating as duty/stand by as well as duty/assist. It is also possible to add external input control and schedule a pump operation via calendar function.

SCALA1 require no maintenance, but it is recommended to keep the pump clean, check the non-return valves and keep the ventilation holes free of dust.


Data sheet

Approvals and markings
Approvals for drinking water
Curve tolerance
ISO9906:2012 3B
998.2 kg/m³
Enclosure class (IEC 34-5)
Gross weight
14 kg
Maximum head
44 m
Insulation class (IEC 85)
Length of power cable
1.5 m
Liquid max temp
0 .. 45 °C
Mains frequency
50 Hz
Maximum current consumption
4.1 A
Maximum operating pressure
8 bar
Maximum permissible inlet pressure
3 bar
Net weight
12 kg
P1 max.
910 W
Pressure rating for connection
PN 8
Pumped liquid
Rated flow
3.59 m³/h
Rated Head
25 m
Rated power - P2
0.58 kW
Rated voltage
1 x 230 V
Selected liquid temperature
20 °C
Shaft seal type
Size of inlet connection
1 inch
Start pressure
2.2 bar
Type of cable plug
Type E/F (CEE7/7) Schuko plug
Type of inlet connection

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