Grundfos SCALA2 3-45 A Water Boosting VFD Pump


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Grundfos SCALA2 Water Boosting VFD Pump

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GRUNDFOS SCALA2 is a robust, composite, variable speed pump that adjusts performance according to water demand, providing constant pressure to all taps. The fully integrated pump includes a motor, tank, sensor, drive and non-return valve in one compact unit that is quick and easy to install. SCALA2 is self-priming, allowing for use from both above and below ground water sources and the water-cooled motor ensures quiet operation.


  • Variable Speed – The pump adjusts performance according to water demand, providing constant pressure to all taps regardless of variations in demand or inlet pressure.
  • Self-Priming – Ideal for pressurising water from above or below ground water sources with a suction lift of up to 8 metres and self-priming up to 4 metres.
    Energy Efficient – The pump features a permanent magnet motor to help reduce power consumption while the frequency controller matches the power consumption with the required water output, also helping to conserve energy and reduce energy bills.
  • Simple Selection – One model to suit most domestic applications makes selection easy.
  • User Friendly – The easy to use control panel features LED indicators displaying power status, pressure setting and alarm indicators lights.
  • Protective Functions – To protect the pump and help ensure a long life, a range of protective features are incorporated into the pump such as; dry-run protection, anti-cycling alarm, auto-reset and maximum continuous operation time (30 mins).
  • Easy Installation – Quick and easy installation in just three steps; connect the pipes, prime the pump and plug into the power outlet.
  • Integrated Non-Return Valve – No additional non-return valve required – plug and pump solution.

Motor / power (P1): 550W
Max. flow:
1″M / 25mm
1″M / 25mm
Start pressure: 
PM1 – 1.5 bar
Warranty on pump:

2 Year Standard Warranty



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Weight 12 kg
Dimensions 47 × 26 × 37 cm

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