Grundfos Scala1 Water Pumps


An all-in-one, self-priming pressure booster range with Bluetooth connectivity.

The SCALA1 pressure booster is quiet, approved for use with drinking water and simple to install, customise, control and even troubleshoot via the Grundfos GO app on your mobile device.

Please Note: The Twin kit only includes the base and connection and pipes etc. not the 2 matching pumps, they must be bought separately


  • Simple to install, customise, control and troubleshoot through the Bluetooth® connected Grundfos GO App.
  • Easy installation – plug & pump – simply connect to the pipework, prime the pump, plug into a power outlet and you’re ready to pump.
  • Suitable for pumping from water sources above and below the level of the pump, including from below ground tanks.
  • Quiet operation that won’t disturb your family or neighbours.
  • Tough weather resistant outer casing houses the pump, motor and the controller.

Pump Specifications

Scala 1 - 3-45 Scala1 - 5-55
Number of Simultaneous Taps  3-5 4-5
Watts 800 1000
Suction Lift - Tank to Pump (max) 8m 8m
Suction Lift (BWT Recommended)
4m 4m
Head Height - How high it can pump (max) 45m 55m
Head Height (BWT Recommended) 20m 25m
Inlet and Outlet Quick Unions 1" Male (25mm) 1" Male (25mm)
Inlet Height from Base 171mm 171mm
Outlet Height from Base 263mm 263mm
Length 486mm 486mm
Width 202mm 202mm
Height 316mm 316mm
Weight 12kg 14kg
Noise Level 55 dB Max 55 dB Max

Technical Details 

Operating Conditions:
  • System pressure: Max. 8 bar/0.80 MPa
  • Liquid temperature: 0°C to +45°C
  • Ambient temperature: Max. +55°C
  • Relative air humidity: Max. 98%
Technical Data:
  • Mains voltage: 1x 230V, 50Hz
  • Enclosure class: IPx4D (outdoor)
  • Pump housing material: Composite
  • Sound pressure level: Max 55 dB(A)
  • Start/stop frequency: Max. 25 per hour
  • Approvals: Drinking water approved AS/NZS 4020


  • Bluetooth Connection for Errors and Setup
  • Twin Booset Option
  • Self Priming and Easy Priming Port
  • All-in-one init
  • 8m Suction Lift
  • Compact Size
  • Dry run Protection
  • Intelligent Pump Controller
  • 5° adjustable inlet outlets for easy installation
Twin Booster Option:

Where higher flow is required SCALA1 can be set up as a Twin Booster in either Duty Assist or Duty Standby modes

The kit includes: Mainifolds, Isolation valves, base plates, communication calbe and fixing screws

  • SCALA1 Pump
  • SCALA1 Pump
  • SCALA1 Pump easy Priming