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Grundfos SB/A range
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Grundfos SB/A range

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The SB and SBA pump is a submersible booster pump for the pumping of clean water. It is especially suitable for rainwater applications and private wells. The pump is available in two versions:


The Grundfos SB is a submersible pump for the pumping of clean water. It is designed for use in domestic applications. The pump itself is very silent, and when installed underground in a rainwater collecting tank or well, noise will never become an issue. The SB pump requires an external controller, like Pressure Manager, for automatic operation.


  • •  Flexible selection – Pump + controller
  • •  Complete control and monitoring
  • •  Easily accessible controller – for service & replacement


The new Grundfos SBA is a complete all-in-one unit. It is built on the proven SB platform, but comes with an integrated control unit – eliminating the need for an external pump controller.

The SBA is literally a plug- and pump solution. Once installed and connected to the piping, all you need to do is switch on the pump.


  • •  Easy selection – one unit
  • •  Easy installation – one unit
  • •  Flexible installation – no controller inside the house

All SB and SBA pumps are available in two main variants

  • •  With integrated suction strainer (1 mm mesh)
  • •  Or with side inlet/flexible suction hose with floating suction strainer (1 mm mesh).

All variants are available with or without float switch:

The float switch offers automatic operation and dry-run protection, stop at low water level, ensuring that surface fragments do not enter the strainer.


  • •  Noiseless operation
  • •  High reliability
  • •  Integrated protection
  • •  Floating suction strainer - the model with floating suction strainer always draws the water from just below the water surface where the water is clean and free from solid particles.

Additional features of the SBA

  • •  Simplicity – all-in-one unit
  • •  Easy installation – no external control unit
  • •  Integrated dry-running protection
  • •  Automatic restart after dry-running
  • •  Lifting eye.