Grundfos SQ Bore Pumps

Grundfos SQ Bore Pumps

The Grundfos SQ Series is one of Australia's most popular 3" submersible bore pump ranges, designed for domestic water supply, stock watering, tank filling and rural water systems. Built from high-quality stainless steel, SQ pumps feature integrated motor protection, soft start technology and dry-run protection, making them one of the most reliable bore pumps available for residential and agricultural applications.

Designed to fit bores as small as 3 inches (76mm), the SQ range provides an ideal solution for new installations and bore upgrades where efficiency, reliability and ease of installation are important.

Key Features

✔ 3" Bore Pump Design

✔ Dry-Run Protection

✔ Soft Start Technology

✔ Under & Over Voltage Protection

✔ Overload Protection

✔ High Efficiency Motor

✔ Stainless Steel Construction

✔ Single Phase 240V Operation

✔ No External Control Box Required

Popular Models & Typical Performance

Model Maximum Flow Maximum Head Best For
SQ 1-50 Up to 30 L/min Up to 55m Small homes & tank filling
SQ 2-55 Up to 50 L/min Up to 65m Domestic water supply
SQ 3-65 Up to 75 L/min Up to 75m Homes & stock water
SQ 5-70 Up to 110 L/min Up to 85m Rural properties
SQ 7-55 Up to 140 L/min Up to 68m High-demand systems

What Will It Run?

SQ 1-50

  • Tank filling
  • Small home
  • Livestock troughs
  • Weekenders and cabins

SQ 2-55

  • Average family home
  • 1–2 bathrooms
  • Domestic water supply
  • Small stock water systems

SQ 3-65

  • Family home
  • Multiple troughs
  • Tank filling
  • Small irrigation systems

SQ 5-70

  • Rural homes
  • Lifestyle properties
  • Tank storage systems
  • Larger stock water systems

SQ 7-55

  • High-demand rural properties
  • Multiple tanks
  • Irrigation systems
  • Large livestock watering systems

Why Choose a Grundfos SQ?

The SQ range is known for its built-in protection features and ease of installation. Unlike many traditional bore pumps, SQ pumps do not require an external control box and include protection against dry running, voltage fluctuations and motor overloads. This helps maximise pump life while reducing maintenance and downtime.

Need Help Choosing?

Not sure which SQ model is right for your bore? Contact The Pump Shed Australia with:

  • Bore depth
  • Static water level
  • Pumping water level
  • Required flow rate
  • Pipe size
  • Distance and elevation

We'll help size the right pump for your application.

Performance curves and technical data are available on request. Contact our team with your bore details and application requirements for pump selection and sizing assistance.

Product Specifications Link