Grundfos SQ 2-55 Bore Pump

Grundfos SQ 2-55 Bore Pump

The Grundfos SQ 2-55 is one of Australia's most popular 3" submersible bore pumps, delivering an excellent balance of flow and pressure for domestic water supply, tank filling, stock watering and rural water systems. Built from high-quality stainless steel, the SQ 2-55 features integrated motor protection, soft start technology and dry-run protection, helping maximise pump life and reliability.

Designed to fit bores as small as 76mm, the SQ 2-55 operates on standard 240V single-phase power and requires no external control box, making installation simple and cost-effective.

Key Features

✔ 3" Bore Pump Design

✔ Single Phase 240V Operation

✔ Dry-Run Protection

✔ Soft Start Technology

✔ Under & Over Voltage Protection

✔ Overload Protection

✔ Built-In Non-Return Valve

✔ Stainless Steel Construction

✔ No External Control Box Required

Performance

Specification	Value
Rated Flow	33 L/min
Maximum Flow	Up to 55 L/min
Rated Head	55m
Maximum Head	Up to 68m
Motor Size	1.15kW
Bore Size Required	76mm Minimum
Outlet Size	1¼" BSP

What Will It Run?

20–35 L/min

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

35–50 L/min

• Average family home
• 1–2 bathrooms
• Stock water systems
• Multiple troughs

50–55 L/min

• Family homes
• Tank storage systems
• Small irrigation systems
• Lifestyle properties

Ideal Applications

✔ Domestic Bore Water Supply

✔ Tank Filling

✔ Stock Water Systems

✔ Livestock Watering

✔ Rural Homes

✔ Lifestyle Properties

✔ Small Irrigation Systems

✔ Water Transfer Applications

Why Choose a SQ 2-55?

The SQ 2-55 is often considered the "sweet spot" in the SQ range, offering enough flow for most homes while still providing excellent pressure for longer pipe runs and elevated tank installations. With built-in protection features and proven Grundfos reliability, it's one of the most commonly specified bore pumps for rural and residential properties.

Need Help Choosing?

Not sure if the SQ 2-55 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.

Product Specifications Link