Grundfos SQE 3-65 Constant Pressure Bore Pump

Grundfos SQE 3-65 Constant Pressure Bore Pump

The Grundfos SQE 3-65 is one of the most popular constant pressure bore pumps in the Grundfos range, delivering an excellent balance of flow, pressure and efficiency for domestic, rural and lifestyle properties. When paired with the Grundfos CU301 controller, the SQE 3-65 automatically adjusts pump speed to maintain constant water pressure throughout the home, regardless of changing water demand.

Built from high-quality stainless steel and featuring advanced motor protection, dry-run protection and soft start technology, the SQE 3-65 provides premium performance and reliability for bore water systems.

Key Features

✔ Constant Pressure Technology

✔ Variable Speed Operation

✔ 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

✔ Compatible with Grundfos CU301 Controller

Performance

Specification	Value
Rated Flow	50 L/min
Maximum Flow	Up to 75 L/min
Rated Head	65m
Maximum Head	Up to 89m
Motor Size	1.15kW
Bore Size Required	76mm Minimum
Outlet Size	1¼" BSP

What Will It Run?

30–50 L/min

• Average family homes
• 1–2 bathrooms
• Tank filling
• Livestock troughs

50–70 L/min

• Large family homes
• Multiple bathrooms
• Stock water systems
• Rainwater storage systems

70–75 L/min

• Lifestyle properties
• Rural homes
• Multiple outlets operating simultaneously
• Small irrigation systems

Why Choose a SQE 3-65?

The SQE 3-65 is often considered the ideal constant pressure bore pump for rural homes. It provides enough flow for a large household while maintaining excellent pressure over long pipe runs and elevated tank systems. The variable speed technology ensures steady pressure at every tap while reducing power consumption and pump wear.

Constant Pressure Benefits

Unlike conventional bore pumps that run at full speed, the SQE 3-65 automatically adjusts output to match demand.

✔ Consistent Shower Pressure

✔ Better Performance with Multiple Taps Open

✔ Reduced Energy Consumption

✔ Less Pump Cycling

✔ Longer Pump Life

✔ Premium Household Comfort

Ideal Applications

✔ Domestic Bore Water Supply

✔ Rural Homes

✔ Lifestyle Blocks

✔ Tank Filling

✔ Stock Water Systems

✔ Livestock Watering

✔ Small Irrigation Systems

✔ Pressure Boosting Directly From Bore Water

Need Help Choosing?

Not sure if the SQE 3-65 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 constant pressure system for your application.

Product Specifications Link