The Grundfos SBA 3-45 A is an all-in-one submersible multistage booster pump for domestic rainwater harvesting and water-pressure boosting. Its integrated control unit starts and stops the pump automatically, removing the need for a separate external pump controller.

Key features and specifications

• Suitable for clean-water pressure boosting and rainwater reuse
• Integrated automatic pressure control
• Float switch included
• Stated start pressure: 2.2 bar
• Maximum head: 45 m
• Maximum particle size: 1 mm
• Outlet: G 1 in
• Supply: 1 x 220 to 240 V, 50 Hz
• Power cable: 15 m
• Maximum installation depth: 10 m

Check the required duty point, tank depth, outlet connection and available water level before ordering. The pump is designed for water within the Grundfos operating limits and should not be selected on maximum head alone.