Submersible pressure booster pumps
Discover the Grundfos SB and SBA submersible booster pumps—powerful, versatile, and engineered to deliver reliable water pressure in homes and beyond.
They are:
Designed for easy installation
Built to deliver consistent water pressure where and when it’s needed
Ready for a range of applications, from boosting household water supply to supporting rainwater harvesting systems
Choosing the right SB or SBA is simple, we offer quick selection guidance to help you find your perfect match.
And with flexible external control unit options, you get smart, tailored operation for every situation.
Quick Sizing
Choose the right SB or SBA for the job every time – download our selection guide and make your workday easier.
Build for your needs
To suit your application, the two models meet your main needs:
- SB – basic pump to be used with external control unit.
- SBA – automated with built-in control.
Both models are available in the following configurations:
- Integrated suction strainer without float switch.
- Integrated suction strainer with float switch.
- Side inlet with float switch.
- Side inlet without float switch.
Select your product
Services
Service offerings throughout selection, installation, operation and replacement of pumps.
How can we help you?
Whether you’re looking to buy a product or simply seeking advice from a Grundfos expert, we are more than happy to help you get the most out of your pump solution! Feel free to get in touch if you need support.