A guide to complicated water pressure pump selection, sizing and installation

How to select and size a water booster pump

There are many different components involved in designing and building a water pressure boosting system for the home. While it may seem obvious, some booster pumps work better than others in specific situations. It can be difficult to know which pump best meets the needs the job and which components you require to build the right sized system.

Choosing the wrong pump, tank or pressure controller can cause up to 4 hours lost time on re-sourcing the correct components. Use our quick pump selection guide to ensure you get the best water pressure pump to suit the system.

Complex water boosting systems

Traditional water pressure boosting systems can be complex. They consist of many different components, including expansion tanks, pumps, valves and control systems. All of these elements need to be built into one solution.

The more complex an installation is, the more time it takes to fit and usually there is a higher risk of buying the wrong components. Sourcing components and re-fitting pipes can take up to 2 hours and this can incur additional costs and wasted business time.

Common issues when installing a water booster pump

Limited space is the most common issue when installing a pressure boosting pump system. In most cases, this means having to extend the system to find alternative space or trying to fit it to the existing system.

This can be time-consuming, complex and create unhappy customers. Installing a booster system that does not fit the designated installation space can increase installation time by up to 2 hours if new piping and fittings required. 

Compact water pressure pump 

The Grundfos SCALA pressure booster pump range are compact, all-in-one solutions that integrate all components into one box. Making installations quick and easy, saving you time you can spend on other jobs.

As a multi-purpose pump, they are built for every application and are ideal indoor and outdoor installation, making selection and sizing less complex than traditional boosting systems.

We produced this range to be quick and easy to install as a fully integrated, all-in-one pump.

Fit the SCALA pump in just 3 easy steps:

1. Connect the pipes: The adjustable inlet and outlet connections lets you easily move +/-5° to enable a quick installation. 
2. Prime the pump: The large prime plug enables you to fill water quick and easy. You must fill the pump with a minimum of 1.7 litres of water.
3. Plug the pump into the power outlet and the pump will activate. 

If you’re in doubt about the installation, you can always watch our Quick Guide that comes with the SCALA2 pump.

As a default, SCALA2 will deliver a water pressure of 3 bar, regardless of inlet pressure and the number of open taps. Fundamentally, this rules out any commissioning time. 

For fast and easy commissioning of SCALA1, configure the pump using the pump control panel. To get the most out of the pump, you can use the Grundfos GO REMOTE app and follow the guided online configuration.

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