Water Tanks Booster Pump

A booster pump for water tanks is a device that:

Increases low water pressure and flow.
Provides the extra boost needed to bring water pressure to the desired level.
Can be used to move water from a storage tank or throughout a whole house or commercial facility.
Improves the pressure of water or other fluids and increases the flow rate.

Most water booster pump, no matter who the manufacturer contain the same core components:

Motor
Impellers
Inlet and outlet
Pressure or flow sensing device
The Davey pump pictured below has a sensing device that helps manage and maintain a level of pressure.