The BasicLine by Grundfos JPB is a compact self-priming booster solution for domestic water supply. It consists of a robust single-stage jet pump and is available with a Pressure Manager. Together these components ensure great comfort by automatically starting and stopping the pump according to your demand. Furthermore, the booster unit offers integrated protective functions protecting your investment. The JPB is easy to install, a simple matter of plug and pump. The JP5 & 6 are also available as a bare pump without the pressure manager.