Model: Jabsco Par-Max 1,9 (24V). It has a pressure switch that switches on the pump when you open the faucet.
The pump is selfpriming up to app 1 meter and can run dry for shorter periods. It can be mounted in any position and is easily fixed with 4 screws through the rubber feet. It makes very little noise and spare parts are available in most of the world.
This pump needs a separate 24V/3A power supply and CAN NOT be powered by the PCB in WaterStillar Wall.