This pressurised water system combines 2 Jabsco PAR-MAX 4 pumps into one system with up to 34 litres / minute (9 GPM) flow rate. The 2 litre pressure tank ensures a steady water flow, the integrated suction filters protect the pumps from debriss.
Mode of operation:When water is tapped (at basins, showers, etc.), the pressure in the system drops. After a slight drop in pressure, the built-in pressure switch starts the first pump. When the cut-off pressure of 40 PSI is reached, the built-in pressure switch switches off the pump again. If a larger amount of water is required (several taps opened at the same time), the pressure continues to drop despite the first pump being switched on and the built-in pressure switch also starts the second pump. The pumps have check valves at the outlet to ensure that the pressure is maintained after the pumps are switch off. The dual pump configuration offers increased reliability. Should either of the system pumps become inoperable for any reason, the remaining pump will continue to function.
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