Self-Priming Pump - JET-80M These pumps are suitable for pumping clean water and fluids which are not chemically aggressive to the pump components. They are extremely reliable, economical and simple to use, being particularly suitable for domestic applications such as the automatic distribution of water from small and medium-sized surge tanks, watering gardens, etc. These pumps should be installed in a covered area, protected against the weather. N.B. It is always advisable to install a foot valve or non-return valve on the suction opening. https://www.hl-pump.net/product/selfpriming-pump/