For water supply from boreholes, wells or reservoirs Continuous duty rated products for use in domestic,  farming and irrigation applications. Operating Conditions Maximum fluid temperature up to   Maximum sand content:     Minimum well diameter:    Motor and Pump Replaceable Pump and Motor. Single-Phase: 220 - 240V/50Hz Equipped with start control box Curve tolerance according to ISO 9906 Warranty: 1 year + 35 ° C 0.25% 4” (according to our general sales conditions)