Grundfos submersible water pump 3 well borehole sq5-50 1,70kw 1x230v 50/60hz acceptable media temp 30 °c (40 °c) pump diameter ø74 mm weight min. The TWS, leading its clients to find the best solution, is nowadays considered one of the first preferred supplier quality, efficiency and experience are essential values of the TOMEIWATERSOLUTIONS.