1/3Hp Sumbmersible Sump Pump This is a new 1/3Hp heavy duty cast iron automatic sump pump w/mechanical switch Cast Iron construction Oil cooled continuous duty motor Automatic float switch, 1 1/2" discharge Automatic thermal and overload protection 1/3 Hp Ideal for basement needing frequent drainage Head Lph Head Us Gph 6,0m 1100 20" 300 4,5m 3400 15" 900 3,0m 6000 10" 1600 1,5m 9000 5" 2400