For multi-unit residential and commercial installations requiring the security of two pumps, Liberty's 1100 series provides the assurance of uninterrupted operation. Factory pre-assembled with any of Liberty's LE series sewage pumps. Liberty Pumps®, 1102/LE51M, Series: 1100, 140 gpm Flow Rate, 4 in Inlet, 115 VAC, 12 A Full Load, 1 ph, 1/2 hp, 24 ft Maximum Head, 110 gal Capacity, 2 in Discharge Pipe, Specifications: 1 Safety Factor, 221 deg F Thermal Overload, Polyethylene, 1725 rpm Motor