The Zoeller 115V 1/3HP Cast Iron Submersible Sump Pump 48 GPM #1052 is a powerful and reliable pump designed for positive head installation. With a maximum flow rate of 48 GPM and a maximum head lift of 15 ft, this submersible pump is perfect for sump pump applications. It has a 1.5-inch inlet and a 1/3 HP motor that operates on 115VAC power. The pump is made of durable cast iron and comes with a 3-year manufacturer warranty.