Residential 10GPM High Head GS Series, 1HP, 60Hz, 230V, Submersible Pump. Features and Benefits: - Redesigned impeller for improved hydraulic efficiency and overload prevention - Additional staging allows for higher pressure and increased flow - Premium Stainless Steel casing, motor adapter, discharge head - Built-in Stainless Steel check valve - Superior Sand Handling - Built in the USAGSSALES.pdfGSSPEC-R1.pdfB5-25GS-R8.pdf