The submersible 3SD dual-seal with seal sensor probe sewage pump from Goulds Water Technology, a Xylem brand, combines dual hard-face mechanical seals with a 300 series stainless steel keyed shaft motor. It has a cast iron, two-vane, semiopen, non-clog impeller with pump-out vanes for mechanical seal protection, ensuring maximum energy efficiency. The pump is balanced for smooth operation and capable of running dry without damaging the inner components. It comes in single- and three-phase options with a range of 1.5 to 5 hp, supporting several hydraulic requirements. It is certified by Underwriters Laboratories and the Canadian Standards Association. 866/325-4210; www.goulds.com.