Growth in advanced onsite wastewater treatment systems by definition means growth in sump, sewage and aeration pumps. Here are several new offerings from manufacturers of those products.High-head Turbine Pump The 5030-0007 turbine pump from Zoeller Pump Co. filters effluent pumping in high-head applications. Its 115 V (or optional 230 V) motor runs cool while driving a stainless steel shaft. Seven stages of impellers enable the pump to achieve 241 feet of total dynamic head. Flow from the 1 1/4-inch glass-filled Noryl discharge is 11 gpm at best efficiency where it overcomes more than 120 feet of head. The pump is
