A.Y. McDonald 404011EF Effluent Pump 4/10 HP 115V Submersible Sewage Pump with Tether Float Switch – 2 in NPT Discharge, 3450 RPM, Cast Iron Housing, 3/4 in Solids Handling

The A.Y. McDonald 404011EF Effluent Pump is designed for dependable wastewater and septic system pumping in residential and light commercial applications. This 4/10 HP, 115-volt submersible pump features rugged cast iron construction with stainless steel components for long-lasting durability in demanding environments. The pump uses a vortex impeller design capable of passing solids up to 3/4 inch, making it ideal for septic effluent transfer, sump systems, and wastewater management. The included tether float switch automatically activates the pump as water levels rise and fall, ensuring efficient and automatic operation. Powered by a 3450 RPM oil-filled motor, the system delivers reliable pumping performance while maintaining proper motor cooling and long service life. A 2-inch vertical NPT discharge and 15-foot power cord provide flexible installation for various sump basin and septic tank configurations.