Residential Wastewater – Submersible Effluent Pumps Specifically designed for on-site wastewater treatment for the following: -Homes, Farms, Trailer Courts, Motels, Schools, Hospitals, Industry, Effluent Systems FEATURES AND BENEFITS Impeller: Cast iron, semi-open, non-clog with pump-out vanes for mechanical seal protection. Balanced for smooth operation. Silicon bronze impeller available as an option. Casing: Cast iron volute type for maximum efficiency. 2″ NPT discharge. Mechanical Seal: Silicon Carbide vs. Silicon Carbide sealing faces. Stainless steel metal parts, BUNA-N elastomers. Shaft: Corrosion-resistant, stainless steel. Threaded design. Locknut on all models to guard against component damage on accidental reverse rotation. Fasteners: 300 series stainless steel. Capable of running dry without damage to components. Designed for continuous operation when fully submerged. EXTENDED WARRANTY AVAILABLE FOR RESIDENTIAL APPLICATIONS.B3885-R2.pdfB3885Z-R2.pdfIM107R10.pdf3885SPEC-R2.pdf