Duplex type (2-pump) sewage ejector systems - fully factory-assembled and ready for installation. Each system includes a basin, (2) Liberty LE series sewage pumps and a control panel with built-in alarm (indoor or outdoor). Pro680 series - compact duplex system w/ PDC series control (alternating only pump operation). 1100 series - full size duplex system w/ AE series control (lead/lag or alternating pump operation).
