liberty Pumps / Sump Pump Pre-assembled Primary Back-up System Compact design provides secure basement protection Drop-in-the-pit ready automatic operation / • Primary pumps available in i • Provides uninterrupted pumping in the event of power outage or main pump failure Compact profile will fit minimum 15" diameter sump pits • Back-up pump (Model 441) offers 5 stage battery charging and protection from battery bum-out or overcharging (12V deep cycle • Audible and visual alarm warns of backup pump operation System includes primary pump check valve and back-up pump check valve

SUMP PUMP COMBO SERIES Primary Pump Back-up Pump System Weight Minimum pit size for all above systems 15" diameter x 18" deep For complete primary pump specifications see appropriate 230-Series, 250-Series, or 450-Series literature. For complete back-up pump specifications see model 441 literature. PRIMARY PUMP PERFORMANCE BACK-UP PUMP PERFORMANCE Specifications subject to change without notice. Included in complete system • 1-1/2" PVC piping with rubber coupler between primary pump and back-up pump (rubber coupler provides easy removal and serviceability of back-up pump) • Check valve included...