Liberty Pumps PC441-10A Sump Pump Combo systemThe PC441-10A Sump Pump Combo system from Liberty Pumps is a complete pre-assembled primary pump and 441-10A backup pump available in several primary pump models. The Model 441-10A emergency sump pump system is a mid-range product, falling between the base-level 441 system and the higher-end 442 systems. It has a 10-amp charger, and the high-output 12-volt battery-operated pump starts automatically when the power fails. Its compact design is drop-in-the-pit ready, making onsite installs quicker and easier, according to the maker. Primary pumps are available in 1/3 or 1/2 hp and are ready to connect to
