Basement Waterproofing - Dual Pumps

The green pump near the bottom is the main pump that will keep the basement dry and remove water from the sump pit in normal conditions. Piggybacking onto it is the white UltraSump™, a battery-powered backup pump. This pump can turn on to assist the main pump when water levels get too high, or can turn on when the power goes out to give around-the-clock flood protection.