To pump water out of the basement, we installed the SuperSump sump system. Our most effective system, the TripleSafe contains a powerful, cast-iron Zoeller ⅓ horsepower sump pump set at the lowest level. For heavy volumes of water or in case of primary pump failure, a second, more powerful Zoeller ½ horsepower pump set a bit higher in the liner, will take over. In case of a power outage, a backup battery pump will start.