Complete installation of sump pumps with pit, pump replacement, installation of underground sump pump discharge line to storm sewer or daylight location.With the water power backup system, there is no battery required! Utilizing the city water pressure in the event of a power failure or primary pump failure, this system will keep your basement dry without the worry of limited battery life. In the event of a power outage or primary pump failure, the battery powered pump will keep your basement dry.