Quality 1st Service Technician Chris completes annual maintenance on the TripleSafe Sump Pump System in this Flemington, NJ home. Chris removes the airtight lid to access the cast-iron Zoeller pumps. All of the components are carefully removed and cleaned including the 1/3 hp pump capable of pumping 2,220 gallons of water per hour at an 8 foot head, the 1/2 hp pump capable of pumping as much as an additional 3.900 gallons of water per hour, and should the power go out, the UltraSump Battery Back up capable of pumping 11,500 gallons or more on a single charge in the event of a pump or power failure. Annual maintenance keeps the system operating effectively and efficiently and enhances its operation and life!