Pumps up to 4600 GPH at 0'. Cast-iron submersible sump pump. Vertical float switch for automatic operation. Top suction design filters debris and minimizes clogging. Designed for easy installation without any plumbing changes. Stainless steel, high performance 3/4 HP motor. 1-1/2" NPT discharge and durable cast-iron base. Easy carry handle for portability. Float guard protects switch from hang ups. 5 year warranty. When processing claims please refer to mydoitbest.com plumbing home page for instructions. Pump serial number is required to process claim.