Cast-iron submersible sewage pump. Pumps up to 5700 GPH at 0'. Piggy-back tether float switch for automatic or manual operation. 2" discharge capable of handling 2" solids. Designed for easy installation without any plumbing changes. Easy carry ring for portability. Lower ball bearings for quiet operation. When processing claims please refer to mydoitbest.com plumbing home page for instructions. Pump serial number is required to process claim.