The 0.5 HP pump draws water from a single pipe well at depths up to 25 Ft. providing up to an 11 GPM flow rate The dual voltage Motor works on either 115 or 230 voltage and is factory wired for 230 voltage The rugged, durable, cast- iron pump provides you with long-term peace of mind 1 in. NPT discharge, 1-1/4 in. NPT suction connection 1 Year warranty by manufacturer