4" Reid Drain-Master 5500 Submersible Pump 415vFitted with double mechanical seals running in an oil chamber plus lip seal for added protection. The primary seal is made from high wear resistant silicon carbide for extra protection against leaks and dry running. Reid Drain master pumps are designed to provide an economical solution for industrial, civil and mining de watering requirements. Unique water cooling design prevents the motor from overheating for long life Channel impeller design for