Stainless steel body& permanent magnet motors&thermoplastic impellers -industrial grade heavy duty - guarantees high durability and long-lasting use. This water well pump is perfectly convenient for use at home and for factory usage;can be implemented in different types of wells-ash pipe wells, steel pipe wells, or soil wells;Can be used for extracting water from reservoirs, canals, rivers, open water tanks and other water lifting works. This submersible water pump is with a built-in control box, it is for thermal protection, short-cut protection and overload protection.