Shimge PZ-series product can achieve water supply at steady pressure and provide steady water pressure for users. A thermal protector is installed on the pump body to detect the temperature of the pump body; when the water pump runs without water or the temperature of the medium is too high, the water pump will stop running. The water pump is protected by its base and enclosure, featured by weather-proofing, damp- proofing, and low noise. In general, the pump of this series, with features like high lift, quiet operation, small footprint, light weight, compact structure, and easy installation, is a energy- efficient, hygienic, and safe electric pump ideal for house hold.