Does the fresh water pump need a protective cover

yes. All exposed rotating parts of circulating water pump and fresh water pump must be provided with safe and reliable protective covers or nets. It is not allowed to start the machine when the protective cover is removed. Fresh water pump is used for conveying clean water and other liquids with physical and chemical properties similar to clean water. It is suitable for industrial and urban water supply and drainage, high-rise building pressurized water supply, garden sprinkler irrigation, fire pressurization, long-distance transportation, HVAC refrigeration cycle, farmland irrigation, bathroom and other cold and warm water circulation pressurization and equipment matching.