ZZB Series Self-sucking Auto Pump features high head, big sucking range, copper structure, sanitation, small size, easy operation, low noise, long longevity and so on. It has been widely used in auto water supplying pipes; Pressurization for high buildings; Boilers in family, apartment and school, water recycling of the solar water heater; Auto water supplying from under water wells and open wells; Water supplying for the field and the gardens. It can also be used in the cooling recycling systems in industries.

Working conditions
1. Rated voltage: 220V;
2. Rated frequency: 50Hz;
3. Altitude: Not more than 1000m;
4. Ambient operation temperature: It may vary with the changing weather but never exceeding 40ºC;
5. Relative humidity: In the most humid month, the highest average relative humidity is 90%, with its lowest average temperature not higher than 25ºC.