4. open the pump valve on or off for a long leave water in front of the pump without the water circulates within the body of the pump motor is burnt, rotor, Cap, sweater, solubility pump and other parts breaking.
4. Open the pump in water for a long time. Pump or valve Page By circulating water in the pump causes the motor burns, rotor, cap melts, T pumps and other parts can be damaged.
4. Open the pump water for too long, or close the valve at pump. Without water circulates in the pump motor burned, rotor, cover melts, shirts and other broken pump damage.