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1. Drain the water in the pump and add water when using it. Prevent the pump from freezing and cracking the pump.
2. If the pump is frozen, use hot water or boiling water to pour the pump into the ice. Or heat the pump casing.
3. Use a downhole pump. Put the pump into the well. Generally, the downhole pump is deep from the ground and will not freeze.
4. Use insulated water pump. Add the insulation to steam or hot water. Icing with a waterproof pump.
5. A non-self-priming centrifugal pump is used. When using, add water.
6. Place the pump in a normal temperature environment. Below zero.
The water pumps used in the tap water system in the north are mostly self-priming pumps. It is easy to freeze in winter. In this case, we should take the following measures to maintain the pump.