The booster pump is rusted. Can water be used?

The booster pump is rusted and the water can't be used. Rust of booster pump will cause the impeller of water pump to be stuck and unable to start. If the corrosion is not serious, you can remove the motor fan cover and turn it for a few turns to start running. If the corrosion is serious, it is necessary to disassemble the pump body, take out the pump impeller, clean up the corrosion and reinstall it, which can basically solve the problem.