Pay attention to the water level when using it. Make sure that water pump body is completely soaked in the water and cannot run empty without water.
Open the back cover of the air conditioner fan, cut off the original water pump line and connect the new one-to-one water pump wire (regardless of the positive and negative poles), put heat shrink tube on it, and burn and tighten it with a lighter. It's OK to set another water supply pipe and tighten and fix it.
The wholesale price is discussed separately (the price of this website is for reference)