Pump for water cooler

The present invention relates to a pump for water-cooling cooler which is located inside or outside an electronic device where a heating part is installed, and cools down heat generated from the heating part using a circulating refrigerant. Comprised are a pump chamber assembly including a pump chamber where fluid is accommodated and an impeller formed to be able to rotate around a certain axis inside the pump chamber; a heat exchange chamber assembly formed in one side of the pump chamber assembly; and a stator assembly formed in one side of the pump chamber assembly, providing certain operating power to rotate the impeller.