| 摘要 |
PURPOSE: A device for circulating the hot water is provided to easily assemble and to save a manufacturing cost by integrally forming a water tank inside a main body of a housing. CONSTITUTION: A device for circulating the hot water comprises a first control panel. A plurality of ventilation holes is formed in a main body of a housing. A water tank is integrally formed in the main body by injection molding. The first and second check valves are individually connected to first and second water discharging holes and controls the water which is stored in the water tank to be introduced when the pressure inside the water tank is high. |
