| 摘要 |
PROBLEM TO BE SOLVED: To provide a water heater system capable of suppressing run-out of hot water of a water heater provided in a building with higher priority.SOLUTION: A water heater system includes a plurality of water heaters 5 respectively provided in a plurality of buildings, a common pipe 20 connecting the plurality of the water heaters 5, a plurality of up side hot water supply pipes 21 and a plurality of down side hot water supply pipes 22 respectively connected to the plurality of the water heaters 5 and the common pipe 20, a plurality of on-off valves and a plurality of three-way valves for controlling flow of the hot water so that the hot water heated by the water heater 5 flows toward other water heaters 5, and a server 7 for controlling the plurality of the on-off valves and the plurality of the three-way valves. The hot water heater 5 can output the hot water requirement information to the server 7, and the server 7 controls the plurality of the on-off valves and the plurality of the three-way valves based on the priority associated with the plurality of the buildings when the hot water requirement information is acquired from the water heater 5, and thereby, the hot water is supplied to the water heater 5 outputting the hot water requirement information provided in the building having the priority. |
