| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water heater having an inexpensive mist spray function having a simple structure. <P>SOLUTION: This water heater S includes: heating circulation circuits 41, 42, 44 for leading out hot water from a first takeout port 10 at an upper part of a hot water storage tank 1 by a hot water supply circulation pump 18, passing the hot water through a primary side of a hot water supply heat exchanger 4 to perform heat exchange, and returning the hot water to a lower part of the hot water storage tank 1; a hot water supply circuit for introducing tap water to a secondary side of the hot water supply heat exchanger 4, heating the water to a prescribed set temperature, and supplying the hot water to a hot water supply location 19; a hot water filling circuit 2Y for supplying hot water in which the hot water from the first takeout port 10 at the upper part of the hot water storage tank 1 is mixed with the tap water introduced via a pressure-reducing valve 6 to a prescribed set temperature by a first mixing valve 14 to a bath tub 2; a reheating circulation circuit 2P for circulating the water inside the bath tub 2 in a reheating heat exchanger 24 at the upper part of the hot water storage tank 1, performing heat exchange with the hot water at the upper part of the hot water storage tank 1, heating the water, and supplying the hot water to the bath tub 2; and a mist circuit connected downstream of the first mixing valve and supplying the hot water from the first mixing valve to a mist apparatus. <P>COPYRIGHT: (C)2010,JPO&INPIT |
