| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water heater capable of improving usability for a user with respect to a heat-retention time. <P>SOLUTION: This water heater where hot water stored in a bathtub is kept at a set heat-retention temperature for the heat-retention time, is provided with a remote controller 13 for kitchen, operated to change the setting of the heat-retention time, and a hot water storage ECU 37 implementing the control to temporarily extend or shorten the heat-retention time until the heat retainable time becomes 0 (zero) or a heat-retention releasing operation is performed, on the basis of the operation of the remote controller 13 for kitchen. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
