| 摘要 |
PURPOSE:To make it possible to carry out bathroom floor heating safely and economically by connecting a bathtub to a heat source and providing a hot water storage tank assembled in a circulation pipe at a washing place, and radiating heat of hot water circulating within a circulation pipe by means of a pump. CONSTITUTION:At the time of additional heating of hot water within a bathtub 1, hot water flows from the bathtub 1 into a hot water storage tank 6 via an outgoing pipe 3a of a circulating pipe 3, and radiates heat to the floor surface 5 of a washing place. The radiated hot water passes through the outgoing pipe 3a of the circulating pipe 3, and is heated by a heat source 2, then passing through a return pipe 3b and again returning to the bathtub 1. Thus, by carrying out repeatedly such forced circulation, the floor surface 5 of the washing place is warmed by the heat radiation of hot water passing the inside of the heat storage tank 6, and hence comfortable bathing can be performed. Thus, the floor heating is carried out by utilizing heat of circulating hot water between the inside of the bathtub 1 and the heat source 2, it is unnecessary to provide a heat source exclusively used for floor heating and piping equipments exclusively used therefor, but it is possible to carry out the bathroom floor heating safely and economically.
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