| 摘要 |
PURPOSE:To make bath taking comfortable in winter season and so on and avoid accidents due to electricity leak or electric shock by passing the recycling at least part of the hot water in a bath tub or supplied to a bath tub along the vicinity of the floor face of a bath room to warm the floor face or the floor board surface of the bath room. CONSTITUTION:Part of the hot water 12 in a bath tub 10 or supplied into the bath tub 10 is made to pass and recycle through a plurality of recycling pipes 24 which are embedded in the floor 16 and the side wall of the bath tub 10 to warm a floor face 18 or a floor board 20, or after the hot water 12 supplied from a bath boiler 14 to the bath tub 10 is passed through the inside of a recycling pipe 36 which is embedded in the floor 16 through a connecting pipe 34, the hot water is supplied into the bath tub 10 through the end section 28 of an opening.
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