| 摘要 |
PROBLEM TO BE SOLVED: To provide a bathroom floor-heating device that can quickly heat the floor surface of a bathroom with a small amount of hot water. SOLUTION: In a bathroom, a hot water tank 7 for storing hot water being sent from a hot water supply apparatus for keeping the hot water warm is provided at the back side of an apron 4 of a bathtub 2, and is connected to a piping path 20 for introducing hot water to a faucet in the bathroom. A hot water flow path 6 and a switching valve 8 are provided. The hot water flow path 6 has a flow hot water port 5 for branching from the piping path 20 and for allowing hot water to flow onto a floor 3 in the bathroom. The switching valve 8 changes hot water to either a faucet side or the side of the hot water flow port 5, and is provided at the branch part of the hot water flow path 6.
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