| 摘要 |
PROBLEM TO BE SOLVED: To prevent the temperature drop of hot water in a bathtub due to suction of air in a large-sized jet bath without any problem in appearance and suction noise by supplying some of heating air for a bathroom into a ceiling of the bathroom, and disposing an air suction port of the jet bath in the ceiling of the bathroom. SOLUTION: A jet bath 5 installed in a bathroom 1 is so constructed that an air suction piping 7 is connected to the midway of a piping 6 for circulating hot water, thereby, air is mixed in the circulating hot water to be jetted from a jet nozzle 8. In this arrangement, the air suction port of the air suction piping 7 is disposed in the ceiling 11 of a bathroom. Heating air supply for the bathroom is supplied into the bathroom 1. That is, air supplied from an air supply fan 21 installed in a ceiling 20 of a dressing room 3 is heated by a heating coil 22 to be passed through an air duct 23 extending from the ceiling 20 of the dressing room 3 to the ceiling 11 of the bathroom 1 and be blown out from an air supply port 24 opened to the interior of the bathroom 1, and an air supply port 26 at the forward end of a branch air duct 25 branching off from the air duct 23 is opened to the interior of the ceiling 11.
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