| 摘要 |
PURPOSE: A hot-water supply apparatus for a bath tub is provided to remove bacteria contained in water while heating the water for half bath. CONSTITUTION: A hot-water supply apparatus for a bath tub comprises: a water suction tube(10) which is installed in a bath tub; a drainpipe(13) draining the water of the hot-water supply apparatus; a heater heating warm water; a pump circulating the warm water; a sterilizer sterilizing the warm water; and a filter tank purifying the warm water. When the water of the bath tub comes in through the water suction tube, the warm water circulates in the pump, heater, sterilizer, control valve, and drainpipe and is exhausted to the bath tub.
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