| 摘要 |
PROBLEM TO BE SOLVED: To reduce the valve trouble caused by contaminant components such as dirt, hair, etc., adhering to an accumulating on each changeover valve, and to materialize clean hot water filling to a bathtub. SOLUTION: This hot water supplier is equipped with a cleaning vessel 4 which is piped at one part of a hot water pouring circuit for pouring hot water to the bathtub and cleans up the contaminant of water in the bathtub with a filtering material 5, a back-washing water circuit which back-washes and regenerates the filtering material 5, a direct washing water circuit which directly cleans a two-way valve 8 on the downstream side of the cleaning vessel 4 at direct washing, each changeover valve 6, 7, 8 and 9 which switches lines in a forward water circuit for washing a bath forward pipe 16, and a control means which controls the switching of each changeover valve, and the control means controls the control of a valve, the control of opening and closing of a hot water pouring valve 12, and, by washing timer control, the water passage and washing of each water circuit. Hereby, this hot water supplier can materialize the remarkable reduction of the trouble of each changeover valve and the fine hot water filling by beautiful water in a bathtub at hot water filling by the cleaning-up of contaminant components of a hot water pouring circuit.
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