PURPOSE: To provide a hot water purifying device for a bath tub which does not require a laborious operation such as priming water operation to fill bath water in the respective water conduits of a septic tank, etc., which is heretofore required at the time of starting and at the time of restarting after washing of filter media.
CONSTITUTION: This hot water purifying device for the bath tub is composed of a device body 4 having the septic tank 10 for purifying bath water and a heater tank 12 for controlling the bath water to an arbitrary temp., a circulating pump 8 for circulating the bath water between the device body 4 and the bath tub 2 and water feed and discharge pipes 6, 7. At least a part of the circulating pump 8 is so installed as to exist below the bath water surface.
KINOSHITA NAOHISA
KATAYAMA NAOKI
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