BATHTUB CLEANING DEVICE

摘要

PURPOSE:To reduce cost, to simplify a pipeline and to miniaturize the bath cleaning device by carrying out circulation and jetting with a common jetting and circulating pump. CONSTITUTION:The suction port 2 and discharge port 3 provided to a bathtub 1 are connected through a circulating passage 4. A jetting and circulating pump 5 consisting of an inverter pump, a sand filter tank 6 and a biological filter tank 7 are successively provided to the circulating passage 4 in series. The pump 5 and the filter tank 6 and the biological filter tank 7 and the discharge port 3 are respectively connected through a jet connecting passage 8. A switching valve 9 is furnished to supply hot water to the passage 8 or to stop the supply.