WASHING HOT WATER FILLING UNIT WITH REVERSE FLOW PREVENTION MECHANISM AND BATH HOT WATER-SUPPLY DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a washing hot water filling unit with a reverse flow prevention device capable of surely preventing reverse flow even if check valves fail, and a bath hot water-supply device.;SOLUTION: This washing hot water filling unit 10 is constituted such that the check valves 17 and 19 are installed in a clean water supply pipe 55. A revere flow prevention device 20 with an atmosphere opened valve 23 is installed on the clean water system side of the check valve. Since an automatic opening/closing valve 23 is opened to the atmosphere in a remaining hot water feeding mode for feeding remaining hot water from a bathtub 5 to a washing machine 3, when the check valves 17 and 19 fail, reversely flowing water can be drained through the valves.;COPYRIGHT: (C)2005,JPO&NCIPI