| 摘要 |
PROBLEM TO BE SOLVED: To provide a water flow switch capable of preventing waste such as hair from sticking to a detection piece. SOLUTION: This water flow switch 10 is installed in an intermediate part between a bathtub and a heat exchanger in a reheating circuit for reheating water once supplied into a bath, and detects presence of a water flow in the circuit. The water flow switch 10 is provided with a detection chamber 12 by hollowing out its inside, and provided with the detection piece 15 rocked by the water flow introduced into the detection chamber 12. Since the detection piece 15 of the flow switch 10 is formed into a shape gradually reducing its width as it approaches to the tip side, waste such as hair can be prevented from sticking to the detection piece 15. COPYRIGHT: (C)2005,JPO&NCIPI
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