| 摘要 |
PROBLEM TO BE SOLVED: To prevent piping loss and lengthen the life of a pump motor by laterally disposing a motor type water suction pump in the rear of a top cover, providing a discharge water communicating passage directed to the upper part of the top cover in a hose connecting port of a bathtub water supply opening, and switching to city water supply when water suction is disabled even after the lapse of fixed time. SOLUTION: A back panel 25 is fitted to a top cover 1, and a bathtub water suction pump 26 is laterally interposed through a vibration proof rubber between the top cover 1 and a back panel 25. A check valve is provided in an outlet of the bathtub water suction opening 26a of the pump 26, and the upper end face of the bathtub water suction opening 26a is made higher than the lower surface of a bathtub water discharge opening. A power supply switch is turned on, and when a current above designated ampere flows, a lock current is taken to flow, the motor is turned off, and a city water supply solenoid valve is opened to supply city water. By this arrangement, the piping length can be shortened, and moisture resistance of the pump 26 can be improved. |
