| 摘要 |
PROBLEM TO BE SOLVED: To provide a water level controller capable of stably and inexpensively controlling the water level of a water tank by a simple means. SOLUTION: The controller for controlling the water level of a water tank having a raw water supply pipe for charging raw water into the water tank and a means for discharging water from the water tank to the outside is provided with a means for branching the raw water supply pipe into two passages, water supply/stop control means arranged in each of the two passages, a water level detection means capable of detecting the water levels of three or more points in the water tank, and a device for controlling the water supply/stop control means on the basis of the water level information obtained by the water level detection means.
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