| abstract |
A fill valve control system for toilet storage tanks, for preventing continued flow from a water supply thereto as a result of a flush valve leak or a tank leak, wherein the fill valve is responsive to a water level in a separate reservoir filled by a full level of storage tank water to shut OFF said fill valve, there being a syphon from the reservoir and responsive to flushing water from the storage tank to empty said reservoir to turn ON said fill valve, there being a flood prevention means that refills the reservoir in the event of a system failure, and there being a restart means to empty the reservoir for initiating normal operation of the system. |