Patent ID: 7351329

Claim:
In a potable water station containing drinking water from a public drinking water supply where the potable water station is connected to the public drinking water supply through a water inlet valve, the improvement comprising: a system for sanitizing the potable water station using the drinking water contained therein, the system comprising: a pair of conduits for selectively providing fluid connections between the potable water station and the sanitizing system; a pump for continuously circulating the drinking water contained in the potable water station to and from the sanitizing system through the pair of conduits when the water inlet valve to the public drinking water supply is closed; an ozone generator for injecting ozone into the drinking water to sanitize the potable water station as the drinking water contained in the potable water station is being circulated by the pump to and from the potable water station; a tank for temporarily storing ozone injected drinking water following operation of the pump and opening of the water inlet valve to flush and refill the potable water station with drinking water from the public drinking water supply; and a drain valve connected to the tank for draining ozone injected drinking water temporarily stored in the tank after the potable water station has been sanitized, flushed and refilled with drinking water from the city water supply.