Water purifying and dispensing system

摘要: A vending or dispensing system for providing purified water in response to a customer request is described. The has reservoir tank containing first stage and provided with subsystem circulating from the through microbial sterilizer on at least periodic basis predetermined period of time maintain quality within tank. In one aspect, passed before entering as water. Additional features described insure purity include flushing rinsing lines between purification mechanism prior topping off water, control mechanisms ensuring that sump liquid cannot be suctioned back into system. mechanism, which there may more than one, include, but not limited to, an activated carbon filter, ion exchange resin bed, reverse osmosis (RO) filter like. such equipment multi-stage ultraviolet (UV) sterilizers. embodiment, entire operated by microcontroller user commands.