Patent ID: 7578416

Claim:
A laboratory water purification apparatus for accurately dispensing purified laboratory water having an inlet and an outlet, and at least one water purification means thereinbetween, wherein the outlet includes at least a first water release valve and a second water release valve, the first water release valve being operable at a first flow rate to dispense purified water, and the second water release valve being operable at a second flow rate to dispense purified water, the first flow rate differing from the second flow rate, the first water release valve and the second water release valve being connected to a common purified water feed that is connected to the at least one purification means, the common feed for supplying said purified water from the at least one purification means to the first and second water release valves; wherein the first water release valve and second water release valve combine their flows prior to dispense of a flow of said purified water from the outlet; wherein at least one water release valve is operable at a relatively slow flow rate and at least one other water release valve is operable at a relatively fast flow rate.