Importance

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Abstract

A water purification system includes cooling apparatus for reducing the temperature of purified water produced by the system. The purification system includes, for example, a reverse osmosis unit for producing a supply of purified water by removal of impurities from standard tap water, wherein the purified water is stored within a reservoir tank ready for use. The cooling apparatus comprises a thermoelectric heat transfer module adapted to transfer thermal energy from a cold side to a hot side of the module. The module is mounted on the reservoir tank with its cold side in thermal communication with the stored purified water to extract heat energy therefrom. The hot side of the thermoelectric module is thermally communicated with a system water flow particularly such as a flow of waste water produced by the reverse osmosis unit, or the tap water flow, wherein this system flow provides a compact heat sink carrying heat energy away from the module to provide efficient cooling of the purified water supply.

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First Claim