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Abstract

A reverse osmosis water purification system is provided for removing contaminants from a tap water supply or the like, to produce a relatively purified water supply. The system includes a header manifold formed as a unitary component and adapted to receive and support a plurality of removable cylindrical canisters having a reverse osmosis cartridge and associated filter cartridges installed therein. The manifold is formed with a main gallery passage which is subdivided into a succession of bores of progressively increasing diametric size, with adjacent bores being separated by transition segments of uniform thread pitch. Appropriate threading plugs and/or check valves and the like are installed along the gallery passage to regulate water flow in series through the reverse osmosis and filter cartridges to separate the tap water supply into the relatively purified water supply and a reject water supply having impurities concentrated therein. The manifold further connects the purified water supply to an appropriate storage vessel and/or for dispensing via a faucet valve or the like, and discharges the reject water supply to a drain. Each of the cylindrical canisters is easily removed from the manifold to facilitate periodic replacement of the reverse osmosis or filter cartridges contained therein.

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First Claim