Series 315, 415 & 525 Standard Cartridge Systems are residential reverse osmosis systems that use industry standard cartridges. They have 50 GPD or greater thin film membrane (made in USA), clog free brine control, and Quick-Connect fittings on inlet and outlet ports. They feature high flow faucet plumbing (3/8 post filter and 3/8 tubing to faucet) and built-in booster pumps with choice of 110 or 220 volt systems (W-525P systems only). Inlet water fitting is adaptable to use with 3/8 compression or 1/2 compression fittings. Installation kit is included, and many faucet options are available.

Reverse Osmosis system

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:

-E Flat Slap Model Option available. If you need options not listed here, please contact us to get pricing and availability.Please choose -E if you need the Flat Slab Option. "Configured Base Price" is for the Standard 0728 [None]. There is an additional cost for the -E [For Flat Slab Lavatories - 0728 ] option noted in the option selections.*Please check product information and specification sheets, or give us a call if you need help selecting your product or parts before you order.*Products are subject to availability as they are dependent on configurations ordered. With the many product configurations, we do not show stock on our website. Availability will need to be verified upon order or you may contact us to check stock prior to ordering. Some configurations may need to ship from the factory and lead times may vary.*Our listings contain the most common or recommended product selections and not all products and options will be listed. If you do not see a Product, Option, or need parts, please contact us to help in placing the order for the product you need and to get pricing and availability.

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