NSF Product and Service Listings
These NSF Official Listings are current as of Friday, September 29, 2023 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.
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NSF/ANSI 42
Drinking Water Treatment Units - Aesthetic Effects
Drinking Water Treatment Units - Aesthetic Effects
A.O. Smith Corporation | |
11270 West Park Place | |
Milwaukee, WI 53224 | |
United States | |
414-359-4000 | |
Visit this company's website |
Facility : Zhongshan, China
Replacement | Service Cycle | Flow Rate | ||||
Brand Name / Trade Name / Model | Element | (gallons) | (gpm) | Claim | ||
Counter-Top Manual Fill [Pb] |
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AO-CWM | AO-US-100-R | 320 | .5(1) | Chlorine Reduction Chloramine Reduction Nominal Particulate Reduction, Class I Taste and Odor Reduction |
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  (1) Claims of capacity or rated service cycle are not applicable for mechanical filtration. [Pb] Product also evaluated and determined to possess weighted average lead content of <=0.25% and complies with lead content requirements for “lead free” plumbing as defined by California, Vermont, Maryland, and Louisiana state laws and the U.S. Safe Drinking Water Act. |
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Plumbed-In to Separate Tap [Pb] |
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AO-US-RO-4000[2] | AO-4000-CARBON | 365 | .8(1) | Chlorine Reduction Chloramine Reduction Nominal Particulate Reduction, Class I Taste and Odor Reduction |
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  (1) Claims of capacity or rated service cycle are not applicable for mechanical filtration. [2] Tested at a flow rate of 6.0 gpm to a capacity of 30,000 gallons for the reduction of Chlorine and Taste & Odor in a Paragon housing. [Pb] Product also evaluated and determined to possess weighted average lead content of <=0.25% and complies with lead content requirements for “lead free” plumbing as defined by California, Vermont, Maryland, and Louisiana state laws and the U.S. Safe Drinking Water Act. |
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