NSF Product and Service Listings

These NSF Official Listings are current as of Tuesday, October 22, 2019 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/DWTU/Listings.asp?Standard=044&Company=C0423830&

Note: Certain claims, such as Arsenic (Pentavalent) Reduction, appear as active links, allowing you to access additional information regarding the specific contaminants.


NSF/ANSI 44
Cation Exchange Water Softeners



 
A. O. Smith Corporation 
11270 West Park Place
Milwaukee, WI 53224 
United States 
414-359-4290

Facility : Groveport, OH

  Flow Rate      
Brand Name / Trade Name / Model (gpm)   Claim    

Point-of-Entry [POE]
AO-WH-SOFT-350[1] 7.5   Barium Reduction
Efficiency Rated[ER]
Hardness Reduction[HR]
Radium 226/228 Reduction
   
AO-WH-SOFT-400T[1] 8   Barium Reduction
Efficiency Rated[ER]
Hardness Reduction[HR]
Radium 226/228 Reduction
   
AO-WH-SOFT-450T[1] 8   Barium Reduction
Efficiency Rated[ER]
Hardness Reduction[HR]
Radium 226/228 Reduction
   
AO-WH-SOFT-PRO-300[1] 9.1   Barium Reduction
Efficiency Rated[ER]
Hardness Reduction[HR]
Radium 226/228 Reduction
   
AO-WH-SOFT-PRO-500[1] 7   Barium Reduction
Efficiency Rated[ER]
Hardness Reduction[HR]
Radium 226/228 Reduction
   
AOW-S400[1] 7.5   Barium Reduction
Efficiency Rated[ER]
Hardness Reduction[HR]
Radium 226/228 Reduction
   
AOW-S500[1] 7   Barium Reduction
Efficiency Rated[ER]
Hardness Reduction[HR]
Radium 226/228 Reduction
   

   
[1] Product evaluated and determined to comply with efficiency rating requirements defined by
[ER] Softener Efficiency indicates that the softener achieves a minimum of 3,350 grains of
     hardness removed per pound of regenerant salt (477 grams of hardness removed per
     kilogram of regenerant salt), and also that it uses 5 gallons or less of regenerant
     water per 1,000 grains of hardness removed (18.9 liters or less of regenerant water per
     64.8 grams of hardness removed).
[HR] Hardness Reduction indicates that the published capacity ratings for reducing hardness
     have been verified.
[POE] Product conforms to NSF/ANSI/CAN 61 health effects requirements.


Number of matching Manufacturers is 1
Number of matching Products is 7
Processing time was 0 seconds