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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.

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Number of matching Products is 7
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