Historical
NSF/ANSI 29-2009
Detergent and Chemical Feeders for Commercial Spray-Type Dish washing Machines
This Standard covers chemical sanitizing feeders, detergent feeders, drying agent feeders, and similar devices that automatically maintain the concentration of additives in the prewash, wash, pumped rinse, or final rinse of commercial spray-type dishwashing machines. Equipment components and materials covered under other NSF or NSF/ANSI Standards or Criteria shall also conform to the requirements therein.
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NSF International [nsf]
NSF International [nsf]