NSF certified parts that meet all applicable NSF certification requirements and are manufactured on or before September 30, 2019, will be considered “NSF certified” for the lifetime of the part. Manufacturers of NSF certified parts may continue selling existing inventories of NSF certified parts after September 30, 2019, as long as the parts meet all requirements and were manufactured on or before September 30, 2019. Parts manufactured after September 30, 2019, are not certified nor eligible to be certified. Any use of a sticker bearing the NSF mark on parts manufactured after September 30, 2019, is prohibited and such marked parts are not certified.
NSF certified distributors, repair shops and recyclers that meet all requirements of certification will remain certified through September 30, 2019. After that time, they must discontinue use of the NSF certification mark in advertisements and marketing material.