Effective March 1, 2016

Standard Information
Standard Number:
NSF 3-2012
Standard Name:
Commercial Warewashing Equipment
Standard Edition and Issue Date:
NSF 3-2012, Dated August 8, 2012
Date of Revision:
August 8, 2012
Date of Previous Revisions to Standard:
NSF 3-2010, Dated November 2, 2010
Effective Date of New/Revised Requirements

Effective Date (see Schedule below): March 1, 2016

Impact, Overview, Fees and Action Required

Impact Statement: A review of all Listing Reports is necessary to determine which products comply with new/revised requirements and which products will require re-evaluation. NOTE: Effective immediately, this revised standard will be exclusively used for evaluation of new products unless the Applicant requests in writing that current requirements be used along with their understanding that their listings will be withdrawn on Effective Date noted above, unless the product is found to comply with new/revised requirements.

Overview of Changes: This particular NSF standard has recently undergone updates and those technical changes affecting existing certifications are attached. New product submittals will be required to evaluated and certified to these new/revised requirements (unless the Applicant requests in writing to use old requirements up to the Effective Date). Existing certification reports will need to be reviewed to confirm compliance with these new/revised requirements by the March 1, 2016 Effective Date. The new/revised requirements affect cleaning and sanitizing procedures. The new/revised requirements affect cleaning and sanitizing procedures Specific details of new/revised requirements are found in table below.

Client Action Required:

Information - To assist our Engineer with review of your Listing Reports, please submit technical information in response to the new/revised paragraphs noted in the attached or explain why these new/revised requirements do not apply to your product (s).

Current Listings Not Active? – Please immediately identify any current Listing Reports or products that are no longer active and should be removed from our records. We will do this at no charge as long as Intertek is notified in writing prior to the review of your reports.

Description of New/Revised Technical Requirements
5.15--Sanitizing rinse (revised wording underlined – only affects warewashing equipment with a post-sanitizing rinse) 
5.15.1 The water supply to a sanitizing rinse, post-sanitizing rinse and/or components of either shall be from a potable source and shall not contain recycled water from previous machine cycles. 
5.15.2 A water line strainer with a removable screen shall be provided upstream of any electrically operated solenoid control valve in the sanitizing rinse supply line and the post-sanitizing rinse supply line, when provided. 
5.15.3 (New) A hot water or chemical sanitizing dishmachine provided with a post sanitizing rinse system shall be provided with a method to allow the operator to deactivate the post sanitizing rinse without the use of tools. In addition, the machine shall be provided with a method of clearly indicating to the operator whether or not the post sanitizing rinse is activated. For chemical sanitizing machines, there shall be a marking on the machine that instructs the operator how to measure the chemical sanitizer concentration. 
6.2 Sanitization efficacy
NOTE – Warewashing machines that include an auxiliary rinse system shall meet the applicable performance tests of this section with the auxiliary rinse system operating as intended. Warewashing machines that include a post-sanitizing rinse shall meet the applicable performance tests of this section with the post-sanitizing rinse operating as intended and deactivated.

CUSTOMERS PLEASE NOTE: This Table and column "Verdict" can be used in determining how your current or future production is or will be in compliance with new/revised requirements.

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