Summary of Requirements s10

Subject No. / Page 4 of 5 / (action required letter date

February 13, 2007


The following is a brief summary of the new and revised paragraphs in the Standard for Special Purpose Food Equipment And Devices, NSF 169, which have a future Effective Date of September 3, 2007 and the action that may be required to determine compliance. As of October 31, 2005, NSF 169 supersedes NSF Criteria C-2, Special Purpose Food Equipment and/or Devices.

Paragraphs / General Subject and Comment
4.1 / Verify that materials conform to NSF 51, Food Equipment Materials.
4.2 (NEW) / Solder, if used in a food or splash zone, cannot contain lead as an intentionally added ingredient.
5.1.4 / Sanitizers recommended by the manufacturer, formerly required to conform with FDA regulations (21 CFR 178.1010), are now required to conform with EPA regulations (40 CFR 180.940).
5.1.5 (NEW) / Splash zone surfaces must be accessible and easily cleanable.
5.1.6 (NEW) / Nonfood zone surfaces must be accessible, with the exception of those nonfood zone surfaces covered by 5.1.7
5.1.7 (NEW) / Unexposed nonfood zone surfaces must be accessible or closed.
5.4.2 (NEW) / Permanent joints and seams in a nonfood zone must be closed (no greater than 1/32 in wide) or sealed.
5.4.4 (NEW) / If sealant is used to seal joints and seams, it may only be used for those joints and seams that are no greater than 1/8 in (3.2 mm) before sealing.
5.4.5 (NEW) / If equipment is designed and manufactured so that field joints will be created, the joints must be made sanitary in the field with the use of trim strips, welding, soldering, properly designed draw fastening, or other appropriate methods.
5.5.5 / If a fastener exposes threads in a nonfood zone, there can be no more than two and one-half exposed threads or ¼ in (6.4 mm) of exposed threads, whichever is less.
5.5.6 (NEW) / Sharp points of fasteners cannot be exposed.
5.6 (NEW) / Insulated space in the food or splash zone must be either sealed or likewise protected with the use of tight-fitting, readily removable plugs complying with zone-specific material requirements.
Insulated space in the nonfood zone must be either sealed or closed.
Insulation must be installed so as to prevent it from separating, settling, or becoming compacted under use conditions.
5.7.3 / Vertical channels of reinforcing and framing that form hollow section must be closed at each end, open at each end, or readily accessible along the entire channel, with all other hollow section (of reinforcing and framing) closed.
5.9.4 / Exposed edges of glass doors must be protected by tight fitting channels, stripping materials, or other means such as rounding the edges of tempered glass to protect against chipping. The glass must conform to the impact tests of either ANSI Z97.1 or ANSI/UL 197.
5.10.1 / Channel tracks that are door tracks or guides cannot have a depth greater than their width.
5.12.3 (NEW) / Hinges on splash zone doors and covers weighing less than 80 lbs (36 kg) must have no more than five knuckles in total per hinge set and have sealed joints and seams on the hinge body (except for seams at the pivot joint).
5.12.4 (NEW) / Hinges on splash zone doors and covers weighing less than 80 lb (36 kg) must conform to 5.12.3 or conform to each of the following:
1.  The hinge must be lift-off style or have a removable pin;
2.  The diameter of the hinge pin must be greater than or equal to 3/16 in (5.0 mm); and
3.  Mating surfaces of the hinge (such as the joint between a knuckle and leaf) must be closed or separated by at least 1/8 in (3.2 mm).
5.13.2 / If a cover has a slotted opening designed to allow serving utensils to remain in food, the slotted opening cannot be larger than 1-1/2 x 1 in (38 x 25 mm).
5.13.7 / All internal angles of roll covers, tilt, covers, and other similar covers that are less than 135o must have a minimum smooth radius of 1/8 in (3.2 mm). Solder may be used to effect the radius on the underside of a roll-type cover.
5.14 / If there is a space between a nosing and adjoining vertical surface, the space is at least ¾ in (19 mm) or at least 1/3 of the nosing’s vertical dimension, whichever is greater.
If the nosing is angled down and then back toward the vertical surface, verify that the return (horizontal) does not exceed ½ in (13 mm). The horizontal should also be angled downward at least 5o (knockdown shelving and readily removable shelving are exempt from these requirements).
5.19.4 (NEW) / If solid knock-down shelving is provided with a solid shelf, the seam between the leg and shelf must be equal to or above the flood level of the shelf. Also, if pressure cleaning is recommended for knock-down shelving, the joints and seams must be sealed or accessible for cleaning and capable of being completely drained.
5.20.2 / Door gaskets must be readily removable or removable.
5.20.3 (NEW) / Retaining grooves for readily removable gaskets must be easily cleanable.
5.20.4 / Fixed gaskets that are not readily removable are securely fastened and sealed to minimize accumulations of condensation, spillage, and foreign matter.
4.29 (DELETED) / Casters, rollers, and gliders, formerly covered by Criteria C-2 are now covered by NSF/ANSI 2, Food Equipment. Casters, rollers, gliders, and like products Classified to Criteria C-2 and catalogued in CCN VCZU should be transferred to NSF 2 and CCN TSQU.
5.17.1 (NEW) / Floor-mounted equipment must be:
  1. Portable;
  2. Mobile;
  3. Sealed to the floor;
  4. Elevated on legs providing a minimum 6.0 in (150 mm) unobstructed clearance beneath the unit; or
  5. Elevated on legs providing a minimum 4.0 in (100 mm) unobstructed clearance beneath the unit provided that no part of the floor under the equipment is more than 6.0 in (150 mm) from the point of cleaning access

5.17.2 (NEW) / Counter-mounted equipment must be:
  1. Portable;
  2. Sealed to the counter;
  3. Elevated on legs providing a minimum 4.0 in (100 mm) unobstructed clearance beneath the unit;
  4. Elevated on legs providing a minimum 3.0 in (75 mm) unobstructed clearance beneath the unit provided that no part of the counter top is more than 20 in (50 cm) from the point of cleaning access; or
  5. Elevated on legs providing a minimum 2.0 in (50 mm) unobstructed clearance beneath the unit provided that no part of the counter top is more than 3 in (75 mm) from the point of cleaning access

5.17.3 / Portable equipment cannot weigh more than 80 lb (36 kg) and cannot exceed 36 in (90 cm) in any plane.
5.17.4 (NEW) / Utility connections on portable and mobile equipment must be designed so that they can be disconnected without the use of tools, or so that the cord is of sufficient length to permit movement of the equipment for cleaning the space beneath.
5.17.5 (NEW) / Kick plates on floor-mounted equipment must be removable.
5.22 / Thermometers must conform to the requirements of NSF/ANSI 2, as applicable. Verify that any equipment requiring performance testing to maintain the proper temperature of potentially hazardous foods have been subjected to the needed test(s).
5.21.2 (NEW) / Light bulbs that have been plastic coated or otherwise treated to resist shattering must have a permanent label affixed near the bulb indicating that the lamp has been treated to resist shattering and must be replaced with a similarly treated lamp.
5.21.3 (NEW) / Glass, other than light fixtures, that may be subject to contact during use and routine maintenance and cleaning must conform to the impact test in ANSI Z97.1 or to the impact test within UL 197.
5.23.2 (NEW) / Water and waste piping and connections must comply with the International Plumbing Code 2003, International Code Council (ICC) or the Uniform Plumbing Code 2003, International Association of Plumbing and Mechanical Officials (IAPMO).
5.23.3 (NEW) / For equipment with waste lines, the waste lines must not drain into or through a food zone. (NEW) / Units intended to be connected to a water supply system under pressure shall have one of the following:
§  An air gap at least twice the diameter of the water supply inlet but not less than 1.0 in (25 mm);
§  A vacuum breaker that conforms to ANSI/ASSE 1001, Atmospheric Type Vacuum Breakers (for intermittent pressure conditions);
§  ANSI/ASSE 1020. Vacuum Breakers, Antisiphon, Pressure Type (for continuous pressure conditions);
§  A backflow prevention device that conforms to ANSI/ASSE 1022. Backflow Preventer for Carbonated Beverage Machines;
§  A backflow prevention device that conforms to ANSI/ASSE 1024. Dual Check Valve Type Backflow Preventers;
§  A backflow prevention device that conforms to ASSE 1032. Dual Check Valve Type Backflow Preventer for Carbonated Beverage Dispensers/ Post Mix Type; or
§  A statement in the installation instruction and on a label permanently affixed to the equipment that clearly indicates that the equipment is to be installed with adequate backflow protection to comply with applicable federal, state, and local codes. (NEW) / A screen of at least 100 mesh (minimum 100 strands per inch) must be installed immediately upstream of all check valve type backflow preventers used for water supply protection. The screen must be accessible and removable for cleaning or replacement.
Performance Testing / A number of products catalogued under CCN VCZU have been tested to the performance requirements of other standards. Any performance testing associated with the Classification of a product should be reviewed on a case-by-case basis to determine continued conformity with current test methods.