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// CODE SNIPPET

428.1 Prohibited Potable Water Uses

NYC Plumbing Code 2014 > 4 Fixtures, Faucets and Fixture Fittings > 428 Prohibited Water Uses > 428.1 Prohibited Potable Water Uses
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Potable water shall not be permitted for those uses prohibited by this section.

428.1.1 Potable Water Prohibited for Once Through Cooling

Potable water shall not be used for once-through cooling. Equipment such as ice making machines, walk-in coolers, refrigerated walk-in boxes, or air conditioning equipment shall be provided with air cooled condensers or recirculating condenser water systems, or supplied with non-potable as permitted by Appendix C of this code.

Exceptions:
  1. Once-through water-cooled ice making machines producing less than 500 pounds (227 kg) of ice per day at Standard Rating Conditions as specified in ARI 810.
  2. Once-through water-cooled ice making machines, walk-in coolers, refrigerated walk-in boxes or air conditioning equipment supplied with potable water through piping systems installed prior to January 1, 2011 and any subsequent replacements that use the same or lesser amount of potable water.

Related Code Sections


*428.1 Fixtures, Faucets and Fixture Fittings, Prohibited Potable Water Uses
Potable water shall not be permitted for those uses prohibited by this section ...
NYC Plumbing Code 2008 > 4 Fixtures, Faucets and Fixture Fittings > 428 Prohibited Water Uses > *428.1 Prohibited Potable Water Uses
428.1 Fixtures, Faucets and Fixture Fittings, Prohibited Potable Water Uses
Potable water shall not be permitted for those uses prohibited by this section ...
NYC Plumbing Code 2014 > 4 Fixtures, Faucets and Fixture Fittings > 428 Prohibited Water Uses > 428.1 Prohibited Potable Water Uses
§27-908 Plumbing and Gas Piping, Cross-Connection of Supplies and Identification
as potable shall be identified at each outlet with a warning sign stating that the water is unfit, and its use prohibited, for drinking purposes. Piping ...
NYC 1968 Code (Vol I) > 16 Plumbing and Gas Piping > 2 Water Supply Systems > §27-908 Cross-Connection of Supplies and Identification
Reference Standard 16 Plumbing and Gas Piping [PDF] (page 34)
Piping.-Piping that has been used for any purpose other than conveying water shall not be used for conveying potable water. *P107.13 Prohibited ...
NYC 1968 Code (Vol II) [PDF] > Reference Standard 16 Plumbing and Gas Piping
606.5.4.5.1 Water Supply and Distribution, Prohibited Materials
No water tank of any kind that is part of a building water supply system used for potable purposes shall be cleaned with any material or painted ...
NYC Plumbing Code 2014 > 6 Water Supply and Distribution > 606 Installation of the Building Water Distribution System > 606.5 Water Pressure Booster Systems > 606.5.4 Overflows > 606.5.4.5 Cleaning or Painting > 606.5.4.5.1 Prohibited Materials
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