N.Y. Comp. Codes R. & Regs. tit. 9 § 1503.8
Current through Register Vol. 46, No. 50, December 11, 2024
New and existing sprinkler systems shall be maintained for sprinkler use only, and connections to such systems for any other purpose shall be prohibited, except that a house service water-supply connection may be tapped from the sprinkler water-supply connection to the water main, provided the house service tap is not more than one and one-fourth inches for a four-inch sprinkler connection to the main, and not more than two inches for a six-inch or larger sprinkler connection to the main. Where a connection for house service water supply is made to the sprinkler water supply such connection shall be made on the supply side of the check valve in the service main.
N.Y. Comp. Codes R. & Regs. Tit. 9 § 1503.8