N.Y. GBS Law § 322-C

§ 322-c. Gas space heating appliances to be equipped with back draft\ndiverters and automatic shutoff devices. On and after July first,\nnineteen hundred sixty-five it shall be unlawful to manufacture or\nassemble, or to sell or offer for sale, or to install, use or maintain\nin any building used or occupied as a residence, any space heating\nappliance using natural and/or manufactured gas fuel unless such\nappliance is equipped with (a) a back draft diverter with vents of\nsufficient capacity to permit the discharge of combustion gases away\nfrom the burning gas, except where such appliance (i) is provided with a\nsealed combustion chamber directly vented to the outside, or (ii) is\nlisted by an accredited third party agency as an unvented appliance in\ncompliance with American National Standard Z21.11.2 and meets or exceeds\nstandards established by rules and regulations promulgated, and which\nmay be periodically amended, by the department of health and approved by\nthe state fire prevention and building code council, and (b) an\nautomatic shutoff device to prevent the flow of gas if the flame or\npilot light, thereof is extinguished; provided, however, that nothing\ncontained herein shall be construed as repealing or in any manner\nlimiting, restricting or diminishing any power conferred by any\nprovision of law upon any city having a population of one million or\nmore, or any body, agency or officer thereof, to enact or adopt local\nlaws, ordinances, other local enactments or rules or regulations\nrelating in any manner to gas space heating appliances, so long as such\nlocal laws, ordinances, enactments, rules or regulations in so far as\nthe same relate to the subject matter of this section, are not less\nrestrictive than the provisions of this section. A violation of the\nprovisions of this section shall constitute a misdemeanor.\n