Specific Appliances and Equipment

NYC Admin. Code tit. 28, ch. 8, art. 801, ch. 9

in effect

NYC Mechanical Code § MC 901 General

Section MC 901: General 901.1 Scope. This chapter shall govern the approval, design, installation, construction, maintenance, alteration and repair of the appliances and equipment specifically identified herein and factory-built fireplaces. The approval, design, installation, construction, maintenance, alteration and repair of gas-fired appliances shall be regulated by the New York City Fuel Gas Code. 901.2 General. The requirements of this chapter shall apply to the mechanical equipment and appliances regulated by this chapter, in addition to the other requirements of this code, and installed in accordance with the requirements of NFPA 31, NFPA 54 and NFPA 211. 901.3 Solid fuel-burning fireplaces and appliances. All solid fuel-burning fireplaces and appliances shall be installed, altered and maintained in buildings in conformity with the applicable provisions of the New York City Air Pollution Control Code and no new solid fuel-burning fireplaces or appliances shall be permitted except those that burn the types of fuel allowed by such code. (L.L. 2015/038, 5/6/2015, eff. 5/6/2016) 901.4 Hazardous locations. Fireplaces and solid fuel-burning appliances shall not be installed in hazardous locations. (Am. L.L. 2015/038, 5/6/2015, eff. 5/6/2016) 901.5 Inspection of solid fuel-burning heating appliances, chimneys and flues. Inspections of solid fuel burning heating appliances, chimneys and flues shall be in accordance with the New York City Building Code. (Am. L.L. 2015/038, 5/6/2015, eff. 5/6/2016) 901.6 Fireplaces. Fireplaces (solid-fuel-type or ANSI Z21.50) shall be installed with tight-fitting noncombustible fireplace doors to control infiltration losses in construction types listed here: 1. Masonry or factory-built fireplaces designed to allow an open burn. 2. Decorative appliances (ANSI Z21.60 gas-log style unit) installed in a vented solid fuel fireplace. 3. Vented decorative gas fireplace appliances (ANSI Z21.50 unit). Fireplaces shall be provided with a source of combustion air as required by the fireplace construction provisions of the New York City Building Code and Chapter 7 of this code. (Am. L.L. 2015/038, 5/6/2015, eff. 5/6/2016)

NYC Mechanical Code § MC 902 Masonry Fireplaces

Section MC 902: Masonry Fireplaces 902.1 General. Masonry fireplaces shall be constructed in accordance with the New York City Building Code. 902.2 Fireplace accessories. Listed and labeled fireplace accessories shall be installed in accordance with the conditions of the listing and the manufacturer's instructions. Fireplace accessories shall comply with UL 907.

NYC Mechanical Code § MC 903 Factory-Built Fireplaces

Section MC 903: Factory-Built Fireplaces 903.1 General. Factory-built fireplaces shall be listed and labeled and shall be installed in accordance with the conditions of the listing. Factory-built fireplaces shall be tested in accordance with UL 127. 903.2 Hearth extensions. Hearth extensions of approved factory-built fireplaces shall be installed in accordance with the listing of the fireplace. The hearth extension shall be readily distinguishable from the surrounding floor area. Listed and labeled hearth extensions shall comply with UL 1618. 903.3 Unvented gas log heaters. The installation of unvented gas fired space heaters, gas stoves, gas logs, gas fireplaces and gas fireplace inserts is prohibited. 903.4 Gasketed fireplace doors. A gasketed fireplace door shall not be installed on a factory-built fireplace except where the fireplace system has been specifically tested, listed and labeled for such use in accordance with UL 127. 903.5 Flues. Separate flues shall be provided for every fireplace and fireplace stove. 903.6 Combustion air supply. All installations of factory-built fireplaces shall comply with the requirements of the New York City Energy Conservation Code concerning combustion air supply. Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2009/085.

NYC Mechanical Code § MC 904 Pellet Fuel-Burning Appliances

Section MC 904: Pellet Fuel-Burning Appliances 904.1 General. Pellet fuel-burning appliances shall be listed and labeled in accordance with ASTM E 1509 and shall be installed in accordance with the terms of the listing. If permitted, such appliances shall be operated in accordance with the New York City Air Pollution Control Code.

NYC Mechanical Code § MC 905 Fireplace Stoves and Room Heaters

Section MC 905: Fireplace Stoves and Room Heaters 905.1 General. Fireplace stoves and solid-fuel-type room heaters shall be listed and labeled and shall be installed in accordance with the conditions of the listing. Fireplace stoves shall be tested in accordance with UL 737. Solid-fuel-type room heaters shall be tested in accordance with UL 1482. Fireplace inserts intended for installation in fireplaces shall be listed and labeled in accordance with the requirements of UL 1482 and shall be installed in accordance with the manufacturer's instructions. 905.2 Connection to fireplace. The connection of solid fuel appliances to chimney flues serving fireplaces shall comply with Sections 801.7 and 801.10. 905.3 Hearth extensions. Hearth extensions for fireplace stoves shall be installed in accordance with the listing of the fireplace stove. The hearth extension shall be readily distinguishable from the surrounding floor area. Listed and labeled hearth extensions shall comply with UL 1618. 905.4 Air pollution. All fireplace stoves and room heaters shall comply with the requirements of the New York City Air Pollution Control Code. 905.5 Combustion air supply. All fireplace stoves and room heaters shall comply with the requirements of the New York City Energy Conservation Code concerning combustion air supply. Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2009/085. 905.6 Flues. Separate flues and independent combustion air source shall be provided for every fireplace stove and room heater. Combustion air shall be provided in accordance with the manufacturer's recommendations and Chapter 7.

NYC Mechanical Code § MC 906 Factory-Built Barbecue Appliances

Section MC 906: Factory-Built Barbecue Appliances 906.1 General. Factory-built barbecue appliances shall be listed and labeled for the use intended and shall be installed in accordance with the manufacturer's instructions, this chapter, the New York City Fuel Gas Code, and Chapters 3, 5, 7, 8 of this code. The construction and installation of chimneys serving barbeque appliances shall comply with all construction and installation requirements of fireplaces. (Am. L.L. 2023/077, 6/11/2023, eff. 6/11/2023) Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2023/077.

NYC Mechanical Code § MC 907 Incinerators and Crematories

Section MC 907: Incinerators and Crematories 907.1 General. Incinerators and crematories shall be listed and labeled in accordance with UL 791 and NFPA 82 and shall be installed in accordance with the manufacturer's instructions. 907.2 Compliance. All incinerators and crematories shall be installed, altered and maintained in buildings in conformity with the applicable provisions of the Administrative Code and the New York City Air Pollution Control Code.

NYC Mechanical Code § MC 908 Cooling Towers, Evaporative Condensers and Fluid Coolers

Section MC 908: Cooling Towers, Evaporative Condensers and Fluid Coolers 908.1 General. A cooling tower used in conjunction with an air-conditioning appliance shall be installed in accordance with the manufacturer's instructions. 908.2 Access. Cooling towers, evaporative condensers and fluid coolers shall be provided with ready access. 908.3 Location. Cooling towers, evaporative condensers and fluid coolers shall be located to prevent the discharge vapor plumes from entering occupied spaces. Plume discharges shall be not less than 5 feet (1524 mm) above or 20 feet (6096 mm) away from any ventilation inlet to a building. Location on the property shall be as required for buildings in accordance with the New York City Building Code. 908.3.1 Indoor. Cooling towers, evaporative condensers and fluid coolers located inside of buildings shall be constructed of noncombustible materials including fill and drift eliminators. 908.3.2 Outside. Cooling towers shall be constructed of noncombustible materials. Exceptions: 1. Fill and drift eliminators of limited combustible materials may be considered noncombustible if the cooling towers are provided with automatic sprinkler protection in compliance with Chapter 9 of the New York City Building Code. 2. Fill and drift eliminators for any individual cooling tower cell may be made of limited combustible materials provided all the following conditions are met: 2.1. The cooling tower is located on a building of construction Types IA or IB of the New York City Building Code. 2.2. The cooling tower cell is located at least 30 feet (9144 mm) away from windows or fresh air intakes which are at an elevation above the roof on which the cooling tower is located, whether in the same building or in an adjoining building. 2.3. The cooling tower cell is located not less than 15 feet (4572 mm) from the lot line. 2.4. The cooling tower cell is located not less than 10 feet (3048 mm) from any chimney, except that the distance shall not be less than 20 feet (6096 mm) from a chimney venting products of combustion other than from gas- or oil-fired appliances, whether on the same or an adjoining building. 908.4 Support and anchorage. Supports for cooling towers, evaporative condensers and fluid coolers shall be designed in accordance with the New York City Building Code. Seismic restraints shall be as required by the New York City Building Code. Adequate vibration isolation shall be provided in accordance with the manufacturer's guidelines and as required for the supporting structure, and in accordance with Sections 313.3.7 and 313.3.8. 908.5 Water supply. Cooling towers, evaporative condensers and fluid coolers shall be provided with an approved water supply, sized for peak demand. The quality of water shall be provided in accordance with the equipment manufacturer's recommendations. The piping system and protection of the potable water supply system shall be installed as required by the New York City Plumbing Code. 908.6 Drainage. Drains, overflows and blowdown provisions shall be indirectly connected to an approved disposal location. Discharge of chemical waste shall be approved by the appropriate regulatory authority. 908.7 Refrigerants and hazardous fluids. Heat exchange equipment that contains a refrigerant and that is part of a closed refrigeration system shall comply with Chapter 11. Heat exchange equipment containing heat transfer fluids which are combustible or hazardous shall comply with the New York City Fire Code. Flammable heat transfer fluids are prohibited. 908.8 Cooling towers. Cooling towers, both open circuit and closed circuit type, and evaporative condensers shall comply with Sections 908.8.1 and 908.8.2. 908.8.1 Conductivity or flow-based control of cycles of concentration. Cooling towers and evaporative condensers shall include controls that automate system bleed based on conductivity, fraction of metered makeup volume, metered bleed volume, recirculating pump run time or bleed time. 908.8.2 Drift eliminators. Cooling towers and evaporative condensers shall be equipped with drift eliminators that have a maximum drift rate of 0.005 percent of the circulated water flow rate as established in the equipment's design specifications. 908.9 Additional requirements. The installation and maintenance of all cooling towers, evaporative condensers, and fluid coolers shall comply with the requirements of Article 317 of Chapter 3 of Title 28 of the Administrative Code. (Am. L.L. 2023/077, 6/11/2023, eff. 6/11/2023) Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2023/077.

NYC Mechanical Code § MC 909 Vented Wall Furnaces

Section MC 909: Vented Wall Furnaces 909.1 General. Vented wall furnaces shall be installed in accordance with their listing and the manufacturer's instructions. Oil-fired furnaces shall be tested in accordance with UL 730. 909.2 Location. Vented wall furnaces shall be located so as not to cause a fire hazard to walls, floors, combustible furnishings or doors. Vented wall furnaces installed between bathrooms and adjoining rooms shall not circulate air from bathrooms to other parts of the building. 909.3 Door swing. Vented wall furnaces shall be located so that a door cannot swing within 12 inches (304.8 mm) of an air inlet or air outlet of such furnace measured at right angles to the opening. Doorstops or door closers shall not be installed to obtain this clearance. 909.4 Ducts prohibited. Ducts shall not be attached to wall furnaces. Casing extension boots shall not be installed unless listed as part of the appliance. 909.5 Manual shutoff valve. A manual shutoff valve shall be installed ahead of all controls. 909.6 Access. Vented wall furnaces shall be provided with access for cleaning of heating surfaces, removal of burners, replacement of sections, motors, controls, filters and other working parts, and for adjustments and lubrication of parts requiring such attention. Panels, grilles and access doors that must be removed for normal servicing operations shall not be attached to the building construction.

NYC Mechanical Code § MC 910 Floor Furnaces

Section MC 910: Floor Furnaces 910.1 General. Floor furnaces shall be installed in accordance with their listing and the manufacturer's instructions. Oil-fired furnaces shall be tested in accordance with UL 729. Unvented floor furnaces are prohibited. 910.2 Placement. Floor furnaces shall not be installed in any corridor, in the floor of any aisle or passageway of any auditorium, public hall, place of assembly, or in any egress element from any such room or space. With the exception of wall register models, a floor furnace shall not be placed closer than 6 inches (152.4 mm) to the nearest wall, and wall register models shall not be placed closer than 6 inches (152.4 mm) to a corner. The furnace shall be placed such that a drapery or similar combustible object will not be nearer than 12 inches (304.8 mm) to any portion of the register of the furnace. Floor furnaces shall not be installed in concrete floor construction built on grade. The controlling thermostat for a floor furnace shall be located within the same room or space as the floor furnace or shall be located in an adjacent room or space that is permanently open to the room or space containing the floor furnace. Floor furnaces shall be located so as to be accessible. Floor furnaces shall be installed only in floors of noncombustible construction having at least a 2-hour fire rating, except as where required for one- and two-family dwellings. 910.3 Bracing. The floor around the furnace shall be braced and headed with a support framework design in accordance with the New York City Building Code. 910.4 Clearance. The lowest portion of the floor furnace shall have not less than a 6-inch (152.4 mm) clearance from the grade level; except where the lower 6-inch (152.4 mm) portion of the floor furnace is sealed by the manufacturer to prevent entrance of water, the minimum clearance shall be reduced to not less than 2 inches (50.8 mm). Where these clearances are not present, the ground below and to the sides shall be excavated to form a pit under the furnace so that the required clearance is provided beneath the lowest portion of the furnace. A 12-inch (304.8 mm) minimum clearance shall be provided on all sides except the control side, which shall have an 18-inch (457.2 mm) minimum clearance. 910.5 Enclosures. Enclosures of floor furnaces shall be constructed entirely of noncombustible materials with a fire-resistance rating of at least 1 hour and shall be provided with adequate outdoor air to ensure proper combustion. The enclosure shall be provided with adequate means of access for servicing the furnace. 910.6 Duct temperature. The outlet duct temperature of warm air heating furnaces shall not be greater than 250°F (121.1°C). 910.7 One- and two- family dwellings. Floor furnace enclosures shall be constructed of noncombustible materials with a fire-resistance rating of at least 1 hour. Means shall be provided for supporting the furnace when the grille is removed. Clearances shall be provided as per NFPA 54.

NYC Mechanical Code § MC 911 Duct Furnaces and Heaters

Section MC 911: Duct Furnaces and Heaters 911.1 General. Duct furnaces and heaters shall be installed in accordance with the manufacturer's instructions. Electric furnaces and duct heaters shall comply with UL 1995 or UL 1996, as applicable. Unvented fuel-fired duct furnaces are prohibited. 911.2 Access panels. Ducts connected to duct furnaces shall have removable access panels on both the upstream and downstream sides of the furnace. 911.3 Location of draft hood and controls. The controls, combustion air inlets and draft hoods for duct furnaces shall be located outside of the ducts. The draft hood shall be located in the same enclosure from which combustion air is taken. 911.4 Circulating air. Where a duct furnace is installed so that supply ducts convey air to areas outside the space containing the furnace, the return air shall also be conveyed by a duct(s) sealed to the furnace casing and terminating outside the space containing the furnace. The duct furnace shall be installed on the positive pressure side of the circulating air blower. 911.5 Duct Temperature. The outlet duct temperature of duct furnaces shall not be greater than 250°F (121.1°C).

NYC Mechanical Code § MC 912 Infrared Radiant Heaters

Section MC 912: Infrared Radiant Heaters 912.1 General. Electric infrared radiant heaters shall comply with UL 499. 912.2 Support. Infrared radiant heaters shall be fixed in a position independent of fuel and electric supply lines. Hangers and brackets shall be noncombustible material. 912.3 Clearances. Heaters shall be installed with clearances from combustible material in accordance with the manufacturer's instructions.

NYC Mechanical Code § MC 913 Clothes Dryers

Section MC 913: Clothes Dryers 913.1 General. Clothes dryers shall be installed in accordance with the manufacturer's instructions and shall comply with the following as applicable: 1. Electric commercial clothes dryers shall be tested in accordance with UL 1240. 2. Electric residential clothes dryers shall be tested in accordance with UL 2158. 3. Electric coin-, ticket-, or card-operated clothes dryers shall be tested in accordance with UL 2158. 913.2 Exhaust required. Clothes dryers shall be exhausted in accordance with Section 504. Exception: Electric clothes dryers provided with a condensate drain. Spaces containing such dryers shall be provided with transfer air openings or other approved means to provide adequate air exchanges with adjacent spaces. 913.3 Clearances. Clothes dryers shall be installed with clearance to combustibles in accordance with the manufacturer's instructions.

NYC Mechanical Code § MC 914 Sauna Heaters

Section MC 914: Sauna Heaters 914.1 Location and protection. Sauna heaters shall be located so as to minimize the possibility of accidental contact by a person in the room. 914.1.1 Guards. Sauna heaters shall be protected from accidental contact by an approved guard or barrier of material having a low coefficient of thermal conductivity. The guard shall not substantially affect the transfer of heat from the heater to the room. 914.2 Installation. Sauna heaters shall be listed and labeled in accordance with UL 875 and shall be installed in accordance with their listing and the manufacturer's instructions. 914.3 Access. Panels, grilles and access doors that are required to be removed for normal servicing operations shall not be attached to the building. 914.4 Heat and time controls. Sauna heaters shall be equipped with a thermostat that will limit room temperature to 194°F (90°C). If the thermostat is not an integral part of the sauna heater, the heat-sensing element shall be located within 6 inches (152.4 mm) of the ceiling. If the heat-sensing element is a capillary tube and bulb, the assembly shall be attached to the wall or other support, and shall be protected against physical damage. 914.4.1 Timers. A timer, if provided to control main burner operation, shall have a maximum operating time of 1 hour. The control for the timer shall be located outside the sauna room. 914.5 Sauna room. A ventilation opening into the sauna room shall be provided. The opening shall be not less than 4 inches by 8 inches (101.6 mm by 203.2 mm) located near the top of the door into the sauna room. 914.5.1 Warning notice. The following permanent notice, constructed of approved material, shall be mechanically attached to the sauna room on the outside: WARNING: DO NOT EXCEED 30 MINUTES IN SAUNA. EXCESSIVE EXPOSURE CAN BE HARMFUL TO HEALTH. ANY PERSON WITH POOR HEALTH SHOULD CONSULT A PHYSICIAN BEFORE USING SAUNA. The words shall contrast with the background and the wording shall be in letters not less than 1/4-inch (6.4 mm) high. Exception: This section shall not apply to one- and two-family dwellings.

NYC Mechanical Code § MC 915 Engine and Gas Turbine-Powered Equipment and Appliances

Section MC 915: Engine and Gas Turbine-Powered Equipment and Appliances 915.1 General. The installation of liquid-fueled stationary internal combustion engines and gas turbines, including combustion air, exhaust, fuel storage and piping, shall meet the requirements of NFPA 37 and Chapters 7, 8, and 13 of this code. Stationary engine generator assemblies shall meet the requirements of UL 2200. 915.2 Powered equipment and appliances. Permanently installed equipment and appliances powered by internal combustion engines and turbines shall be installed in accordance with the manufacturer's instructions and NFPA 37.

NYC Mechanical Code § MC 916 Pool and Spa Heaters

Section MC 916: Pool and Spa Heaters 916.1 General. Pool and spa heaters shall be installed in accordance with the manufacturer's instructions. Oil-fired pool and spa heaters shall be tested in accordance with UL 726. Electric pool and spa heaters shall be tested in accordance with UL 1261.

NYC Mechanical Code § MC 917 Cooking Appliances

Section MC 917: Cooking Appliances 917.1 Cooking appliances. Cooking appliances that are designed for permanent installation, including ranges, ovens, stoves, broilers, grills, fryers and griddles shall be listed, labeled and installed in accordance with the manufacturer's instructions. Oil-fired cooking appliances are prohibited. Commercial electric cooking appliances shall be listed and labeled in accordance with UL 197. Household electric ranges shall be listed and labeled in accordance with UL 858. Microwave cooking appliances shall be listed and labeled in accordance with UL 923. Oil-burning stoves shall be listed and labeled in accordance with UL 896. Solid-fuel-fired ovens shall be listed and labeled in accordance with UL 2162. 917.2 Prohibited location. Cooking appliances designed, tested, listed and labeled for use in commercial occupancies shall not be installed within dwelling units or within any area where domestic cooking operations occur. 917.3 Domestic appliances. Cooking appliances installed within dwelling units and within areas where domestic cooking operations occur shall be listed and labeled as household-type appliances for domestic use. 917.4 Domestic range installation. Domestic ranges installed on combustible floors shall be set on their own bases or legs and shall be installed with clearances of not less than that shown on the label. 917.5 Open-top broiler unit hoods. A ventilating hood shall be provided above a domestic open-top broiler unit, unless otherwise listed for forced down draft ventilation. 917.5.1 Clearances. A minimum clearance of 24 inches (609.6 mm) shall be maintained between the cooking top and combustible material above the hood. The hood shall be at least as wide as the open-top broiler unit and be centered over the unit. 917.6 Commercial cooking appliance venting. Commercial cooking appliances, other than those exempted by Section 501.8 of the New York City Fuel Gas Code, shall be vented by connecting the appliance to a vent or chimney in accordance with this code and the appliance manufacturer's instructions or the appliance shall be vented in accordance with Section 505.1.1 of the New York City Fuel Gas Code. 917.7 Domestic ventilation. When a hood is required for proper ventilation of a domestic cooking appliance, the exhaust and make-up air systems shall be properly engineered and designed in accordance with Chapter 5.

NYC Mechanical Code § MC 918 Forced-Air Warm-Air Furnaces

Section MC 918: Forced-Air Warm-Air Furnaces 918.1 Forced-air furnaces. Oil-fired furnaces shall be tested in accordance with UL 727. Electric furnaces shall be tested in accordance with UL 1995. Solid fuel furnaces shall be tested in accordance with UL 391. Forced-air furnaces shall be installed in accordance with the listings and the manufacturer's instructions. Forced-air warm-air furnaces shall be installed in accordance with the requirements of NFPA 31 and the New York City Fuel Gas Code. Unvented fuel-fired furnaces are prohibited. 918.2 Heat pumps. Electric heat pumps shall be tested in accordance with UL 1995 or UL 60335-2-40. 918.3 Dampers. Volume dampers shall not be placed in the air inlet to a furnace in a manner that will reduce the required air to the furnace. 918.4 Circulating air ducts for forced-air warm-air furnaces. Circulating air for fuel-burning, forced-air-type, warm-air furnaces shall be conducted into the blower housing from outside the furnace enclosure by continuous air-tight ducts. 918.5 Outdoor and return air openings. Outdoor intake openings shall be located in accordance with Section 401.4. Return air openings shall be located in accordance with Section 618.4 of the New York City Fuel Gas Code. 918.6 Outdoor opening protection. Outdoor air intake openings shall be protected in accordance with Section 401.5.

NYC Mechanical Code § MC 919 Conversion Burners

Section MC 919: Conversion Burners 919.1 Conversion burners. The installation of conversion burners shall conform to ANSI Z21.8 and the applicable requirements of Chapter 10 of this code.

NYC Mechanical Code § MC 920 Unit Heaters

Section MC 920: Unit Heaters 920.1 General. Unit heaters shall be installed in accordance with the listing and the manufacturer's instructions. Oil-fired unit heaters shall be tested in accordance with UL 731. 920.2 Support. Suspended-type unit heaters shall be supported by elements that are designed and constructed to accommodate the weight and dynamic loads. Hangers and brackets shall be of noncombustible material. Suspended-type oil-fired unit heaters shall be installed in accordance with NFPA 31. 920.3 Ductwork. A unit heater shall not be attached to a warm-air duct system unless listed for such installation.

NYC Mechanical Code § MC 921 Vented Room Heaters

Section MC 921: Vented Room Heaters 921.1 General. Vented room heaters shall be listed and labeled and shall be installed in accordance with the conditions of the listing and the manufacturer's instructions.

NYC Mechanical Code § MC 922 Kerosene and Oil-Fired Stoves

Section MC 922: Kerosene and Oil-Fired Stoves 922.1 General. The installation of kerosene and oil-fired stoves is prohibited.

NYC Mechanical Code § MC 923 Ceramic Kilns

Section MC 923: Ceramic Kilns 923.1 General. Kilns shall be listed and labeled unless otherwise approved in accordance with Section 105.1 Electric kilns shall comply with UL 499. The approval of unlisted appliances in accordance with Section 105.1 shall be based on approved engineering evaluation. 923.1.1 Installation. Kilns shall be installed in accordance with the manufacturer's instructions and the provisions of this code.

NYC Mechanical Code § MC 924 Stationary Fuel Cell Power Plants

Section MC 924: Stationary Fuel Cell Power Plants 924.1 General. Stationary fuel cell power plants having a power output not exceeding 10 MW, shall be tested in accordance with ANSI/CSA America FC1 and shall be installed in accordance with the manufacturer's instructions and NFPA 853. Such fuel cell plants shall be powered by hydrogen derived on-site from piped natural gas, except where the storage, handling and use of hydrogen or other flammable gas is authorized by the New York City Fire Code for such purposes and approved by the fire commissioner. Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2008/026.

NYC Mechanical Code § MC 925 Masonry Heaters

Section MC 925: Masonry Heaters 925.1 General. Masonry heaters shall be constructed in accordance with the New York City Building Code.

NYC Mechanical Code § MC 926 Gaseous Hydrogen Systems

Section MC 926: Gaseous Hydrogen Systems 926.1 Installation. The installation of gaseous hydrogen systems shall be in accordance with the applicable requirements of this code, the New York City Fire Code, the New York City Fuel Gas Code and the New York City Building Code.

NYC Mechanical Code § MC 927 Electric Radiant Heating Systems

Section MC 927: Electric Radiant Heating Systems 927.1 General. Electric radiant heating systems shall be installed in accordance with the manufacturer's instructions and shall be listed for the application. 927.2 Clearances. Clearances for radiant heating panels or elements to any wiring, outlet boxes and junction boxes used for installing electrical devices or mounting luminaires shall be in accordance with the New York City Building Code and the New York City Electrical Code. 927.3 Installation on wood or steel framing. Radiant panels installed on wood or steel framing shall conform to the following requirements: 1. Heating panels shall be installed parallel to framing members and secured to the surface of framing members or shall be mounted between framing members. 2. Mechanical fasteners shall penetrate only the unheated portions provided for this purpose. Panels shall not be fastened at any point closer than 1/4 inch (6.4 mm) to an element. Other methods of attachment of the panels shall be in accordance with the panel installation instructions. 3. Unless listed and labeled for field cutting, heating panels shall be installed as complete units. 927.4 Installation in concrete or masonry. Radiant heating systems installed in concrete or masonry shall conform to the following requirements: 1. Radiant heating systems shall be identified as being suitable for the installation, and shall be secured in place as specified in the manufacturer's instructions. 2. Radiant heating panels and radiant heating panel sets shall not be installed where they bridge expansion joints unless they are protected from expansion and contraction. 927.5 Finish surfaces. Finish materials installed over radiant heating panels and systems shall be installed in accordance with the manufacturer's instructions. Surfaces shall be secured so that fasteners do not pierce the radiant heating elements.

NYC Mechanical Code § MC 928 Evaporative Coolers

Section MC 928: Evaporative Coolers 928.1 General. Evaporative cooling equipment shall: 1. Be installed in accordance with the manufacturer's instructions. 2. Be installed on level platforms and in accordance with Section 304.10. 3. Have openings in exterior walls or roofs flashed in accordance with the New York City Building Code. 4. Be provided with an approved water supply, sized for peak demand. The quality of water shall be provided in accordance with the equipment manufacturer's recommendations. The piping system and protection of the potable water supply system shall be installed as required by the New York City Plumbing Code. 5. Have ventilation air intake opening locations in accordance with Section 401.4.

Source: City of New York, Charter, Administrative Code and Rules (American Legal Publishing XML export, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/newyorkcity/latest/NYCadmin/0-0-0-195141Fetched: 10/24/2026