Gas stove code requirements. Vertical Clearances above Cooktops and 9.

com. Feb 6, 2023 · In conclusion, SANS 10087 provides a comprehensive set of regulations for the installation, maintenance and repair of gas appliances and systems in South Africa. 1 and the International Fuel Gas Code, the International Fire Code and the International Building Code. 30880, Michigan building code, R 408. Regularly inspect & clean the ventilation system for optimal performance. 2 General. I'd modify the contract: Run gas line to stove, Install 110v/15A receptacle. Chapter 31 Vents. Proper ventilation is recommended to remove these gaseous byproducts and particulates Chapter 24 Fuel Gas. Jan 11, 2023 · If the opening is less than 6 sq. Anchorage shall conform to the requirements of Section R1001. Mar 30, 2024 · Code 11 – Gas Shutoffs Installed On Manifolds Must Be Within 50-Feet Of Appliance. This specific requirement is more relevant for electric stoves in commercial kitchens. Ambulatory care facilities and Group I-2 occupancies shall be ventilated by mechanical means in accordance with Section 407 . Mechanical exhaust capacity of 50 cfm intermittent or 20 cfm continuous. For SI: 1 cubic foot per minute = 0. Vertical Clearances above Cooktops and 9. The chimney sits at 10 and a half feet from the wall of the two story main house and is four feet higher than where the 12/2 slope roof joins the wall. Hoods must be erected in Ohio with a minimum distance of 1/4 inch (6. 00, collectively the Massachusetts Fuel Gas Code, governs the installation of fuel gas piping systems, fuel gas utilization equipment, and related accessories throughout the Commonwealth. Where terms are not defined in the code and are defined in the Michigan electrical code, R 408. The state mandates that kitchens must have a range hood capable of providing at least 100 CFM intermittently or 25 CFM continuously, ensuring adequate ventilation to maintain indoor air quality. 6014 are known and may be cited as the “ Minnesota Fuel Gas Code . It does help, however, to use well-seasoned hardwood as fuel and to run a small hot fire rather than a large smouldering one. Dec 23, 2023 · If you have a powered air intake such as from a high efficiency furnace, then the range hood vent needs to be at least 10-feet away. 75 cfm per square foot (0. 11. It is important for all gas installers and users to Abbreviation for British thermal unit, which is the quantity of heat required to raise the temperature of 1 pound (454 g) of water 1°F (0. When starting or adding wood to a fire, run the fire hot for 10-20 minutes. 3 (see Section E3909). Sep 3, 2019 · M1801. beyond the sides. 7. ft. Printing is a feature of Digital Codes Premium. 4. Agree to keep the 220, future owners will thank you. Dec 18, 2023 · Grounding: Ensure proper grounding of the electric fireplace as per NEC guidelines. Two or more listed and labeled appliances connected to a common natural draft venting system shall comply with the following requirements: 1. 3. Solid-fuel-burning appliances must be provided with the following (2012 IRC section R1001. Dwelling units complying with the air leakage requirements of the International Energy Conservation Code or ASHRAE 90. The better action now is to put in a new valve on the gas pipe, but the downside is that this requires shutting gas to house off, and may require the gas company to turn it back on. The section numbers appearing in parentheses after each section number are the Creosote deposits cannot be eliminated. All receptacles must be GFCI-protected. If it's a gas range, however, it will only require a 120/125-volt receptacle to power the range controls and vent hood. If it stays on continuously, it only needs to be able to transfer 100 cfm, or a quarter of the capability of an intermittent system with an on/off switch. 9. Note: This table provides a summary of major requirements for the construction of masonry chimneys and fireplaces. 4 inches (102 mm) from the back of masonry fireplaces. Nov 23, 2021 · The NFPA clearance from combustibles is fairly conservative. M1502. Installation Clearances: Follow the manufacturer’s installation instructions regarding clearances around the electric fireplace. 4 of the New York City Fuel Gas Code, MC 102. 621. Where an appliance is permanently disconnected from an existing chimney or vent, or where an appliance is connected to an existing chimney or vent during the process of a new installation, the chimney or vent shall comply with Sections M1801. E Measure from the floor to the top of counter-top = _____ in. Jun 5, 2024 · Mandate: The Massachusetts State Building Code (780 CMR) mandates the installation of range hoods in residential kitchens. A receptacle for a cord-and-plug- connected range hood shall be supplied by an individual branch circuit. G2412. If your existing hood is too low, consider raising it if possible. Chapter 19 Special Appliances, Equipment and Systems. 30. 901. Masonry or concrete chimneys in all structures regulated by this code assigned to Seismic Design Category C, D 0, D 1 or D 2 shall be anchored at each floor, ceiling or roof line more than 6 feet (1829 mm) above grade, except where constructed completely within the exterior walls. M1801. G2447. 11 Multiple-appliance venting systems. This comprehensive code comprises all building, plumbing, mechanical, fuel gas and electrical requirements for one- and two-family dwellings and townhouses up to three stories. Our guidance on direct vent gas fireplace hearth requirements will take you A backSPLASH is ONLY a decorative finish. ) 801. 9 kPa gauge), irrespective of design pressure. 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. This table does not cover all requirements, nor does it cover all aspects of the indicated requirements. 1 (926. Chapter 27 Plumbing Fixtures. C If wall is on either side of range, measure side of range to wall = _____ in. Find the full code details here. • There is no minimum square foot area for a kitchen (IRC R304. 5050TITLE; INCORPORATION BY REFERENCE. § 2202. 32 KB) 248 CMR 4. Chapter 29 Water Supply and Distribution. – dbracey. Jan 15, 2020 · (This isn’t to say there aren’t jurisdictions that require range hoods; states and municipalities can and do tack things like that onto the model code. Existing code language has been deleted. Feb 27, 2012 · 3. Chapter 18 Chimneys and Vents. Also I have gas cooktop + electric oven and like it a lot. 2. A metal hood is usually installed above a range. If you have a gas shutoff that is installed on a manifold, it must be within 50-feet of the appliance it serves. Other airborne particulates: Fine particles released into the air from gas combustion. You won’t really be able to test this in your own kitchen. Hoods mounted too low look awkward and interfere with cooking tasks. . 2 Minimum Ventilation. 2). 10. System A (12-inch clearance): A 3. Each length of pipe and tubing and each pipe fitting, utilized in a fuel gas system, shall bear the identification of the manufacturer. Apr 30, 2021 · 248 CMR 3. No combustible material should protrude onto the hearth . 1 (623. A range hood is required for an electric stove if the stove produces less than 5 micrograms of grease when tested at 500 CFM. 3 Modifications to Existing Systems In modifying or adding to existing piping systems , sizes shall be maintained in accordance with this chapter. 4 of the New York City Mechanical Code and PC 102. 1 Scope. CHAPTER 4 GAS PIPING INSTALLATIONS - 2018 INTERNATIONAL FUEL GAS CODE (IFGC) Printing is a feature of Digital Codes Premium. The hearth itself should have a minimum thickness of 12mm. 1 Installation. Authority. This code requirement exists for good reason: gas stove operation depends on a steady electrical power supply for safety and performance. Chapter 25 Plumbing Administration. Legal Notice for Standards. Common Clearance Requirements A 30” from top of cooking surface to bottom of cabinets or other combustible material NGDC—Natural Gas Distribution Company—An NGDC as defined by 66 Pa. No wood stove or fireplace shall be permitted for use as the sole source of heat in any new or remodeled structure or dwelling. " Oct 26, 2022 · 02 of 07. 9 (401. May 2, 2017 · I have a wood stove metal chimney pipe that exits the top a 12/2 slope roof that's part of an single story ad-on to a two story house with a hip roof at 12/12 pitch. Where the passageway is not less than 6 feet (1829 mm) high for its entire length, the passageway shall be not greater than 50 feet (15 250 mm) in length. , Washington, DC, are incorporated by reference as part of the Note: This table provides a summary of major requirements for the construction of masonry chimneys and fireplaces. Key changes in the 2021 IFGC® include: The termination of concealed condensate piping requires marking to indicate if it is the primary drain or the secondary drain. What are the Requirements for Proper Ventilation Based State Regulations. ) This holds true even for gas ranges, which confuses many people. 406. An electric range generally needs a dedicated 240/250-volt, 50-amp circuit. GFCI protection is required for all 125-volt to 250-volt receptacles rated 50 amps or less, not exceeding 150 volts to ground, supplied by a single-phase branch circuit in the following: All areas with sinks. – Chris Cudmore. 56°C) (1 Btu = 1055 J). ’. 2 and shall be installed in accordance with the conditions of the listing and the manufacturer's instructions. (And for water or food SPLASHES) A backGUARD is for heat protection. For openings 6 sq. Gas piping with factory applied coatings intended to protect against corrosion during material shipping and storage shall be tested at not less than 1 1 / 2 times the proposed maximum working pressure, but not less than 3 psig (20. If your gas stove is untested or raises the surface area temperature of the hearth to more than 100C, then you will have to install your gas stove on a hearth that has a thickness of at least 250mm. 1, the Fuel Gas Code of New York State, the Fire Code of New York State and the Building Code of New York State. 00 - General Provisions Governing the Conduct of Plumbing and Gas Fitting Work Performed in the Commonwealth (effective April 30, 2021) 248 CMR 4. Learn about the fire safety codes and standards for different types of heating devices, such as space heaters, portable fireplaces, and electric blankets. This section lists the applicable code requirements followed by details helpful for plan review regarding the provisions to meet the requirement for "rooms containing fuel-burning appliances. Section M1902 Sauna Heaters. Chapter 33 Storm Drainage. beyond either side of the fireplace opening. To access printing capabilities, please subscribe to a Digital Codes Premium subscription. This chapter shall govern the installation, maintenance, repair and approval of factory-built chimneys, chimney liners, vents and connectors. Coverage includes general requirements for equipment and appliance sizing, condensate disposal, access and support, and specific coverage for more than a dozen different types of space conditioning equipment and appliances common to dwelling units. 30401 to R 408. A qualified mason should inspect the chimney and flue before the stove is used and annually. Why does a 40,000-Btu-per-hr. Dec 27, 2021 · A range hood servicing a 40,000 Btu gas burner stove, which is standard, should have a capacity of 400 cfm if it's the kind you can turn off and on. Section M1903 Stationary Fuel Cell Power Plants. • Kitchen must have a sink (IRC R306. 1 through M1801. Then thread in the large screws that secure the assembled unit against the bottom of the countertop. BURNER. gas-fired water heater require venting, but a 60,000-Btu-per-hr. 1 WAC, R1006. • Minimum kitchen ceiling height of 7-feet (IRC R305. International Residential Code. 30547, International Fire Code and International Fuel Gas Code listed in Chapter 44, Michigan mechanical code, R 408. That means that you'll need to install a 6/3 NM cable (or #6 THHN wire in a conduit) to feed the range. 30-36 inches is ideal. Find the spots where the brackets are to be attached to the bottom of the cooktop and screw them in. The following are general minimum clearances for ranges: 1 ½ inches to nearest adjacent sidewall above the cooktop on both sides. Installations can vary, so checking the installation instructions to determine space requirements for your specific model is recommended. ”. Requirements include listing and labeling, installation, location, clearances, venting and exhausting, controls, support and combustion and ventilation air. 30801 to R 408. But each valve needs to be within 50-feet of the appliance it is serving. CALIFORNIA MECHANICAL CODE - MATRIX ADOPTION TABLE CHAPTER 9 - INSTALLATION OF SPECIFIC APPLIANCES (Matrix Adoption Tables are non-regulatory, intended only as an aid to the code user. 404. 00 through 8. Mar 17, 2021 · When it comes to installing a pellet stove within a home there are two things that need to be considered in terms of venting requirements: The fresh air intake and how fresh air will be supplied to the pellet stove, and to the room if required by local codes and regulations. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable The code official/building official must examine, or cause to be examined, construction documents for code compliance. Nov 30, 2020 · NKBA. The manufacturer's instructions show 30" minimum from the top of the stove to the underside of the cabinet above the microwave. Chapter 26 General Plumbing Requirements. This is important for electrical safety. The defini-tion of fuel gas includes natural, liquefied M1904. 3 Existing chimneys and vents. S. The duct serving the hood shall have a smooth interior surface, shall be air tight, shall be equipped with a back-draft damper and shall be independent of all other exhaust systems. Venting is by means of chimneys, vents, integral vents, direct- vents and power exhausters. There are some exceptions though. Download a PDF copy of the regulation below. These units require specific hearth setups to ensure proper combustion and safe operation. 3. Cracks in the flue or mortar joints can allow flames and heated gases to get into living spaces. 9) Identification. This will rapidly heat the wood and drive off some of the moisture. 5 says a minimum of 24" where one of the following is installed and we have condition #3. Chapter 17 Combustion Air. The text of this chapter is extracted from the 2015 edition of the International Fuel Gas Code and has been modified where necessary to conform to the scope of application of the International Residential Code for One- and Two-Family Dwellings. Vertical Clearances above Cooktops. in front of and at least 8 in. 1, which shows examples of typical construction. Radiant stoves are "single-walled" stoves, usually, cast iron or steel. 1 General. This process brings together volunteers representing varied viewpoints and interests to achieve consensus and develop a standard. Ohio. The passageway and level service space are not required where the appliance is capable of being serviced and removed through the required opening. Section M1901 Ranges and Ovens. 30901 to R 408. in front of and 12 in. 1. 1 shall be ventilated by mechanical means in accordance with Section 403. Chapter 5 includes design, sizing and installation requirements for chimneys and vents and requirements for matching the appliance type to the appropriate venting system. M1904. 00 - Massachusetts Fuel Gas Code (effective April 30, 2021) Solid fuel heating appliances cannot share a common flue with chimney flues used by another solid fuel, fossil fuel, or gas fire appliance. To properly vent a gas stove, first, install a range hood with ducted ventilation that directs cooking byproducts outside. Chapter 20 Boilers and Water Heaters. Cooking appliances that are designed for permanent installation, including ranges, ovens, stoves, broilers, grills, fryers, griddles, hot plates and barbecues, shall Clearances for and protection around gas, propane and Clearances from Gas, Propane and Electric Ranges Safety code regulations made pursuant to the Safety Codes Act. Jan 26, 2024 · General Requirements: 2 inches (51 mm) from the front and sides of masonry fireplaces. 6. , the extension needs to extend at least 16 in. 1 Size. 12. Chapter 15 Exhaust System. Find out how to prevent heating fires and protect your home and family. 5-inch-thick brick wall shall be framed into the combustible wall. Apr 6, 2020 · 1346. Not less than 6 inches (152 mm) of clearance shall be Library locations and phone numbers. The exception to the 10-foot rule is if the range hood vent is at least 3-feet above the intake vent. Chapter 30 Sanitary Drainage. The hearth must also be a minimum of 50mm in height or be surrounded by 50mm high fender. We have 32 1/4", which would put the underside of the microwave at 15 7/8" above the stove. Lie on the floor on your back with your head, shoulders and hands in the cabinet underneath the cooktop. For the venting of oil-fired appliances to masonry chimneys, the resizing shall be done in accordance with NFPA 31. This article will discuss a few important buildings to keep in mind when designing your kitchen in Ontario. Feb 27, 2012 at 16:59. This is a fully integrated custom code based on the 2018 International Residential Code. Gas ranges offer immediate and adjustable heating for cooking needs at a low cost. 5050 to 1346. The Fuel Gas Code of New York State (FGCNYS) is a code that regulates the design and installation of fuel gas distribution piping and systems, appliances, appliance venting systems, combustion air pro-visions, gaseous hydrogen systems and motor vehicle gaseous-fuel-dispensing stations. The flue used to exhaust waste air from the home. 1) Installation. 0004719 m 3 /s. Use rigid metal ducts to ensure efficient airflow, minimizing sharp bends and maintaining a straight path to the exterior. CG200-01 - Introduction to the 2015 International Fuel Gas Code (7) CG206-00 - Significant Changes to the 2018 IFGC (3) The 2024 IFGC® addresses the design and installation of fuel gas systems and gas fired appliances through prescriptive and performance requirements. Induced-draft. User notes: About this chapter: Chapter 14 addresses the indoor environmental control systems and appliances typically found in dwelling units. Single-wall metal pipe shall be guarded by a ventilated metal thimble not less than 4 inches (102 mm) larger in diameter than the vent connector. 00 - Effective 4. Improved Comfort – Removes Excessive Heat and Steam. 30 inches between the cooktop and a cabinet. 3 Installation with heat pumps and air conditioners. The storage system for liquefied petroleum gas shall be designed and installed in accordance with the International Fire Code and NFPA 58. Tips Installation of Ranges Natural gas & propane ranges shall be installed in ac-cordance with gas code regulations made pursuant to the Safety Codes Act. This chapter shall also govern the utilization of masonry chimneys. D Measure cabinet over range top from wall to face of cabinet = _____ in. Oct 26, 2023 · Damage to hood or cooktop from pans sliding off the stove. 22. Where fittings are used, the maximum length of the exhaust duct shall be reduced in accordance with Table M1502. Kitchen seating should be a minimum of 24-inch wide for each person and: For 30-inch high tables/counters, a minimum 18-inch deep clear knee space for each seated diner. The chimney or vent shall be resized as necessary to control flue gas condensation in the interior of the chimney or vent and to provide the appliance, or appliances served, with the required draft. The maximum length of the exhaust duct shall be 35 feet (10 668 mm) from the connection to the transition duct from the dryer to the outlet terminal. Oct 26, 2022 · A laundry room needs at least one 20-amp circuit for receptacles serving laundry equipment; this circuit can supply a clothes washer or a gas dryer. Mar 17, 2022 · Here’s the minimum code requirements for a residential kitchen: • Every residence must have a kitchen area (IRC R306. 4 of the New York City Plumbing Code. Correct gas pipe sizing, installation, and appliance connections are vital steps that help ensure gas fireplaces are safe and provide long-term performance. 91 issued under the Public Utility Code, 66 Pa. Letter references are to Figure R1001. 0038 m 3 /s • m 2) of floor area. Type L vent material for oil appliances shall be installed with not less than listed and labeled clearances to combustible material. Direct vent gas fireplaces or natural vent gas fireplaces blend efficiency with elegance, often becoming the centerpiece of a room. 2. 625-inch-thick fire-clay liner (ASTM C315 or equivalent) e shall be firmly cemented in the center of the brick wall maintaining a 12-inch clearance to combustibles. Gaseous hydrogen systems shall be installed in accordance with the applicable requirements of Sections M1307. A device for the final conveyance of the gas, or a mixture of gas and air, to the combustion zone. Improve the Health and Safety of the Environment. Dec 21, 2019 · 40 years ago when I replaced a gas stove an old fashioned hardware store had an adapter that screwed onto the old style and presented the new style. A gas manifold is a device that has multiple shutoffs in one location. There are two code items related to gas and electric range. 21 (English, PDF 39. This is a fully integrated code based on the 2015 International Residential Code. Feb 22, 2021 · This is so that a safe area is clearly marked. Good Investment: Updates the Kitchen/Aesthetically Pleasing. 1. According to the NFPA 70 National Electrical Code, the minimum distance between the bottom of the microwave and the cooking surface of the gas stove should be at least 30 inches (Two The standard installation for household cooking appliances is 30” to combustibles, or 24” when the underside is protected, a ventilation hood is installed, or a upper cooking appliance is installed according to the upper appliances clearance. Gas Codes. An 0. Cooking surfaces and floors need to be non-porous, smooth, and easily disinfectable. 4 mm) between the hood and the underside of flammable material and cabinets. Gas-fired appliances shall be vented in accordance with the International Fuel Gas Code. Unvented room heaters shall be tested in accordance with ANSI Z21. Dec 21, 2018 · NFPA 1: A summary of requirements for heating appliances #FireCodeFridays. 2, Test for combustion air and vent drafting for natural draft and Category I appliances. The fuel gas codes and manufacturer installation instructions have general and specific requirements when Corrugated Stainless Steel Tubing (CSST) is used to supply fireplace appliances. Duct heaters located within 4 feet (1219 mm) of a heat pump or air conditioner shall be listed and labeled for such installations. Specific appliances have additional requirements as specified in Table E4101. Chapters 2 to 8 of the 2018 edition of the International Fuel Gas Code (“IFGC”), as promulgated by the International Code Council, Inc. The heat pump or air conditioner shall additionally be listed and labeled for such duct heater installations. Automatic operation of the system shall not reduce the ventilation airflow rate below 0. 2 WAC): Tight-fitting metal or ceramic glass doors; A source of primary combustion air from outside the structure The approval, design, installation, construction, maintenance, alteration and repair of gas-fired appliances shall be regulated by the International Fuel Gas Code. Ducts serving range hoods shall not terminate in an attic or crawl space or areas inside the building. 1 Specified Length. Parts 1346. For future resale, I'd run the 220 line, but not connect it to the panel. This includes maintaining specified distances from combustible materials. ICC Digital Codes is the largest provider of model codes, custom codes and standards used worldwide to construct safe, sustainable, affordable and resilient structures. Some exceptions direct users to special provisions for prior code buildings located in Sections BC 901, BC 1101, BC 1601 and BC 3001 of the New York City Building Code and Sections FGC 102. § § 501, 504—506, 1301 and 1501. Range hoods shall discharge to the outdoors through a duct. 05 cfm per square foot (0. An electric dryer needs its own 30-amp, 240-volt circuit wired with four conductors (older circuits often have three conductors). Chapter 21 Hydronic Piping. 30701 to R Jun 11, 2023 · In the United States, the National Fire Protection Association (NFPA) provides guidelines for minimum distance requirements between a microwave and a gas stove. The airspace created by these clearances must not be filled, except for fireblocking as specified in Section R1001. 1 Factory Applied Coatings. 30998 or Michigan plumbing code, R 408. The extension must be of concrete or masonry and About this chapter: Similar to Chapter 9 of the International Mechanical Code ®, Chapter 6 of this code addresses specific types of appliances in detail. Appliances that are connected to common venting systems shall be located on the same floor of the dwelling. masslawlib@gmail. 1) Cooking appliances. As you can see from the table below, the code calls for a 36" air space between the stove and combustible walls for a radiant stove and 12" on the sides and rear of a circulating stove. Reliable water supply and gas hookups also fall under this category. Not required for industrial laboratory sinks where the removal of power would introduce a greater hazard. Sep 28, 2023 · The answer is yes – all gas stoves, whether natural gas or propane, do legally need a 120-volt, 20-amp dedicated circuit in the kitchen according to the National Electrical Code (NEC). Focal Point Fires. 4 Access. 401. Oct 20, 2009 · G2447. M1407. Ranges manufactured today burn natural gas very efficiently, but toxic fumes can still be a problem that affects the health of the home's inhabitants. 00025 m 3 /s • m 2) of the floor area and the system shall be capable of producing a ventilation airflow rate of 0. Canadian Standards Association (operating as “CSA Group”) develops standards through a consensus standards development process approved by the Standards Council of Canada. 1). The regulations are designed to ensure that the use of gas is safe and does not pose a risk to human health and the environment. Formaldehyde: Released in small amounts from gas stove burners and can irritate eyes and respiratory systems. Chapter 16 Duct Systems. The 2021 IRC® contains many important changes such as: Braced wall lines must be placed on a physical wall or placed between multiple walls. For 36-inch high counters, a minimum 15-inch deep clear knee space for each seated diner. Chapter 32 Traps. The provisions of this § 59. Key changes in the 2024 IFGC® include: Appendix D- D105. Source Chapter 14 Heating and Cooling Equipment and Appliances. The maximum length of the exhaust duct does not include the transition duct. 4 and M1903. or larger, the hearth-extension dimensions bump up to minimums of 20 in. Listing and May 12, 2023 · North Dakota follows the IMC for kitchen hood requirements. Oct 20, 2023 · For instance, it's imperative to store cleaning chemicals separately from foods. range doesn’t? This comprehensive code comprises all building, plumbing, mechanical, fuel gas and electrical requirements for one- and two-family dwellings and townhouses up to three stories. Oct 31, 2023 · Improperly vented gas stoves release carbon monoxide. 4. Aug 3, 2021 · The hearth must extend a minimum of 150mm either side of the opening and a minimum of 300mm in front of the opening. See Chapter 1 for state agency authority and building applications. Reducing Cooking Odors by installing gas ranges that need to be vented. Venting requirements for gas range tops vary depending on the type of features and local building codes. Chat with a law librarian online. Unvented room heaters utilizing fuels other than fuel gas shall be regulated by the Mechanical Code of New York State. Addresses the design and installation of fuel gas systems and gas fired appliances through prescriptive and performance requirements. Even shared kitchen spaces aren't exempt from these requirements, necessitating permits. Dec 3, 2023 · Direct Vent Gas Fireplaces Hearth Requirements. Minimum Exhaust Rate Or CFM. Exceptions: Steel pipe sections that are 2 feet (610 mm) and less in length and are cut from longer sections of pipe. C. Section M1904 Gaseous Hydrogen Systems. NGS—Natural gas supplier—A supplier as defined by 66 Pa. 248 CMR 4. At minimum, range hoods should be installed 24 inches above the cooking surface. Chapter 28 Water Heaters. 5. up ft lb hc pw je wp ns xp pk