Sep 3, 2015. These fittings are used each time you change directions or join two pieces of straight pipe together. If you are not able to get CSST tubing and can't handle working with black iron pipe, consider using soft copper. Generally, the gas lines can be damaged due to any type of environmental or external damage and pose a serious risk to the house. Do Not Sell or Share My Personal Information. When using a flexible gas connector, it must not exceed 3 feet (36 inches) in length. Diversity factor is an important factor determining the correct gas piping size to be used for supplying domestic ranges in multiple family dwellings; it applies to domestic ranges only and shall not apply to any other gas appliances. In addition, manufacturers require protective plating to prevent nails from damaging the flexible gas lines. This flexible gas line has a very thin metal wall that is only about 0.3mm thick and can become a fire hazard if not properly installed. Questions of a Do It Yourself nature should be How tight to make compression fittings for stop valve on copper? Table of Contents Contact International Residential Code The number 1600 quoted in a note in the table above comes from the source we see in note 4 BrassCraft Gas Products, 39600 Orchard Hill Pl, Novi, MI 48375, USA +1 248-305-6000, Website: www.brasscraft.com/Below is a copy of the Company`s original information on flexible gas interconnections. The pipe in the walls acts as an interior lightning rod. Mod. Many of the manufacturers of this material require professional installers to take a short training course that familiarizes them with the small nuances of this unique gas piping system. Agencies may apply for exemptions from the biodiesel and E85 fuel use requirements if the agencies demonstrate that the alternative fuel is not available within a reasonable distance, cannot be purchased by state vehicle operators through state procurement, or the price of the alternative fuel is cost prohibitive, as determined by DOER. CSA design-certifies gas connectors up to 6' (72"). Use an approved pipe thread compound applied to the male threads only (keep at least 2 threads back from end of pipe). All Massachusetts agencies must use a minimum of 15% biodiesel (B15) in all on- and off-road diesel engines, provided that the Commonwealth Office of Vehicle Management and other appropriate agencies have determined that a B15 goal is appropriate. For more information, including funding amounts and how to apply, see the MassDEP Apply for a DERA Open Solicitation Grant website. Maxwell J. BrunnerLieutenantMenomonee Falls Fire DepartmentEmail- [emailprotected]. Section G2415.5 (404.5) provides that concealed connections or fittings must be limited solely to threaded elbows, tees and couplings, as well as brazed or welding fittings. DEAR BETSY: Congratulations! Please limit your input to 500 characters. Our content experts ensure our topics are complete and clearly demonstrate a depth of knowledge beyond the rote. Old homes with flexible gas lines were up to code when the home was built. Read Also >> What Is The Code For Range Hood Venting? If you do have a leak, these fittings are almost always readily accessible for adjustment. 20187 Tim Carter. When purchasing new motor vehicles, the Commonwealth of Massachusetts must purchase HEVs or AFVs to the maximum extent feasible and consistent with the ability of such vehicles to perform their intended functions. A line pressure regulator that reduces gas pressure from the range of greater than 0.5 psig (3.4 kPa) and less than or equal to 5 psig (34.5 kPa) to a lower pressure. 20. Adding additional gas lines at a future date is not a problem if you plan for the possibility during the original installation. There are lots of instances of houses that have been destroyed in gas fires because CSST pipe was ruptured by a lightning strike. Lightning strikes have caused numerous fires in residential homes as a result of CSST failing. Repeated bending, flexing, extreme vibration, stretching, can cause metal fatigue, cracks, holes and dangerous gas leaks. In addition, manufacturers require a protective coating to prevent nails from damaging flexible gas lines. That includes the Chapter 24, which sets out requirements for the installation and operation of gas piping systems to residential buildings. An illustration of a magnifying glass. Clothes dryer installation must be performed by a qualified installer. HEVs and AFVs must be acquired at a rate of at least 5% annually for all new motor vehicle purchases so that not less than 50% of the motor vehicles the Commonwealth owns and operates will be HEVs or AFVs by 2018. Flex corrugated pipelines have been involved in a number of legal disputes over the years. Many U.S. cities and towns (if not most) have adopted the provisions of the International Code Councils International Residential Code. Additional terms and conditions apply. Want to learn all about flex line gas code and proper installation? ) or https:// means youve safely connected to the official website. A lock icon ( Flexible gas lines are made from corrugated stainless-steel tubing (CSST). What Is The Code For Dryer Vent Installations? A parallel CSST manifold system mimics an electric panel. State fleets must also acquire AFVs according to the requirements of the Energy Policy Act (EPAct) of 1992 and the Massachusetts Office of Vehicle Management (OVM) must approve any light-duty vehicle acquisition. (2023 Code Placement), Gas Water Heater Vent Pipe Codes (2023 Requirements), Dryer Vent Installation Code (2023 Requirements), Exit Sign Placement (2023 Building Code Requirements), Toilet Clearance Code (2023 Requirements), Sewage Ejector Pump Code (2023 Requirements), 15 Residential Stair Codes (Handrail Height, Width, Risers), 11 Gas Shutoff Valve Code Requirements (2023 Code Guide), 10 Water Heater Installation Code Requirements (2023 Guide), And some frequently asked questions on flexible gas lines. (Reference Massachusetts General Laws Chapter 7, Section 9A). Read Also >> What Is The Code For Dryer Vent Installations? Many of my fellow contractors who install gas lines thought it was unsafe. Read Also >> What Is The Code For Toilet Clearances? This code is updated every 3 years and it is known as a model code. If your house was built in the United States between the early 90s and mid-2000s, you likely have natural gas piping made from corrugated stainless steel tubinga popular, flexible replacement for black steel pipes. There's signs of flames shooting out of the burner area. Hundreds of thousands of houses have these corrugated appliance connectors in service right now. If you need assistance, please contact the Trial Court Law Libraries. Annie Sisk is a freelance writer who lives in upstate New York. All flex gas lines installed in new homes are required to be electrically bonded and grounded to prevent fire damage from lightning strikes. Flex Gas Lines Need To Be Installed With Supports, Flex Gas Lines Should Be Electrically Bonded And Grounded For Safety, Flex Gas Line Pipe Size Is Based On A Few Factors. Call a local architect or plumber instead of trying to read all that mumbo jumbo. Can you put two hoses together? Complete the form below and each week you'll get: Unsubscribe at any time. The flexible connector cannot be longer than 36". The current home I live in here in central New Hampshire had these flexible gas lines installed in 2001. Keep reading! A flexible gas line is an ingenious method of supplying natural gas to fireplaces, furnaces, cooktops, clothes dryers and any other gas appliance. It's vital to follow all instructions provided by CSST manufacturers and to BOND the tubing electrically. Protective plates need to be installed to protect flex gas lines from punctures. Section G2403 (202) further clarifies what the code means by "fuel gas": A natural gas, manufactured gas, liquefied petroleum gas or mixtures of these gases. The chapter's rules apply to the piping system from the point of delivery to the outlet of the appliance shutoff valves. Section G2415.3 (404.3) prohibits installing pipes through ductwork, clothing chutes, chimneys, elevator shafts and dumbwaiters. One of two tables in the International Residential Code that governs pipe size for CSST. Board of State Examiners of Plumbers and Gas Fitters, State Plumbing Code, Board Policies, Variance Applications, and Other Forms, CSST Installed Above Ground Exterior to a Building, Maximum Temperature for Hand Sinks in Commercial Kitchens, Minimum Drain Size With Multiple Shower Heads, Safe Waste Pans for Water Heatersand Storage Tanks, Creation of Board of State Examiners of Plumbers and Gas Fitters (M.G.L Chapter 13, Sections 36 to 38), Licensing Provisions for Registration of Plumbers and Gas Fitters (M.G.L. Copyright To find laws and incentives for other alternative fuels and advanced vehicles, search all laws and incentives. The code also provides the method for determining maximum gas demand and adjustments that must be made to compensate for higher altitude installations. Black iron is so much thicker that it may actually take a lightning strike better. Is it safe to use? In some U.S. states such as in Massachusetts, CSST is required to have a metal cover to protect it from lighting and the elements when outside. I have to check. The AFV must conform to applicable federal and state laws and regulations. A CSST that is not correctly grounded or bonded can leak natural gas or become ignited, leading to a major fire hazard. The thin walls of CSST might not seem to handle as much of a strike as black iron. If you care to, read an article that was published in April of 2003 in the Dallas News regarding banning this installation in the city of Frisco, Collin County, Texas. My first suspicion would be that the tubing acts like a lightning rod of sorts. 248 CMR 4.00 through 8.00, collectively the Massachusetts Fuel Gas Code, governs theinstallation of fuel gas piping systems, fuel gas utilization equipment, and related accessoriesthroughout the Commonwealth. 2021 Tim Carter, "A flexible gas line is made from thin-wall stainless steel. Real estate developers and contractors should become familiar with the requirements of Chapter 24 before working on gas piping systems in residential structures. In the state of Massachusetts, installation must be performed by a qualified or licensed contractor, plumber, or gasfitter qualified or licensed by the state. An AFV powered by propane or natural gas may only use the Massachusetts Turnpike at or between Interchange 1 in West Stockbridge and Interchange 14 in Weston if the vehicle has a special fuel transportation permit issued by the Massachusetts Department of Transportation. If CSST is installed along drywall or in some area where nails may be used, it needs to be protected with metal plating. I would like to install the pex type manifold systym as I need to replace all of the old plumbing , there are several brands-Apollo , Viega , Wirsbo , manabloc ect . (Reference Massachusetts Executive Office of Administration and Finance Administrative Bulletin 13, 2006). I know as I have installed thousands of linear feet of the heavy material. The code prohibits the use of cast iron pipes in residential gas piping installations. You may need to clear or refresh your browser`s cache to view the updated page. Share sensitive information only on official, secure websites. ) or https:// means youve safely connected to the official website. You don't solder it like water lines. This valve must be located in the same area as the appliance. A typical black iron pipe installation requires a professional to precisely measure, cut, and thread the individual pieces of pipe. Chris, if the gas valve is in front (before) of the flexible gas connection, this is the most important thing close this valve. Requirements for an ASME Boiler Pressure Vessel, How to Locate Underground Gas Lines Before You Dig, ICC Publish Access: International Residential Code - Chapter 24 - Fuel Gas, ICC Public Access: International Fuel Gas Code, Archive.org: Full text of "ICC IRC (2012): International Residential Code", Legal Beagle: How to Locate Underground Gas Lines Before You Dig, Legal Beagle: How to Get a General Contractor's License, Legal Beagle: How to Fight Code Enforcement, Legal Beagle: General Conditions in a Construction Contract, Legal Beagle: Requirements for an ASME Boiler Pressure Vessel, LNG (liquefied natural gas) installations, Temporary LP gas piping for buildings under, Portable LP gas appliances that arent connected to any fixed piping system, A prohibition against gas piping that penetrates any of the structures foundation walls at any point thats below grade; and. We respect your email privacy. Some of their arguments never made sense to me. Before installing gas piping systems to residential structures, be sure to check your local code enforcement ordinances. Visit the Solution Center to Explore Articles, Photo: Cavan Images / Cavan / Getty Images. Lightning strikes are much rarer, accounting for only a portion of the 1.8% of residential fires caused by natural disasters. All Flex gas lines installed in new homes must be electrically plugged in and grounded to prevent lightning damage. 248 CMR 3.00: General provisions governing the conduct of plumbing and gas fitting work performed in the Commonwealth. We write helpful content to answer your questions from our expert network. Errant screws or nails used to attach cabinets, trim, pictures, etc. Are there advantages to using this pipe? CSST should never be directly connected to movable appliances like dryers, washers, and ovens. A typical black iron pipe installation has many 90-degree, tee, and coupling fittings. Additionally, the project inspector must approve the use. Incorporate drip legs at all appliance connections. As a general rule, however, at least one shut-off valve should be installed, when the flexible gas line is connected to the "black iron" or hard gas line. Most U.S. municipalities have adopted the provisions of the International Residential Code, Chapter 24. I would have preferred to close the pipes when they are not in use. A flexible appliance connector should be used instead to connect from the CSST to these appliances. Since the CSST gas line has such a thin metal wall (0.3 mm thick), it is important to protect the gas line from nail punctures. If you have an older home with CSST, it is important to check that the electrical bonding and grounding are in place and working properly. Chapter 24 prohibits the reconditioning or reuse of any pipe, fittings or valves, unless theyre free of debris and are suited to the intended purpose. Electrically bonding the CSST will ground the gas line and help prevent damage and subsequent fire risk. The connector shall be used in accordance with the terms of its listing and shall be in the same room as the equipment. CLICK HERE to Get Tim's FREE & FUNNY Newsletter. For as long as I have been in the home building business, we always used similar brass appliance connector tubing when gas was supplied to a clothes dryer, a cooktop, or a gas range. Additionally, any piping installed downstream of the structures point of delivery cannot extend through any other townhouse unit besides the one being served by the piping. All of the gas lines that feed each appliance start at a, If you use copper for gas lines in your home, be sure to paint them yellow and label them with. The short flexible connector to your gas-fired stove, furnace, or hot water heater is not CSST. 5.1.1 Installation of Piping Systems over Five Million BTU/hr. This type of gas line tubing is very popular among builders and contractors because of its ease of use, flexibility and its ability to save on labor installation costs especially over black iron pipe.
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