Does this mean the black stuff doesnt have the same problems as the yellow? Or use the SEARCH BOX found below to Ask a Question or Search InspectApedia. It was invented in the 1980s in Japan. It is also important to note that the IRC leaves out a lot of installation details for CSST and says to follow manufacturer instructions. They are similar in the fact that both are made from flexible stainless steel, and both are typically yellow in color. connect a short piece of black pipe to the elbow, and connect it to the regulator installed by the propane supplier. U.S. Patent 6,695,353, issued February 24, 2004. The article discusses CSST uses, sources, installation specifications, and safety measures to protect the gas piping from damage by abrasion, puncture, lightning strikes or other hazards. Is there such a thing as a 1" gas non corrugated flex connector tube for a commercial kitchen range on wheels that is code compliant? Bottom line: CSST flexible gas piping is indeed sold in versions that are rated for outdoor use. He's talking about CSST (corrugated stainless steel tubing) gasline. origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment. All FACs are made under the ANSI Z21.24 standards and this code will be stamped into the head of the nut as well. Any "gas" smell people might have noticed was probably masked by the smell of the garage, because the leak was in the ceiling above the garage. Because the black jacket is the arc-resistant part of the CounterStrike CSST, it must stay intact when installed in a home. A qualified electrician or plumber should verify proper installation of the flexible gas line. CSST can be an explosion hazard. Several manufacturers also recommend the upgrading of existing CSST systems to include the required bonding. Are appliance connectors and CSST the same thing? A separate grounding electrode and grounding system cannot be established just for the fuel gas piping system. 0 Free shipping for many products! CSSTis a flexible gas line material that has been used in millions of homes across the United States and the world. 3 (2013): 60-66. Parker Hannifin, Corp. (manufacturer of Parflex CSST gas piping) A black wire, a white wire, and a bare copper. Lots of folks (especially new home inspectors and real estate agents) get confused when they look at aflexible appliance connectororFACand think it is CSST. Want to learn all about flex line gas code and proper installation? The risk of arcing damage to CSST is increased in areas where lightning activity is greatest and where the CSST is not well bonded to a grounding system. 1-9. Thanks. Someone, probably a home inspector, is spending your money to reduce their risk - it's a great deal for them as your money is "free" to them. (2007). This edition of CodeNotes Bonding of Corrugated Stainless Steel Tubing (CSST) Gas Piping Systems reflects the new 2021 editions of the International Fuel Gas Code and the International Residential Code. Is this acceptable, according to your guidelines and any applicable codes? The use of corrugated stainless-steel tubing jacketed with yellow PVC or polyethylene (CSST) as piping for natural and LP gas has been growing rapidly since its introduction in 1989. You also need to make sure the clamp is not placed on the actual CSST tubing itself like the photo below. No product, including the improved TracPipeCounterStrikeis immune to the damage caused by a direct lightning strike. Yellow "Standard" CSST gas pipin galso requires special electrical ground bonding to reduce risk of damage & leaks in areas of high lightning strike activity. And if so, any idea where I might find them? My unit is on the middle. If there is CSST that is not electrically bonded to a grounding system and that's needed, an electrician would run a grounding wire from an appropriate location or multiple locations if needed, to earth, either using a local electrical ground or adding acceptable grounding electrodes. It is estimated to be in about 6-8 million homes where it was installed before bonding was a code requirement or manufacturer installation instruction, Between the early 1990s when it was introduced in the US market and the mid 2000s when the requirements came about is the target we are trying to reach and unfortunately no one knows where those 6-8 million homes are in the US. Unlike traditional, heavy-walled gas pipes, CSST is extremely thin and therefore susceptible to damage and contact with sharp objects, dirt and debris, or harmful substances is to be avoided. Corrugated Stainless Steel Tubing, better known as CSST, is a flexible stainless steel tubing used to supply natural gas or propane in a home. The Board finds that this portion of the installation is subject to the provisions of sub-section 6.2.1 of NFPA 54, 2002 Edition, as adopted by 248 CMR 4.03 (1). Look for corrugated stainless steel tubing (CSST) used as gas piping in buildings constructed in the U.S. or Canada after 1990 and also look for it in older buildings where gas piping was newly installed or modified since 1990. This article describes CSST: corrugated stainless steel tubing used for gas piping in buildings. - private email, Narva to Friedman, 14 April 2015. Be sure to read those and the applicable standards that are given in the article above on this page as well as manufacturers own installation instructions. Photo 1 shows a natural gas service entering a building, with a field-assembled manifold for connecting CSST to serve three gas appliances, plus a run of black pipe serving another manifold on the other side of the building. When this connection is made, each conductor (wires, metal pipes, etc)will rest at the same electrical potential that is a fancy way of saying everything is even and nothing has a higher or lower electrical charge. We have no relationship with advertisers, products, or services discussed at this website. CSST has the same style body, but you can barely make this out because of the thickheat-shrink style jacket that is covering the tubing. You will not receive a notification when a response to your question has been posted. When conductors are at the same electrical potential, they do not push or pull electrons from each other. The bonding clamp can be mounted at any location within the piping system, however, the clamp must be attached to a length of rigid pipe, a malleable iron pipe fitting, a prefabricated manifold, or a brass CSST fitting. Can csst be supported on the bottom of floor joists in basement. Your email address will not be published. I just came back from helping my Brother-in-Law with a few issues in his Condo in Boston -- he had a sprinkler pop over the winter, so a lot of the drywall had to be removed to dry things out. Mau, Andrew E. "Self-flaring, split bushing pipe fitting and hose assemblies employing same." If this event takes place close enough to your house, it can enter the structure via any available path. Good catch Scott. CSST Gas Piping Codes, Specifications, Industry Trade Associations. Can you tell me what the code is in terms of grounding the gas piping system, if say it uses black iron up until the point of appliance connection and then transitions to an FAC? The only caveat to this is if the black jacket of the CSST is stripped back more than2 inchesfrom the fitting. A Discussion About CSST Gas Lines and its Requirements. The electrical protection afforded by the arc-resistant jacket has been shown to be equal or greater than the electrical protection provided by the bonding conductor. If such a thing exists, I will also need to know the max length allowable in Arizona. Standard on Manufactured Housing (NFPA 501), the . Chances are that it was not done at all, and you need to rectify that. Durham, M. O., and R. A. Durham. These supports basically hold the flex gas line in place and help prevent unwanted movement of the gas line. The bonding helps achieve an equipotential state between the CSST and other similarly bonded metallic systems (such as the water piping, structural steel, electrical raceways and coax cable). Our page top photo, provided courtesy of Carson Dunlop Associates, a Toronto home inspection & education firm, illustrates an improper installation of standard yellow CSST gas piping - routed in ground contact in a wet area. Beyond that, it has an "escape" for nail penetrations. Keep up-to-date on crucial industry news, innovative training and expert technical advice with a free subscription to the award-winning Building Safety Journal. Currently (2015) the manufacturers have pretty much switched to an improved, more durable CSST gas piping whose design includes a protective outer jacket and for which extra manufacturer-specified ground bonding is not required. Lininger, Thomas B., Steven M. Powell, and Nicholas Novak. Flexible gas line code is a set of government regulations that controls flex gas line installations. 4. Over the years I have inspected so many homes with flexible gas lines,also known as CSST. Still, the system is in active use in the U.S. and Canada and continues in use in Japan. We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. Outside or unheated areas are prohibited locations for gas piping drip legs. And no, you cant just wrap the wire around the pipe a few times like Ive had people ask. I was aware that on the yellow CSST (Gastite) type piping that you can not attach . GAS PIPING, FLEXIBLE CSST at InspectApedia.com - online encyclopedia of building & environmental inspection, testing, diagnosis, repair, & problem prevention advice. Since then, CSST has gained in popularity as contractors have quickly discovered it could be installed in a third of the time with fewer fitting, which reduces the likelihood of leaks. Flexible appliance connectors also have a corrugated pipe except that the corrugation is visible and there is no plastic sheathing. The gas line comes to our meter at one end of the house, and the owner wants to have a gas burning insert in the fireplace at the other end of the house, 50 feet away. appliances. Thanks. Stringfellow (2013) continued to report on electrically-induced gas distribution piping. However, it's not nearly as durable as a black iron pipe. Sounds like black iron will do the trick . hbbd``b`$CC`$X VHD'fx0u, $Lf : ! Portland, TN 37148 There have been house fires blamed on faulty CSST installation without this bonding. Existing steel or copper piping systems must be retroactively bonded when modified by adding yellow (non-arc-resistant) CSST to the system regardless of the length of CSST added. This code requires bonding for CSST and includes detailed specifications for installation of CSST including the installation and spacing of supports (ranging from 1.2 to 2.4m depending on pipe diameter). Mr. Kahn is a licensed home inspector in New York and New Jersey, and can be reached at Website: Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the. Free shipping. It (the ground wire) runs right along the side of the white wire and terminates back at the panel where it is connected to the white wires (neutralwires). If you have black CSST in your home, and the jacket has been removed more than 2 in, I encourage you to reach out to TrackPipe for detailed instructions on correcting this installation. Treichel, Steven A. HEADS UP!!! Per client, the home was filed as a mother daughter home but does not have approval (C of O) for gas range installation. jpope (Jeffrey Pope, CMI) September 5, 2009, 4:29pm #4. To the untrained eye, they do look a lot alike. 3. doens't look horrible. Read Also >> What Is The Code For Toilet Clearances? Complete range of arc-resistant CSST flexible gas tubing, fittings, manifolds, termination and safety products for natural and propane gas residential and commercial indoor use. . Albino, Mark. Home Inspector Secrets is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. If you need help, contact our WebSupport via LiveChat. . Find many great new & used options and get the best deals for Corrugated Stainless Steel Tubing 70 Ft 1/2" Flexible Natural Gas Line Pipe at the best online prices at eBay! Several years ago, it passed black steel pipe in quantity installed per year. Corrugated Stainless Steel Tubing . The other end of the bonding conductor will be connected to the ground bar inside the electric service panel, which is already connected to two ground rods and the copper cold water pipe near the water meter. KAERMO CSST Gas Line, 1/2 ''100FT Flexible Gas Line, Natural Gas Line with 2 Male Adapter Fittings, Corrugated Stainless Steel Tubing, Propane Grill Conversion Kit. Rousseau, Alain, and Mitchell Guthrie. The manufacturer will specify where and when shutoff valves will need to be required. Ideally, you want to put the bonding clamp in a spot where the wire will be asshort as possible back to the electric panel. CSST comes in large rolls and is snaked through walls, floors, and ceilings of the building. PLEASE SEE this Q&A and our detailed reply now at CSST needs to be electrically bonded and grounded to prevent damage to the line. The bonding jumper shall connect to a metallic pipe or fitting between the point of delivery and the first downstream CSST fitting. Explore all the benefits that ICC Membership has to offer and become a member today to gain access to this exciting content. National Electric Code (NFPA 70 . Bonding Clamp. The painted FAC has very pronounced ribs you can see and feel on the tubing. It is estimated to be used in more than half of the homes built today. The 2018 and 2021 IFGC and IRC recognize advances made by CSST manufacturers to produce a more robust, arc-resistant, (black) jacket system that does not require the direct bonding required for traditional (yellow) CSST products. Telephone 800-662-0208 Continue readingat GAS PIPING, VALVES, CONTROLS - topic home, or select a topic from the closely-related articles below, or see the complete ARTICLE INDEX. SECTION 414 (IFGC) SUPPLEMENTAL AND STANDBY GAS SUPPLY. As part of its goal to serve the needs of plumbing, mechanical and fuel gas (PMG) officials, the ICC PMG Official Membership Council is committed to providing free, informative code support documents known as CodesNotes that can be used to complement building departments in-house weekly supplemental training. Thanks! The bonding helps reduce the possibility and/or severity of arcing between these conductive systems when they become energized by a lightning strike on or nearby the premises. gq Y7v0XSv 5&ZRK ";"f^ c}3 -E This did not prevent the leak I described, as the CSST looped up and was hit by a pneumatically-driven flooring nail Please click the link in the email CSST is flexible so it can be snaked through the structure. Studies have confirmed that a lighting strike near a home can puncture the membrane of CSST as result of the power surge. Your account has been marked for password reset. Goodson explained that CSST was generally not a good electrical ground, thus lending importance to the "direct bonding" discussion for this gas piping system. They are designed to connect an appliance to the gas distribution system of the building, which can be made up from black iron pipe or CSST. The bonding clamp must be accessible and can be located outdoors or indoors. 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