20187 Tim Carter. They're a new flexible stainless steel piping system that is installed like electrical wire. My first suspicion would be that the tubing acts like a lightning rod of sorts. But typically, at least one shutoff valve will need to be installed where the flex gas line connects to the 'black iron' or hard gas pipe. Tell them you think you have CSST and that you want to make sure it's been properly grounded. I remember when the material was first introduced in 1989. Make your practice more effective and efficient with Casetexts legal research suite. By July 1 of each year, OVM must compile a report detailing the progress made towards these requirements. Building Codes requiring bonding of CSST flexible gas lines came into practice no earlier than 2007. Top-requested sites to log in to services provided by the state. Flexible Corrugated Stainless Steel Tubing (CSST) will also be allowed as per the manufacturer's guidelines. Lightning strikes have caused numerous fires in residential homes as a result of CSST failing. Gas unions - Plumbing Inspections - InterNACHI Forum Many homeowners scratch their heads when they see bending yellow gas lines in their homes instead of the traditional black steel pipes. Read Also >> What Is The Code For Water Heater Installations? The Massachusetts Department of Transportation may not enter into, renew, or renegotiate a contract with a fuel provider for services on the Massachusetts Turnpike without requiring the provider to offer alternative fuel. 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. If you do have a leak, these fittings are almost always readily accessible for adjustment. Since CSST has a much thinner wall than traditional black iron gas pipe, it should be protected from damage when outside and above ground. Use this button to show and access all levels. As you said, the new CSST is installed like electrical wire. home improvement and repair website. 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. Read More: How to Locate Underground Gas Lines Before You Dig. If you are not able to get CSST tubing and can't handle working with black iron pipe, consider using soft copper. See connectors that are listed CSA according to ANSIZ21.75/CSA 6.27 Connectors for outdoor gas appliances and prefabricated homes (folder #204593) Please find your question and my detailed answer now at the end of the above article on this page. The regulation also mandates that steel and wrought iron pipe be marked with labels reading "Gas" and "ASTM D 2513." What Is The Code For Dryer Vent Installations? Accessible and three or six feet long: The flexible connectors cannot pass through walls, floors, or ceilings, and they cannot be hidden. The code prohibits the use of cast iron pipes in residential gas piping installations. These supports basically hold the flex gas line in place and help prevent unwanted movement of the gas line. Let's get to it! These local governments may have other ordinances or regulatory codes. Each of the cast fittings can be the source of a leak. 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. You can practically tie it in a knot it's so flexible.
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