Can you put two hoses together? Because the CSST snakes its way around bends and obstructions as one solid piece of tubing, you only have a fitting at each end of the line. If CSST is installed along drywall or in some area where nails may be used, it needs to be protected with metal plating. 404.6 Underground penetrations prohibited. Keep reading to learn some of the most important code requirements for flex gas lines and to see the common manufacturer instructions for CSST installations. The requirements of IRC's Chapter 24 do not apply in a municipality, county or parish that has not adopted its provisions. " (3) A listed connector in compliance with ANSI Z21.24, Standard for Connectors for Gas Appliances. Copyright 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. CSST Installed Above Ground Exterior to a Building | Mass.gov We perform original research, solicit expert feedback, and review new content to ensure it meets our quality pledge: helpful content Trusted, Vetted, Expert-Reviewed and Edited. (b) Install or cause to be installed a gas appliance in a residence. There's no where in gas code that says flexible gas connectors are illegal to a hot water heater in Mass. (Reference Massachusetts General Laws Chapter 6C, Section 75 and Chapter 90, Section 1). If you have an older home with CSST, it is important to verify that the electrical bonding and grounding exists and is working properly. All rights reserved. Have run thousands of feet of Gal piping for gas in exterior applications, cold gal your exposed threads on joints. Mass.gov is a registered service mark of the Commonwealth of Massachusetts. All agencies must purchase the most economical, fuel-efficient, and low emission vehicles appropriate to their mission. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Subscribe to the FREE Ask the Builder newsletter to receive professional advice for your home. In short, flexible gas lines are perfectly safe as long as theyre properly installed. pagoda | Dec 19, 2006 09:54am | #4. Sign up to my newsletter to receive expert advice for your home! 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. The International Residential Code doesn't specify the wire to be used for bonding, but it ismost commonly a #6 AWG copper conductor and installed where the solid gas pipe gas line first comes into the home. Please limit your input to 500 characters. Soft copper is approved for interior residential gas piping in many cities and towns. She has written extensively for publications and websites in the business, management and legal fields. problems contact webmaster@doityourself.com. 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. Is it Easy to Install Additional Gas Lines? A device placed in a gas line for reducing, controlling and maintaining the pressure in that portion of the piping system downstream of the device.