Is Flex gas pipe code?

CSST is approved for use as a gas piping material in all national model building codes, including the National Fuel Gas Code, the International Fuel Gas Code, and the Uniform Plumbing Code, and is approved for use in all 50 states. U.S. buildings codes currently require ‘direct bonding’ of CSST.

Can gas lines be flexible?

Flexible gas lines are made from corrugated stainless-steel tubing (CSST). These extremely flexible pipes are made from stainless steel and often come coated in a trademark yellow casing, though they can sometimes be black.

Does flexible gas line need to be grounded?

CSST flexible gas piping must be bonded to reduce the risk of damage due to a lightning strike on the home. The most common issue that home inspectors find is the CSST system is not being properly bonded. You can see that the bonding clamp is over the yellow sheathing which will not enable a proper bond.

When did building codes require flexible gas lines?

Building Codes requiring bonding of CSST flexible gas lines came into practice no earlier than 2007. This code came in as a response to damage to flexible gas lines and fires in homes struck by lightning. As you can see, there is a significant multi-year gap in which Building Codes did not require proper bonding of flexible gas lines.

Is there such a thing as a flexible gas line?

Here is a flexible gas line. These are two short pieces of the flexible stainless-steel gas lines. You can practically tie it in a knot it is so flexible. If you have lots of pipes to run, this may be the way to go. © 2017 Tim Carter A flexible gas line is made from thin-wall stainless steel. It’s not durable like traditional black-iron pipe.

What to do if flare on gas line does not match?

If the flare fitting on the flexible stainless gas line matches the size of the flare fitting on the existing gas valve, you can simply screw it on. If the fittings don’t match, one solution is to replace the valve with one that has a flare fitting on one side and a 1/2-inch female pipe thread on the other side.

How do you tighten a flexible gas line?

When you get the right length, use the wrench to fit one of the ends of your flexible gas line first, and then tighten the channel lock. Make it as tight as possible, so as to prevent any possible leaks.

When was the flexible gas line code approved?

This material was approved for residential use in 1988 by the National Fuel Gas Code. Code Approved But…. A flexible gas line is an ingenious method of supplying natural gas to fireplaces, furnaces, cooktops, clothes dryers and any other gas appliance.

Can a flexible gas line be used for a fireplace?

Code Approved But…. A flexible gas line is an ingenious method of supplying natural gas to fireplaces, furnaces, cooktops, clothes dryers and any other gas appliance. Virtually all state and local code authorities permit its use and many contractors are finally embracing it.

If the flare fitting on the flexible stainless gas line matches the size of the flare fitting on the existing gas valve, you can simply screw it on. If the fittings don’t match, one solution is to replace the valve with one that has a flare fitting on one side and a 1/2-inch female pipe thread on the other side.

Can a flexible gas line cause an explosion?

Here is a flexible gas line. These are two short pieces of the flexible stainless-steel gas lines. You can practically tie it in a knot it is so flexible. If you have lots of pipes to run, this may be the way to go.