Flex Gas Line In Attic

Branch lines run to individual appliances.

Flex gas line in attic. Back to top question. With a yellow polymer jacket since the early 1990s. The local fire marshal believes lightning energy traveled through electrical wires in the attic and jumped or arced onto csst punching holes in the stainless steel tubes filled with gas and. Gas flex 3 4 gas tubing pipe kit 33 ft with 2 fittings gasflex natural gas propane 4 4 out of 5 stars 97 lasco 10 1259 flexible coated stainless steel gas range supply line 72 inch 5 8 inch id with 3 4 inch pipe thread fittings.

However for all of the new runs they used that yellow flexible gas piping. One brand of csst has a black jacket. A lot of the original gas piping is still in the basement. In your experience how safe resilient is flexible gas tubing.

What is the difference between yellow jacketed and black jacketed csst. The branch line terminates in a drop line which is a vertical pipe dropping down to the appliance from an overhead branch line. Csst has been supplied in the u s. Csst should not be confused with flexible gas appliance connectors the product that joins a moveable appliance to your home or building s gas supply line.

Virtually all state and local code authorities permit its use and many contractors are finally embracing it. To see if you have csst look for long stretches of yellow jacketed flexible tubing in your basement crawlspace or attic. Csst easily snakes into attic and basements areas around corners and bends and through walls. A flexible gas line is an ingenious method of supplying natural gas to fireplaces furnaces cooktops clothes dryers and any other gas appliance.

The short flexible connector to your gas fired stove furnace or hot water heater is not csst. Much easier to work than steel pipe uses fewer fittings and weighs a lot less too. Articles like this one get me a bit concerned. This includes the main run up to the furnace in the attic as the house is 2 zone heat ac.

The piping inside the house is called the gas supply line or building line.