Flex Gas Line In Attic

The branch line terminates in a drop line which is a vertical pipe dropping down to the appliance from an overhead branch line.

Flex gas line in attic.

The short flexible connector to your gas fired stove furnace or hot water heater is not csst. Csst easily snakes into attic and basements areas around corners and bends and through walls. This includes the main run up to the furnace in the attic as the house is 2 zone heat ac. However for all of the new runs they used that yellow flexible gas piping.

A flexible gas line is an ingenious method of supplying natural gas to fireplaces furnaces cooktops clothes dryers and any other gas appliance. Csst has been supplied in the u s. Virtually all state and local code authorities permit its use and many contractors are finally embracing it. A lot of the original gas piping is still in the basement.

One brand of csst has a black jacket. With a yellow polymer jacket since the early 1990s. The piping inside the house is called the gas supply line or building line. Branch lines run to individual appliances.

This drop line is called a riser if it carries gas up to an appliance from a branch line below the. 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. Articles like this one get me a bit concerned. Much easier to work than steel pipe uses fewer fittings and weighs a lot less too.

To see if you have csst look for long stretches of yellow jacketed flexible tubing in your basement crawlspace or attic. Home flex corrugated stainless steel tubing or csst is home flex corrugated stainless steel tubing or csst is great for installation of gas appliances. What is the difference between yellow jacketed and black jacketed csst. 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.

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