How long can a flex gas line be?
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Three- or six-foot long and accessible: The flexible connectors can't go through walls, floors or ceilings, nor can they be concealed. The flexible connector length usually is limited to 3 feet except for gas ranges and clothes dryers. For these appliances, 6 feet generally is allowed.
Video answer: How to install csst fittings
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The average cost to install a gas line for a kitchen stove is $15 to $25 per linear foot. Total costs range from $200 to $1,000 or more depending on the length of piping needed to connect to the main gas supply, which typically averages 30′.
There are two types of tubing most people think of, when you say "flexible gas tubing". The first and more common, are flexible gas connectors. These guys are typically 3-6' long, and are used to connect appliances to the gas piping.
In respect to this, how long can a flex gas line be? The flexible connector length usually is limited to 3 feet except for gas ranges and clothes dryers. For these appliances, 6 feet generally is allowed.
This is two different pictures of two different houses. In both houses the yellow flexible gas line is over 6 feet. Now I know in school they taught us that these yellow flexible gas lines should be going through walls and also shouldn't be longer than six feet.
The flexible piping you are all talking about is called CSST piping. It is costly, about $3.50/ft, and I can't find it at Home depot or Lowes in anything longer than 6/ft. I have found it online and the smallest roll I can get is 100 ft. That's $350 worth of pipe for a job that requires half of that (50ft).
How to Install HOME-FLEX CSST Flexible Gas Pipe - YouTube.
The flexible gas line you are referring to can be purchased in 7 foot lengths also. May not be common or common in your area but are available. If 7 feet isn't long enough, you'll need to extend the supply pipe (usually 1/2 inch iron pipe) to where the dryer will be located.
In short, flexible gas lines are perfectly safe as long as they’re properly installed. A CSST that is not correctly grounded or bonded can leak natural gas or become ignited, leading to a major fire hazard. Let’s look at exactly why that happens: CSST is extremely thin compared to the traditional 4 mm black pipe.
Three- or six-foot long and accessible: The flexible connectors can’t go through walls, floors or ceilings, nor can they be concealed. The flexible connector length usually is limited to 3 feet except for gas ranges and clothes dryers.
"A flexible gas line is made from thin-wall stainless steel. It's not durable as a traditional black-iron pipe. Lightning has caused many house fires that have flexible gas lines." Revised January 2021. Flexible Gas Line TIPS. Flexible gas lines are safe so long as you have little lightning; Not as durable as traditional black iron
Video answer: Home-flex underground gas pipe install
