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What can I do to be safe when I am hooking up a new flex line to an existing gas line which does not have a shut off valve?
Wiki User
∙ 12y ago
Either shut the gas off at the meter or install a valve on the pipe. As long as you don't have an open flame somewhere close to the gas line and have everything ready, you can take the current flex line off and install the valve with little gas excaping. Use pipe dope on the threads of the pipe instead of Teflon tape. This lets you cap the pipe with your thumb while you apply the pipe dope. Then just install the valve and tighten, making sure to hold the pipe so that you don't disturb the next joint further down the line.
Wiki User
∙ 12y ago
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How do you change out a flex line on a natural gas appliance?
I assume there is not a shut off on the supply side of the line. If you are used to working with gas, you can do it with the line charged, but it is probably best to shut the gas off at the main. If there is not a shut off valve where the flex line connects, I would put one there now. Then it is just a matter of changing the line. Do not use any pipe dope or tape on a gas connection, at least on the flex line. This is a flare fitting and does not require it. The valve to pipe connection is a plumbing connection and should have dope or tape on the threads.
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