Q&A for How to Cap a Gas Line

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  • Question
    If there is a vacant or abandoned natural gas line near my home, could it be dangerous? How close to it can a fire be lit?
    Community Answer
    No, it isn't dangerous if it's actually abandoned. If you smell any gas, then get the utility to address it properly. Don't go within 20-feet of the line with any open flame.
  • Question
    I am using Pro-Flex gas line, can I bury it underground?
    Community Answer
    No. You need thick-walled threaded pipe for most anything that's concealed. The Pro-Flex may not even stand up to an unknowing gardener's shovel.
  • Question
    Can I just shut off a valve that goes from my house to my grill to remove it safely?
    Community Answer
    Yes, but make sure you cap it also, as a person could turn it on by accident.
  • Question
    How do I cut an oven gas line to recap it?
    Community Answer
    You can't cut into a flex pipe, so you need to go beyond that and just under the shut-off valve; you can cap it from there. Make sure to turn off the main valve on the meter!
  • Question
    How do I cap a gas line in my bathroom wall?
    Community Answer
    Wrap Teflon tape around the thread of the cap five times. Use yellow Teflon tape, which is rated for gas. You can also use Teflon pipe dope. Apply the dope evenly on the threads on the gas line. Do not use the dope and tape together. Use the appropriate cap. If the pipe is brass, use a brass cap.
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