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    AaronL Posts: 20, Reputation: 1
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    Jun 27, 2013, 01:00 AM
    Extending gas line underground from backyard BBQ to new fire pit
    I want to install a new natural gas line in my backyard to supply a new, built-in fire pit.

    I'm located in Huntington Bach, CA.

    I currently have a BBQ island with a gas supply line from the meter directly to the island, approximately 75 feet. A stub out was provided on the side of the island for future use.

    I want to install a new gas line to supply the fire pit, approximately 25 feet from the BBQ island. I have dug a trench 18" deep for the line to run from the stub out to the fire pit. I have decided to use a manual, key operated gas valve and stainless H-shaped burner for the fire pit.

    What supply line materials, fittings, and valves should I use for this installation? I have read about yellow polyethylene piping (needs tracer wire), CSST piping (although it says must be protected if buried), and plain black iron covered in tape. I have read that the polyethylene fittings are quite expensive, but I'be been told to expect a materials price of $100-150 for the job.

    I'd also like to add a timer to the valve.

    Can any plumbers or experienced DIYers offer some advice?

    Thanks,
    Aaron

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