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Old 03-31-2008, 05:07 AM   #1
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LP gas Lines


Hi Everyone,
I plan on running LP gas in my new home. My plan is to run 1/2" soft copper inside PVC under the slab and making all connections above ground.
Anyone see a problem with this. It will be for a water heater,and stove. No heat.
Thanks
Billy

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Old 03-31-2008, 01:13 PM   #2
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LP gas Lines


I would check with your loacal Plumbing Code office or gas company. Most gaslines are required to be steel lines after entering the foundation. Since I have seen copper waterlines leak after a period of time, I don't think I would want gas lines leaking.

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Old 03-31-2008, 03:12 PM   #3
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LP gas Lines


I've seen many more galvanized lines leaking then copper lines. That's besides the point though.
Almost everywhere your gas needs to be in black pipe or some form of approved flex which only a licensed installer can use.
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Old 03-31-2008, 05:23 PM   #4
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LP gas Lines


Florida was the only place I saw approving galvanized for gas although I now hear about other places. Most gas lines that are underground and are metal, must be welded. I have seen the new plastic and understand that a class must be taken to be licensed to install it.
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Old 03-31-2008, 05:29 PM   #5
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LP gas Lines


Galvanized or painted black pipe is what used to be used underground. In NY I think galvanized is still approved although I don't know anyone who has done it recently. The plastic pipe might not be allowed under a slab. Your best bet is to call your local building inspector and inquire.
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Old 03-31-2008, 08:52 PM   #6
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LP gas Lines


Quote:
Originally Posted by BillyD View Post
Hi Everyone,
I plan on running LP gas in my new home. My plan is to run 1/2" soft copper inside PVC under the slab and making all connections above ground.
Anyone see a problem with this. It will be for a water heater,and stove. No heat.
Thanks
Billy
Bad idea. This violates several model gas codes in several ways, not the least of which is a buried line within the building perimeter. Also, all buried lines run in a sleeve must have the sleeve sealed at both ends and vented at both ends.

This is not a DIY project. Get a licensed professional to run these lines for you. The money you are trying to save is not as great as you think it might be and the lives you save may be your families.

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