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Old 05-11-2009, 11:47 PM   #16
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PVC line on natural gas line for BBQ


I doubt if the PVC is large enough to be feeding copper through.

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Old 05-12-2009, 07:55 AM   #17
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PVC line on natural gas line for BBQ


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Gas under concrete in our area must be sealed at both ends and vented so that no gas may build up under the concrete in the event of a leak. You can check with your local inspector for your local regs.
Possible I would still look into it if he can.
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Old 05-12-2009, 07:59 AM   #18
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PVC line on natural gas line for BBQ


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Originally Posted by majakdragon View Post
I doubt if the PVC is large enough to be feeding copper through.



Never know until the op replies back , most outside grills only need 3/8 '"

seamless no fitting copper flared at the grill.

Doubt, Doubt, Doubt, I don't know why I can't get anything done around here.

O that's why
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Old 05-12-2009, 11:05 AM   #19
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PVC line on natural gas line for BBQ


SULTINI, it doesn't take a genius to read the OP's question and realize that the PVC line is the supply line. Ever seen anything much larger than 1/2" for a gas supply? Now tell me how he is going to feed copper through that and then make connections.
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Old 05-12-2009, 11:34 AM   #20
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PVC line on natural gas line for BBQ


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Originally Posted by majakdragon View Post
SULTINI, it doesn't take a genius to read the OP's question and realize that the PVC line is the supply line. Ever seen anything much larger than 1/2" for a gas supply? Now tell me how he is going to feed copper through that and then make connections.

Did any body say the line was 1/2" ?? I don't recall, sorry if they did.

The existing line sounds like it's flexible, ever see 3/8" refrigeration copper??

Any thing is possible, it might be a straight run under the concrete I don't know all the details.
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Old 05-12-2009, 01:16 PM   #21
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PVC line on natural gas line for BBQ


Sorry, but I am basing my thoughts from 35 years of doing Plumbing, both residential and industrial. OP stated that his current PVC pipe was the gas supply to his old BBQ. This tells me that it isn't more than 1/2" and probably 3/8".
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Old 05-12-2009, 03:08 PM   #22
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PVC line on natural gas line for BBQ


Been in the business 25+ & I have seen & run 3/4 lines to gas grills
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Old 05-12-2009, 07:38 PM   #23
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PVC line on natural gas line for BBQ


Kenmac, you may have run 3/4' but not often since it is not typical. Have you ever tried to thread 3/8 or 1/2" soft copper tubing through it? Even doing this with 1" would be very trying.
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Old 05-12-2009, 08:04 PM   #24
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PVC line on natural gas line for BBQ


I'm not a gas man. I'm an electrician and have fished lots of pipe!
The OP said that the pipe is PVC and is inflexible. If so, it will likely have an elbow or two along the way and there's no way the copper can be pulled through an elbow.
It may be possible to open up the concrete and cut the elbow(s) off and run copper through the PVC (if its of sufficient inside diameter)
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Old 05-12-2009, 09:14 PM   #25
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PVC line on natural gas line for BBQ


Years ago,I inserted 1/2 tubing through a st. run of 3/4 pipe more than once.We don't know if he has a st. run,xx# ells,xx# couplings,etc,.If I remember correctly.........The op asked for suggestions with out having to break up his concrete & I provided one, Nothing more than a suggestion.Can he do it ?? don't know. But, I would try b-4 I broke up concrete.. All of this is null & void at this point as, I think he said he found a way to repair the line



Have a Good evening
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Old 05-12-2009, 09:28 PM   #26
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PVC line on natural gas line for BBQ


PEX stands for cross linked polyethylene, NOT cross linked polystyrene, which is a completely different product, not generally used for piping.
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Old 05-12-2009, 10:04 PM   #27
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PVC line on natural gas line for BBQ


Kenmac. I am guessing he has the plastic line made for gas services since he talked about the weird connector. These are usually a crimp/press fitting that are required to be done by a licensed tech. There are many unknowns in this post.
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Old 05-13-2009, 07:57 AM   #28
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PVC line on natural gas line for BBQ


He says it's PVC & approved for gas. I Worked for gas utility once. Never used or saw any PVC gas lines
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Old 05-13-2009, 10:01 AM   #29
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PVC line on natural gas line for BBQ


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PEX stands for cross linked polyethylene, NOT cross linked polystyrene, which is a completely different product, not generally used for piping.
Sorry Daniel, I should have said polyethylene as you say. I use so much polystyrene at work that I am stuck with that. Both quite different than PVC.

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