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Old 05-05-2011, 03:32 PM   #1
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1959 24' Tradewind
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Flexible gas lines

Hi,

I cannot seem to get off the *&^ dime on this gas project and its driving me nuts. Now the person helping me says "why not use better than copper use a flexible line" and now I can't get any info on what to use and where to buy. I
would love to use a flex line pipe or what ever you call it but want to make sure I buy and stall the right kind! Help !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
I don't mind spending more for it so don't let cost be the issue I just want it done and done right.

Thanks!
Betsy
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Old 05-05-2011, 06:48 PM   #2
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I would be interested in what you find out. I used flexible on my 1973 and the RV techs at two different companies told me to change it out with copper. They told me it is not code and it will eventually crack. You would think in this day and age they would have developed something.

Brian
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Old 05-05-2011, 07:36 PM   #3
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I have read this elsewhere about flexible gas lines. I'm sure there is some type of steel braided hose that would meet the requirements for low pressure gas supply in an RV. We use all kinds of hoses in aviation. Not sure of the code requirements. I'm sure Lewster can help you out.
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Old 05-05-2011, 07:36 PM   #4
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Betsy,

The flexible stuff is good in certain applications such as in your house with gas appliances—they don't shake, jump, bump and vibrate. I think it's just plastic pipe with a woven steel covering to protect it from banging, nailing and kicking. Every time you move or disconnect the gas stove or dryer or waster heater, you are supposed to get a new one. I doubt many people do, but you are supposed to. They are great because you don't have to run gas pipe perfectly to the appliance and you can move it into the right place after you have connected the flexible line.

But on an RV—no.

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Old 05-05-2011, 07:38 PM   #5
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Quote:
Originally Posted by Top View Post
I have read this elsewhere about flexible gas lines.
I didn't see anything—wrong thread?

Gene
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Old 05-05-2011, 07:45 PM   #6
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See posts 691-693.

Quote:
Originally Posted by clancy_boy View Post
Yep, not to be used where they are exposed to excessive vibration.
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Old 05-05-2011, 07:51 PM   #7
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The only flex line allowed in an RV is between the tanks and the copper line - and thats a rubber line made specificallly for that purpose - BIG no no anywhere else - I amazed how much I've seen it on old Airstream though...

Frankly I would get someone who knows what they are doing - it requires special flaring tools.

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Old 05-05-2011, 07:59 PM   #8
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Here is a link to some previous questions about flexible lines.

Also: for wheel well trim - look under J-caps at Brunner Enterprises
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Old 05-05-2011, 08:02 PM   #9
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flex gas line

Thanks, you are all seriously priceless!!!!! I was wondering why its so hard to find and now I know, its not to be used. I have the copper and I'll go with that.

Betsy
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Old 05-05-2011, 08:16 PM   #10
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Quote:
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See posts 691-693.
Found it. Since I have 100 posts/page, it came out on a different one than the link.

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