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Old 05-14-2006, 09:51 AM   #1
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1965 17' Caravel
Aldergrove , British Columbia
Join Date: Apr 2006
Posts: 16
Replacing Gas Lines?

Does anyone have info regarding LP Gas line replacement?

Mine were removed to complete floor work ('65 17' Caravel) and after close inspection, I realized they were trashed - some must have dropped off the belly at some point as they look "dragged", some are kinked, and we have new(er) appliances with slightly different fitting locations.

Is Copper the only option? Is it "gas" rated or just plumbing pipe? Where can you source fittings. I would take it to an inspection facility prior to ignition...


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Old 05-14-2006, 12:06 PM   #2
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Most Airstreams use an LP rated copper tubing for the gas supply piping. Many MoHo's use black iron piping also, but that would add a lot of weight to an A/S. The connections are all flair fittings with double flairs at each end. Be careful that the copper tubing is rated for LP use and not the stuff that you would use in a water system. Make all of your bends smoothly with a tubing bender and be careful not to put any kinks in the lines. Pressurize the system with air when you are done as a test and check EVERY joint and connection with a 50/50 mix of Dawn and water as a bubble solution.

It's not very hard to do....just takes a little practice in getting those double flairs correct. Be careul not to over tighten those fittings also. Get them hand tight and then wrench them 1/3 of a turn, or 2 flats on the nut. They are easily distorted! And NO THREAD SEALANTS either .

Lew Farber...RVIA Certified Master Tech...ABYC Certified Master Marine Electrician
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Old 05-14-2006, 09:21 PM   #3
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1965 17' Caravel
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Cheers Lew - all good advice!
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