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Old 09-03-2016, 05:39 AM   #1
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We seem to have a leak

After the last trip we went on and running out of propane, weird in and of itself since we weren't running any heat or doing a lot of cooking inside. We replaced the propane and the regulator and tried to run down any possible leaks, couldn't find one so put the issue to bed as solved. Well that isn't the case, got woke up last night with another alarm. Chole' gets to go the shop for a diagnosis and repair. The only thing we can think of is the the lock box we put in beside the furnace, we run in some long screws and possibly one of them may have rubbed the line until a hole was created.
Depending on the cost of the repair, we may have to cancel our Oct trip.
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Old 09-03-2016, 06:44 AM   #2
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If you have a squirt bottle that you put some soapy water in, you can use that to test for your leak. Can you see where the screws that you put in came out? I am assuming that your furnace is plumbed with 3/8 inch soft copper. It is possible a screw put a hole in that. If you can get some soapy water on it, you can tell very quickly if there is a leak. I a leak will show up as making large bubbles, (sort of like a kid with bubble gum).

If it is a hole in the copper line, normally those would be installed with flare connections. It would not be that hard to replace that line. Some hardware stores will sell the soft copper by the foot, (you should use Type L for propane). Also, this is behind the regulator, so the pressure is very low at that point, but still type L is the only thing allowed for propane, (in other words, you should not use the thin wall stuff). Also, I know you buy a 10 foot roll of the stuff pretty cheap.

If you do not have a flare tool, you can get a cheap one if you are only going to use it on soft copper, (the cheap ones don't do so well on the larger lines or steal lines). So, I guess I am attempting to encourage you not to let this get in the way of your trip.

Now, you do need to feel very confident that if you make the repairs you do not have a leak. You have to really tighten the flare nuts down, but there is just not a lot to it. You can watch a few videos on You Tub on how to flare a line. There are a number of them out there.

Also, just remember there are not a unlimited number of places you can have a propane leak inside. You can think through that and find the leak with a little work. Again, you just need to be absolutely sure that everything is repaired before you use the camper with the propane on.
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Old 09-03-2016, 06:54 AM   #3
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Just a guess if you put a whole in the copper line, go to Ace and buy 2 1/4" kits that come with the compression fittings and a short male to male coupler. cut the line and install in between the cut. Be as good as new, it will take longer to find it then repair it. Live near Clarksville Va. or passing close by, Bring it here I'll do it for you..
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Old 09-03-2016, 07:26 AM   #4
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Quote:
Originally Posted by Witch Doctor View Post
Just a guess if you put a whole in the copper line, go to Ace and buy 2 1/4" kits that come with the compression fittings and a short male to male coupler. cut the line and install in between the cut. Be as good as new, it will take longer to find it then repair it. Live near Clarksville Va. or passing close by, Bring it here I'll do it for you..
Never use compression fittings with copper gas lines. Never! You must use flared fittings. Compression fittings tend to lose their seal with minimal movement and vibration - flared fittings do not.

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Old 09-03-2016, 07:37 AM   #5
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Agree, only flare is approved for propane in an RV.
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Old 09-03-2016, 07:43 AM   #6
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Agree, only flare is approved for propane in an RV.
It's not just an RV thing. It's an NFPA regulation for all copper fuel gas lines.

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Old 09-03-2016, 12:37 PM   #7
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Quote:
Originally Posted by Witch Doctor View Post
Just a guess if you put a whole in the copper line, go to Ace and buy 2 1/4" kits that come with the compression fittings and a short male to male coupler. cut the line and install in between the cut. Be as good as new, it will take longer to find it then repair it. Live near Clarksville Va. or passing close by, Bring it here I'll do it for you..
DO NOT use compression fittings on any propane or other gas lines. You can buy a flare coupling so you can simply cut out the spot where the leak is (assuming you can get to it with enough room to work). The coupling and two flare nuts and you should be good to go, less expensive than having to replace the entire copper line.
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Old 09-03-2016, 07:10 PM   #8
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It has also been suggested that the fridge is not switching over to electric when we plug into shore power..or a dirty burner for propane on the fridge
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Old 09-03-2016, 07:31 PM   #9
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You posted "Well that isn't the case, got woke up last night with another alarm."

Is this to say the gas alarm was warning you?? AGAIN?? Then by all means get this into a qualified shop to get fixed. Not something to "learn on".

Sometimes DIY is just a bad idea.
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Old 09-04-2016, 05:50 AM   #10
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And sometimes you don't know until you exhaust all other possibilities.
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