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Old 10-16-2004, 04:27 PM   #1
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Leak detector question

Can't say enough grteat things about theis forum. It is a wealth of info!!!!

Just became the proud owner of a 1976 Tradewind. I have been revamping the LP gas system (fixing leaks, replacing lines, etc). My leak detector has no fluid in it (guess the hot california sun, where it lived dried it up). I live in colorado, in the mountains and wanted to put fluid in it so it would be operable. Should I order the glycol solution form a dealer, direct from somewhere or is there a suitable substitute?

Thanks in advance

Ivo
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Old 10-16-2004, 05:34 PM   #2
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I assume you are talking about refilling a squeeze bottle of some sort?

I use soapy water myself since I am looking for bubbles to indicate a leak.

Glycol? What does that do for you?

Tom
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Old 10-16-2004, 06:18 PM   #3
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Quote:
Originally Posted by tcwilliams
I assume you are talking about refilling a squeeze bottle of some sort?

I use soapy water myself since I am looking for bubbles to indicate a leak.

Glycol? What does that do for you?

Tom
Tom,
I would suggest that you visit your friendly HVAC supplier and buy some LP leak detector fluid. The soap can cause corrosion in the long term...and then you will have something else to fix

Aaron
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Old 10-16-2004, 06:20 PM   #4
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On copper? Regular soap? I find that extremely hard to believe.

Tom
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Old 10-16-2004, 06:36 PM   #5
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On copper? Regular soap? I find that extremely hard to believe.

Tom
Most soaps are alkaline which will cause corrosion on copper, spray some on there and leave it for a while, the copper will turn green; a sure sign of corrosion.

Aaron
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Old 10-16-2004, 06:46 PM   #6
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The reason to use glycol leak detector fluid:
1. Glycol can be used inside a refrigerant system.
2. Glycol can carry a flouresing dye that is visible with UV light.
3. Glycol can be used to make a non-feezing leak detector, if you need to use it at temperatures below freezing.

I don't think any of these apply. I would mix a little detergent in some water and use that.
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Old 10-16-2004, 07:03 PM   #7
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Originally Posted by wahoonc
Most soaps are alkaline which will cause corrosion on copper, spray some on there and leave it for a while, the copper will turn green; a sure sign of corrosion.
Aaron,

I appreciate your point of view. Molecularly, you are probably right.

Although none of my joints have turned any other color than they already were (which was not green), I can not believe that a spritz of soapy water spells doom for my copper pipes.

But since you posted a point of view I am not inclined to study further, while I will not advocate soapy water as a leak detector, I will leave my original post as it is with your follow up for others to make their own decision.

Tom
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Old 10-19-2004, 12:47 PM   #8
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Thanks for your reply. I am referring to the leak detector near the propane tanks. It's a small white structure with a red button on top. This is filled with a glycol solution.

Any ideas?

Quote:
Originally Posted by tcwilliams
I assume you are talking about refilling a squeeze bottle of some sort?

I use soapy water myself since I am looking for bubbles to indicate a leak.

Glycol? What does that do for you?

Tom
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Old 10-19-2004, 01:51 PM   #9
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Originally Posted by drivo
... I am referring to the leak detector near the propane tanks. It's a small white structure with a red button on top. This is filled with a glycol solution...
Your leak detector is something I am not familiar with. I'm curious - In what way does it detect leaks? What happens when you push the red button? Can you post a picture?

Sorry to badger you with questions, but I do not recall seeing this topic come up before, and would like to know more.

Thanks,
Tom
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Old 10-20-2004, 07:53 PM   #10
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Don't have a picture and won't be able to post one till next week. By pressing the button, little air bubbles are supposed to appear and dissapate within the glycol after a few seconds. If they continue, you evidently have a leak. I 'm sorry I don't understand how it works. I will try and get more info for you next week

Thanks again

Ivo
Quote:
Originally Posted by tcwilliams
Your leak detector is something I am not familiar with. I'm curious - In what way does it detect leaks? What happens when you push the red button? Can you post a picture?

Sorry to badger you with questions, but I do not recall seeing this topic come up before, and would like to know more.

Thanks,
Tom
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Old 10-25-2004, 02:15 AM   #11
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Leak Transmissions

Quote:
Originally Posted by drivo
Don't have a picture and won't be able to post one till next week. By pressing the button, little air bubbles are supposed to appear and dissapate within the glycol after a few seconds. If they continue, you evidently have a leak. I 'm sorry I don't understand how it works. I will try and get more info for you next week
Thanks again
Ivo


SUGGESTION: Don't forget that leaks also 'transmit'. I found a bad leak right after taking possession of my Excella, and the back bed got constantly wet during any rainfall. I used the garden hose in specific exterior areas, and would look inside to see where it came from---and "VOILA!"...the source of the leak was located. It did NOT transmit...but showed up precisely where it leaked in.
But, remember...not all leaks are so easily located, and while it may show up on the interior in one spot, it may be entering at a completely different location, and 'transmitting' down to where you find the wet-spot.

(I too, would be interested in this 'red' indicator,,,with the "glycol".)

just my 2cents..
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Old 10-28-2004, 09:26 PM   #12
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Here are the pix. thanks for your patience. The red button is on top.
Quote:
Originally Posted by tcwilliams
Your leak detector is something I am not familiar with. I'm curious - In what way does it detect leaks? What happens when you push the red button? Can you post a picture?

Sorry to badger you with questions, but I do not recall seeing this topic come up before, and would like to know more.

Thanks,
Tom
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Old 10-28-2004, 09:37 PM   #13
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Here are the pix. thanks for your patience. The red button is on top.[/QUOTE]
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Old 10-30-2004, 04:13 AM   #14
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