Tiny weep from coupling on baseboard

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Old 10-26-15, 09:14 AM
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Tiny weep from coupling on baseboard

I've got a very small weep coming from a coupling in my living room baseboard. It's been there for a while, I see a spot on the hardwood right under it for the past few years. Aside from draining the system and a replacement of the copper joint, is there any alternative way to get this to seal up? I was going to depressurize the system and apply a coating of JB Weld around the joint.

Comments, suggestions are appreciated! - Tom
 
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Old 10-26-15, 09:27 AM
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As a first line, I guess the JB Weld could maybe work. Clean it up real good, and try it, what's to lose?

Is JB Weld OK for the temperature?

After that, cutting and repairing is really the only other way.
 
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Old 10-26-15, 09:29 AM
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Please post some pix.

Buttering up a leak with JB Weld, or other such products is not likely to be successful and isn't recommended. I would say that if you aren't up to fixing it right, call a plumber. The size of the leak (e.g. "small weep") doesn't really matter - it has to be fixed.
 
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Old 10-26-15, 09:44 AM
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I agree with both of your statements, will get a pic up shortly.
I just don't want to drain the system, purge and put new conditioners in. Such a pain...
 
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Old 10-26-15, 12:22 PM
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I just don't want to drain the system, purge and put new conditioners in.
Hot water boilers should not need any conditioners or other additives.
 
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Old 10-26-15, 04:04 PM
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isn't recommended.
Why not? I've seen JB Weld do some amazing things...

What's the harm in trying? (except for the couple bucks for the glue)
 
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Old 10-26-15, 05:34 PM
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What's the harm in trying?
The harm is that it may likely be a short-term fix, but later the leak reappears, maybe worse, and when it is least expected. Best to fix it correctly now.

As far as avoiding draining the system: even to properly apply the epoxy, the system will have to be depressurized and drained below the elevation of the leak - which is what would have to be done to fix it properly. Wanting to avoid replacing the water conditioning chemicals is a red herring.

J-B Weld is just a 2-part epoxy with marketing that leads one to believe it is like steel.
 
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Old 11-23-15, 01:05 PM
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I have an update on the leak and the fix.

I ran the idea of JB Weld past my local hardware store owner and he shared a story with me regarding some plumbing repairs he made using the liquid steel.

After thoroughly sanding and cleaning the leaky joint, I applied a nice even coat of JB Weld around the seam and let it cure for 24 hrs. The system has been up and running for a week now with no issues. Only time will tell however, the gentleman at the hardware store repaired a weeping water line (50-60psi) several years back and has never had the week come back.

Fingers crossed, the heat and cool cycles makes this application slightly different.
 
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Old 11-24-15, 07:49 PM
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No different than an engine block. We repaired a coolant leak on a tractor block and it lasted 20+ years.
 
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