Outdoor wood boiler leak

Old 01-23-11, 06:10 PM
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Outdoor wood boiler leak


I put radiator stop leak in my outdoor boiler!! I thought it was boiler stop leak...now what??

There is a pinhole leak on the top of the firebox....
Old 01-24-11, 10:02 AM
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Unless you are combining it with a high pressure device(condensing boiler) in your system NOTHING, other then it might stop the leak for a little while. All openings on a boiler for water flow will probably be larger then most openings in a car cooling system. But I would think you should weld that pinhole instead and check the condition of the rest of the box.
Old 01-24-11, 02:35 PM
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If you have propylene glycol in the system i will bet nothing will stop it from leaking.
I find it is about the hardest thing to seal.
If your boiler sections are cast iron, you gonna need a good welder to fix it, and even then I doubt it will ever work.
Old 01-24-11, 08:30 PM
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From what Ive heard from the ppl at work that have had o/d boiler leaks, it pretty much always ended up welding a plate in. Summer job of course, nasty one too. Dump the water, clean out the box, crawl in, grind out a nice area to plate, then weld in there.. lol (and mind the fresh air, dont wanna die in there). You better get some seriously premium steaks if you're gonna con a buddy into doing it.

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