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Old 11-30-2011, 10:40 PM   #1
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lennox g26 water leak at botttom seam of air combustion blower


flue y trap successfully replaced and that leak stopped, now water leaks from bottom seam of air combustion blower. All hoses are clear. Is there a surface sealer that will work for this?

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Old 12-01-2011, 06:34 AM   #2
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lennox g26 water leak at botttom seam of air combustion blower


Silicone

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Old 12-01-2011, 07:05 AM   #3
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lennox g26 water leak at botttom seam of air combustion blower


the air combustion blower motor gets pretty hot, so silicone can handle the heat?
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Old 12-01-2011, 08:52 AM   #4
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lennox g26 water leak at botttom seam of air combustion blower


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the air combustion blower motor gets pretty hot, so silicone can handle the heat?
yes....use 100% Silicone.....(smells very much like concentrated vinegar). The only way to do it right is to take the assembly off the furnace split the two halves remove any remnants of the old seal, apply a new bead of silicone all the way around put the two halves back together and let it set for 4 to 6 hours to set up (this entire time you have no heat) while your waiting for the silicone to set up its a good time to remove the old gasket from the collector box and apply the new gasket......wait a minute....."were do I get a new gasket ?" you ask...........it comes with a new combustion motor assembly......

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Old 12-01-2011, 11:58 AM   #5
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lennox g26 water leak at botttom seam of air combustion blower


heat it gently for a few mins with a hair dryer (wish I had some hair to dry ) or a heat gun and put some silicone on it and hope it cures or do it in the summer when it is not running. lots of times those leaks seal themselves with water mineral and if you put a pan or towel there and wait a month it may seal itself.
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Old 12-01-2011, 12:07 PM   #6
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lennox g26 water leak at botttom seam of air combustion blower


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heat it gently for a few mins with a hair dryer (wish I had some hair to dry ) or a heat gun and put some silicone on it and hope it cures or do it in the summer when it is not running. lots of times those leaks seal themselves with water mineral and if you put a pan or towel there and wait a month it may seal itself.

Or it may drip on to the main circuit board and short it out.......so I have to ask......"are you feeling Lucky today"?
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Old 12-01-2011, 12:11 PM   #7
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lennox g26 water leak at botttom seam of air combustion blower


Its a DIY save a buck world.



Best bet is to get a new inducer from cozyparts.com and replace it. Those units are NOT repairable and separable as you cannot remove the specially factory pressed/sealed on impeller from the motor shaft. silicone rarely seals them and replacing it is the best option.
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Last edited by yuri; 12-01-2011 at 12:16 PM.
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Old 12-11-2011, 08:05 AM   #8
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lennox g26 water leak at botttom seam of air combustion blower


just installed new 59m03 now water is dripping out of lower seal at tighltly clamped black tubing help please
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Old 12-11-2011, 08:32 AM   #9
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lennox g26 water leak at botttom seam of air combustion blower


post a pic of that. I work on lots of those units and Marty also.
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Old 12-11-2011, 08:53 AM   #10
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lennox g26 water leak at botttom seam of air combustion blower


No pic leak is at bottom of the new flu were it connects to the outlet of the combustion air inducer by a worm gear clamp over a rubber sleeve the clamp is as tight as i can get it
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Old 12-11-2011, 09:05 AM   #11
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lennox g26 water leak at botttom seam of air combustion blower


that is rare and I change lots of them. need to remove the fan and check for a wrinkle/damage to the boot or maybe there is a ridge on fan outlet from manufacturing. you can remove it and dry it and put a thin layer of red rtv silicone on it and reassemble let it cure for several hours. the clamp can get seized up/not tightening properly so you may want to replace it. Hdepot or plumbing supplier for that.

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