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Old 12-13-2009, 09:50 AM   #16
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You need to have the collector box replaced and it is a very expensive job. With the age of that furnace the heat exchangers are failing (getting pinholes from corrosion) and that will cause you to have ongoing pressure switch tripping problems. Your choice about fixing it but it is heading for the last roundup.

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Old 12-13-2009, 12:39 PM   #17
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Yea that isn't worth it. It's a pretty old furnace. Anyways, I was just trying to let this thing run temporary and will need a new one. Now the problem is, the flames come and go with clicking sounds. Finally the blower turns on and I get air, but the flames are not on. It shuts off after a while. Is it now the problem of pilot?
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Old 12-13-2009, 01:05 PM   #18
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The pilot and the draft is incorrect due to the problems with the collector box and broken drain pipe. Sorry
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Old 12-13-2009, 01:12 PM   #19
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If it was a pilot problem. The gas wouldn't ignite.

Your trying to do everything, BUT fix the furnace.

Either bite the bullet and fix this one right. Or get a new one.
DO NOT rig it.
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Old 12-13-2009, 02:49 PM   #20
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What furnace do yall recommend? I will get some estimates. What is the price range of a new furance? Something cheap and reliable.
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Old 12-13-2009, 03:01 PM   #21
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Any brand that a good contractor installs. Any brand installed poorly, is a bad furnace.
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Old 12-13-2009, 03:05 PM   #22
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Cheap and reliable are oxymorons. No such thing.
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Old 12-14-2009, 05:36 PM   #23
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I've narrowed it down to Trane, Lennox, and Carrier. My Carrier is about 22 years old. Not a single problem since recently. So I'm really thinking of getting that. But I don't know anything about the other two. Lennox and Trane. Trane is a bit expansive when comparing it with Lennox. Anyone know why? Also, what have yall worked with and what has a good reliability? Thanks.
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Old 12-14-2009, 06:26 PM   #24
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If I am not mistaken, that secondary heat exchanger has a lifetime warranty. I suspect the drain spud on the steel collector box rusted out and came loose. The Collector box is replaced with a high temp plastic replacement. I suggest having the secondary heat exchanger inspected because most of them are bad, the polypropylene coating washes off causing the secondary to rot. If the heat exchanger is found to be bad it may be replaced under warranty for a labor charge. It typically takes 2-3 hours to replace. The new heat exchanger also comes with a new collector box. I would replace the furnace if you want a new unit with a warranty.Otherwise you won't gain much more efficiency by replacing the furnace.
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Old 12-14-2009, 06:39 PM   #25
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This is a 22 year old furnace, I doubt there is any warranty left. Also, which furnances qualify for tax credit? Does it have to be 95%? I am thinking of getting this 90% goodman installed for about $1500. Will it qualify for tax credit? Thanks.
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Old 12-14-2009, 07:35 PM   #26
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90% doesn't qualify.

Min 95% to qualify.
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Old 12-14-2009, 10:14 PM   #27
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Is $1500 for a goodman 90% efficiency, a decent price?
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Old 12-14-2009, 11:03 PM   #28
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As a DIY site. Install cost/fees aren't talked about.
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Old 12-18-2009, 10:44 PM   #29
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So got the Goodman furnace installed and everything is back to normal. The problem was the pvc pipe that bought the fresh air in had ice in it. That's why there was water coming out from that spot.

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