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Old 07-30-2011, 02:05 PM   #1
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1972 25' Tradewind
San Diego , California
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Suburban furnace trying to kill me?

Yet another furnace question.

Following some great posts here, I pulled the burner unit out of my Suburban nt-20 I think (in a 72 Trade Wind) and replaced the rubber exhaust tube, gave it a brief inspection and reinstalled. The furnace looks very clean and not much used.

Everything works great *except* for the smell when it runs. With pilot only, there is no problem. As soon as it lights and blows it's very gassy. That's what lead me to replace the exhaust tube.

That said, I'm trying to avoid all out replacement if I can.

What have I missed?

Thanks folks.
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Old 07-30-2011, 02:28 PM   #2
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2012 25' FB Eddie Bauer
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Virginia Beach , Virginia
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San diego

If your unit has spent most of it's life in the south west, then perhaps the furnace is virtually unused.

Most of them really stink when you first light them, so I suggest lighting it, letting it run for 45 minutes or so, then shutting it off, waiting 5 minutes and restarting it.

It might be fine after it's been run.

If not, I'd suggest getting a pro to look it over. This is one appliance that CAN kill you - so having it fixed right is definitely worth the money.

Paula
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Old 07-30-2011, 02:32 PM   #3
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Thanks Paula, I'll give that a shot in the driveway with the windows open! Admittedly, I've only run it briefly a few times. I see no obvious reason why it should be bad.

Thanks
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Old 07-31-2011, 07:14 AM   #4
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Lewster notes that he does not work on units past 15-years of age due to liability as an RV tech. Another AIR member notes that he has removed the furnace at least once in order to overhaul (new gaskets, multiple adjustments).
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Old 07-31-2011, 11:21 PM   #5
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1972 25' Tradewind
San Diego , California
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Quote:
Originally Posted by REDNAX
Lewster notes that he does not work on units past 15-years of age due to liability as an RV tech. Another AIR member notes that he has removed the furnace at least once in order to overhaul (new gaskets, multiple adjustments).
Thanks. I suspect that if the running it for a while trick is a fail that it will simply have to be replaced as it is getting to be too old to trust...
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