Lennox pulse 21 furnace

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  #1  
Old 11-20-08, 05:55 PM
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Lennox pulse 21 furnace

I have a Lennox pulse 21 furnace and ofcourse it's noisy as hell
outside from the exsaust. mine dosn't have any mufflers on the exsaust and i see they cost about $300. bucks to buy
one (If i can find one )
Does anyone know how hard it would be to make one and
how to do it?
It appears to be no more than a larger size PVC pipe and must have some sort of baffles in it. how hard can it be??
Just can't find any info on the net
 
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  #2  
Old 11-20-08, 10:24 PM
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You can't make one... I don't recall off hand how it looks likes inside of these, and it has been ages since I seen it.

before you go though all this hassle, I would suggest you to have a Lennox Dealer come out and give the furnace a full inspection,and pressure testing.

Lennox had issues with these heat exchanger and should be tested if it has never been done. Also, some times, bad flappers can lead to a very loud furnace..
 
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Old 01-21-09, 09:43 AM
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Lennox pulse 21 furnace mufflers

I just replaced my Lennox pulse 21 furnace. I have two mufflers for someone to use. Let me know if you need them.
 
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Old 03-10-09, 03:41 PM
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do muffler help?

I could use a pulse 21 muffler
 
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