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Subject Author Date
heat exchanger noise pa appel 03-03-2007
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Posted by pa appel on March 3, 2007, 3:46 pm
10 year old Armstrong gas forced air furnace makes a muffled boom
noise 10-15 seconds before blower turns off after a heating cycle.
Service man states its the heat exchanger. Company will warranty the
part but not cost to replace $200-$300 labor. Have been told its not a
safety issue but an asthetic one. Any thoughts on this? Thanks in
advance, Jim


Posted by Bubba on March 3, 2007, 4:10 pm

>10 year old Armstrong gas forced air furnace makes a muffled boom
>noise 10-15 seconds before blower turns off after a heating cycle.
>Service man states its the heat exchanger. Company will warranty the
>part but not cost to replace $200-$300 labor. Have been told its not a
>safety issue but an asthetic one. Any thoughts on this? Thanks in
>advance, Jim

Hey, if you want a warranty heat exchanger installed for $300 so it
looks pretty.........that's up to you. Just make sure you change the
thermostat and wiring to make it run more efficient.
Bubba

Posted by on March 3, 2007, 4:14 pm

>10 year old Armstrong gas forced air furnace makes a muffled boom
>noise 10-15 seconds before blower turns off after a heating cycle.
>Service man states its the heat exchanger. Company will warranty the
>part but not cost to replace $200-$300 labor. Have been told its not a
>safety issue but an asthetic one. Any thoughts on this? Thanks in
>advance, Jim

        Yep.

        You want advice from a bunch of strangers on the Internet who
have never seen YOUR furnace, nor had a chance to diagnose it ????

        Bwahahahahahaha !!!!!!1

        'Muffled boom noise' tells us NOTHING. The cause could range
from the trivial to the life-threatening, with several steps along the
way.

        No one, I repeat NO ONE, can offer an INFORMED DIAGNOSIS from
their desk hundreds or thousands of miles away. On the other hand, if
you want a bunch of bullshit and SWAGS and self-proclaimed 'experts'
pontificating from their armchairs, you have come to the right place.


--
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Posted by on March 4, 2007, 9:46 pm

> 10 year old Armstrong gas forced air furnace makes a muffled boom
> noise 10-15 seconds before blower turns off after a heating cycle.
> Service man states its the heat exchanger. Company will warranty the
> part but not cost to replace $200-$300 labor. Have been told its not a
> safety issue but an asthetic one. Any thoughts on this? Thanks in
> advance, Jim


My thoughts are "not likely"...

...it'd be a new one in the book if it were true.



Posted by Zephyr on March 5, 2007, 12:42 am
In the older days, heat exchangers might "oil can", but I haven't heard on
doing that in many years. I'd bet it's something else. Check to see if the
blower wheel is tight to the shaft. Or something ....

--
Zyp
>
> > 10 year old Armstrong gas forced air furnace makes a muffled boom
> > noise 10-15 seconds before blower turns off after a heating cycle.
> > Service man states its the heat exchanger. Company will warranty the
> > part but not cost to replace $200-$300 labor. Have been told its not a
> > safety issue but an asthetic one. Any thoughts on this? Thanks in
> > advance, Jim
>
>
> My thoughts are "not likely"...
>
> ...it'd be a new one in the book if it were true.
>
>



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