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Posted by Barry on April 10, 2007, 7:52 pm
On 10 Apr 2007 16:07:30 -0700, "Molly Brown"
>The "fire box" (heat exchanger) for the furnace of package unit model
>number PGB030050-1 made by Goodman Manufacturing may have a tendency
>to crack due to a manufacturing, design, or both defect.
>Since the replacement fire box (heat exchanger) comes with an "air
>baffle" (37012-53S), re-directing the air flow on to the heat
>exchanger, possibly to cool it more to prevent it from over heating
>and cracking so soon; the flaw may be in the design or it may be a way
>to try to get the fragile heat exchanger to last longer. If you have
>a Goodman PGB030050-1 package unit the fire box will need to be
>checked every time the unit is serviced. Furthermore, a repeated
>cracking and replacement of the heat exchanger will cause the
>auxiliary limit switch to eventually over heat and fail as well.
HEY I KNOW MOLLY BROWN !!!!! And she certainly does have a
crack in her fire box (heat exchanger). And is it ever good !!! No
repair needed enjoy as is. She doesn't even mind if it's red tagged.
Barry
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