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  1. #1
    Join Date
    May 2000
    Location
    Indianapolis, IN, USA
    Posts
    33,429
    This poor GMPN-4 barely lasted 3 years. In its defense, the duct system was slightly undersized but that describes most of the new homes around here. If every other unit failed like this, we'd need 30 more companies to change them. Hopefully the tubular will hold up better on the new models.


  2. #2
    Join Date
    Jan 2002
    Posts
    1,503
    What was the original complaint/problem? Or was it a seasonal "check & clean" PM?

  3. #3
    Join Date
    Jan 2004
    Posts
    6
    janijunks earned their lousy reputation, one unadmitted problem they have had is the blower comes shipped from the factory lacking being COMPLETELY pushed back into the compartment. it lacks 3/8 of an inch from being seated completely, temp. rise will be okay but will cycle on limit, if unknown by serviceman it can be totally missed.
    voice of alot of time, installs, and experience!! cringed every time the boss sold one. it will not get enough airflow thru the furnace without it being shoved all the way back. this problem probably has been corrected with the new style heat exchangers and design. no longer installing.

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