Question about Cross Furnace Draft Inducer Blower 115 Volts Fasco # A064

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16 year old Heil 75K btu furnace, some times does not ignite.

Sometimes I hear the system trying to fire up but no ignition and pilot flame does not come on. Then I have to manually ignite the pilot flame near the spark plug to get the burner to start burning. Most of the time it fires up on its own. Where does the natural gas go when it fails to ignite ? Do you think I need to replace the ignitor assembly or do you think I should get a new furnace ?

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  • Anonymous Feb 01, 2009

    I have a Heil CUGI100AF01 about 17 years old. The tstat calls for heat but the furnace does not start. then after a while (eg 1 hour)the furnace turns on and warms up house until tstat is satisfied. The furnace does not cut out in the middle of warming house - it runs to completion as expected. If needed it will turn on again on the next tstat call and repeat. Then eventually it get into this lock mode.

    However, if I open the furnace bottom cover or turn off power, then the furnace restarts as expected and warms up house.

    This problem happens intermittently in cold weather.

    What I do notice is that when the furnace turns on I hear a click-click-click then the burners ignite. Should I be hearing this clicking sound?

    Furnace has never had a repair. Is there some basic stuff I can do to diagnose or clean? I've read about flame sensors etc...


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I have a heil gas package unit and it will not ignite at all. Model pgaa36d2k3
what do I need to do?

Posted on Aug 02, 2012

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Where do you have your anticipator setting at for the thermostat

Posted on Jan 16, 2009

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Recommend getting a carbon monoxide indictor or having some one test it. with it being over 15 yrs old if checks good replace ignitor assy should fix it ok

Posted on Jan 12, 2009

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