Furnace Blower Issue

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Old 01-21-13, 09:23 AM
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Question Furnace Blower Issue

Mid-Atlantic Region

Stick Built Split Level Home

Furnace:
Comfortmaker/SnyderGeneral Corporation
Model no. - GUA100A016-1N
Serial No. - 0000246525-N19-0131
MFG Date: 05-86

Fuel: Natural Gas

Thermostat: Payne

PROBLEM:
The Furnace blower does not always cycle normally. From the best I can tell, once the selected temperature is reached (70 degrees), the furnace blower continues to run. The burners do not appear to be lit although I have not actually checked yet so I am essentially assuming this because the temperature of the forced air is cold.

Thanks in advance.
 
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Old 01-21-13, 07:22 PM
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Sounds like your fan limit is failing.



Rust can build up on the burners of these old furnaces and cause a dangerous condition. When was the last time this furnace was cleaned and inspected?
 
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Old 01-22-13, 03:06 AM
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I just purchased the home this past Fall. I will order a service call today.
 
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Old 01-22-13, 09:38 AM
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Furnace man was here, Fan limit switch is functioning normal. Unit is significantly aged and inefficeint. Cleaned the burners and flame detector. House is warming up good so far. Planning to purchase a new efficient HVAC model in the near future.
 
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