Catherine Scott Posted January 24, 2011 Report Share Posted January 24, 2011 [:-weepn] My furnace comes on every 4 minutes and runs for 4 minutes is this normal. And how old is my furnace as I have no idea Quote Link to comment Share on other sites More sharing options...
Marc Posted January 24, 2011 Report Share Posted January 24, 2011 Not normal. When the furnace comes 'on', do the main burners fire up or is it just the blower that comes on? Marc Quote Link to comment Share on other sites More sharing options...
Mark P Posted January 24, 2011 Report Share Posted January 24, 2011 If you post the model and serial number someone can tell you how old it is. Quote Link to comment Share on other sites More sharing options...
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