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DIY Home Repair Forum: HVAC 01-24-2013, 09:37 PM
Replies: 9
Views: 15,503
Posted By DDH10756
Replace the limit switch the black square with...

Replace the limit switch the black square with the 2 red wires, its a wafer switch that can be intermittent when closed it tells the blower there is heat a to turn on.
DIY Home Repair Forum: HVAC 01-24-2013, 09:24 PM
Replies: 4
Views: 2,772
Posted By DDH10756
Flame sensor

Your problem is the flame sensor, the long sensor that you used sandpaper on is the flame sensor and you should lightly clean with scotch brite or sandpaper each fall before winter. This senses the...
DIY Home Repair Forum: HVAC 01-24-2013, 09:19 PM
Replies: 0
Views: 528
Posted By DDH10756
Blower Motor

My earlier post was incorrect. My problem is the blower motor starts when heat cycle starts. When draft inducer starts so does the blower. Everything works ok its just that the blower shouldn't start...
DIY Home Repair Forum: HVAC 01-24-2013, 07:53 AM
Replies: 3
Views: 769
Posted By DDH10756
Draft inducer fan

hello, My problem is that the Draft inducer fan runs through the entire cycle. Normally this fan would shut down at blower motor start up but instead continues to run until heat cycle is complete....
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