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Mark Henley
Mark Henley, Journeyman Technician
Category: HVAC
Satisfied Customers: 3217
Experience:  UA Journeyman Pipefitter , HVAC, Refrigeration, DDC controls. 26 years.Commercial & residential
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we have replaced the thermocoupler on the GE furnace Model

Resolved Question:

we have replaced the thermocoupler on the GE furnace Model 21lg BUT THE BURNER WILL NOT LIGHT. We have the thermostat turned up and on auto heat. we have a blower ? that has on the dial summer, 90, etc. Unfortunately, we did turn this and do not konw what to set it on.. Any ideas about getting gthe blower to work?
Submitted: 7 years ago.
Category: HVAC
Expert:  Mark Henley replied 7 years ago.



Its just a summer fan switch , usually set at 80 degrees. this should not affect your heating operation though. Is the pilot staying lit now ?





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