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paulrichard
Dec 4, 2009, 07:18 AM
Blower & burner don't stay on... I think it's some kind of thermal switch...

Exhaust blower starts... ignighter glows... gas valve opens and burner lights... main blower starts...

It runs for about 3-5 minutes and then the burner abruptly shuts down... another 1-2 minutes and the blower shuts down... desired temperature not reached.

Please help! It's cold in my house.

Thanks!

hvac1000
Dec 4, 2009, 08:45 AM
Check your air filter
Have you chenged the thermostat lately?
Need complete and exact model number of unit.