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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Awesome. I have a gas furnace that went off as the one tank

Customer Question

Awesome. I have a gas furnace that went off as the one tank was empty and the other was turned off. I turned on the gas to the other tank and reset the furnace and breaker but it won't heat. How can I figure out what's wrong? Or get it to start?
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: The filters were cleaned in November when we installed a programmable thermostat
JA: Do you plan on doing the work yourself?
Customer: there is a flashing red light on C
JA: Anything else we should know to help you best?
Customer: it's a dark blue wire
Submitted: 9 months ago.
Category: HVAC
Expert:  Rick replied 9 months ago.

Do you still need help? if so what's the brand and model number of your furnace?