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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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I have an Armstrong furnace giving me a code for limit

Customer Question

I have an Armstrong furnace giving me a code for limit switch or rollout
JA: Did you check the furnace's filters?
Customer: yes I changed it
JA: Do you plan on doing the work yourself?
Customer: yes if I cAN
JA: Anything else we should know to help you best?
Customer: just need to kmow where to go next
Submitted: 9 months ago.
Category: HVAC
Expert:  airheatman replied 9 months ago.

Lets start by checking to rollouts.Button in center pushes in to reset.If you can give me model I can be more specific in guiding you.Rollout limits will be above or beside burners.