Hello my furnace stop blowing hot air, and there is no flame. Flashing code 4 for limit switch. Does any one know where it is and how to test. Any help would be appreciated, Thank you.
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Hello my furnace stop blowing hot air, and there is no flame. Flashing code 4 for limit switch. Does any one know where it is and how to test. Any help would be appreciated, Thank you.
Limit switch will be located on/near your heat exchanger. If it is throwing your limit switch, there will most likely be a reason the switch is tripping.
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