Testing a Limit Switch on a Furnace

Have you ever had a furnace limit switch test done in your home? It’s an essential test that has to be conducted to ensure that the furnace is working properly. If it’s not, you may experience issues like low airflow or no heat at all. These issues could be dangerous, and in extreme cases, could result in an electrical fire. Most furnaces have some sort of mechanism in the furnace control board that will alert you when the temperature has …

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