Do Thermopiles Go Bad?

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Can thermocouples fail?

METAL FATIGUE

Like everything, thermocouples can't stay new forever. A good thermocouple is going to be used, and that can lead to metal fatigue. Changes in temperature can cause regular expansion and contraction in metal, which will cause thermocouples to weaken over time.

Should the flame touch the thermocouple?

The pilot flame should touch the thermocouple at a specific level. If the flame is blue and weak, and barely reaches the thermocouple, it needs to be stronger. If the flame covers the top of the thermocouple and burns steadily with a yellow tip, that's just about right.

Why does my gas wall heater keep shutting off?

If your furnace keeps shutting off, it could be due to low airflow. There are several indirect issues that cause low airflow. Dirty Air Filters. If you don't change your air filters often enough, the filters will become dirty and clogged, which means the heat exchanger retains heat and eventually causes it to overheat.

Can thermocouples fail? METAL FATIGUE Like everything, thermocouples can’t stay new forever. A good thermocouple is going to be used, and that can lead to metal fatigue. Changes in temperature can cause regular expansion and contraction in metal, which will cause thermocouples to weaken over time. Should the flame touch the thermocouple? The pilot flame…

Can thermocouples fail? METAL FATIGUE Like everything, thermocouples can’t stay new forever. A good thermocouple is going to be used, and that can lead to metal fatigue. Changes in temperature can cause regular expansion and contraction in metal, which will cause thermocouples to weaken over time. Should the flame touch the thermocouple? The pilot flame…

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