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The thermocouple is a critical safety component in gas-fired heating systems, detecting the presence of a pilot flame. When functioning correctly, it allows gas to flow; if the flame extinguishes, it cuts off the supply. This thermocouple is built to precise standards for consistent performance and longevity. Whether you are servicing a boiler or a space heater, installing a new thermocouple can prevent dangerous gas accumulation and ensure peace of mind.