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A thermocouple switch consent is a safety device used in gas-fired heating systems to monitor the pilot flame. It generates a small electrical current when heated by the pilot flame, which keeps the gas valve open. If the pilot flame goes out, the thermocouple cools and shuts off the gas supply, preventing gas leaks. This component is essential for safe boiler operation and is commonly replaced during maintenance. The thermocouple switch consent ensures your heating system operates safely and reliably.