Flue sampling plug De Dietrich 7101077

The flue sampling plug is a specialized component used to access flue gases for analysis or testing in boiler systems. It allows technicians to insert sampling probes to measure combustion efficiency, emissions, or temperature. This plug is typically installed in the flue pipe and provides a secure seal when not in use. Replacing a damaged or missing sampling plug is important for accurate diagnostics and safe operation of your heating system.