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A concentric flue gas exhaust is essential for the safe and efficient operation of a room-sealed water heater. This system simultaneously removes flue gases and supplies combustion air through a single pipe-in-pipe construction. This ensures your system is completely sealed, and oxygen is not extracted from the interior.
For modern room-sealed water heaters, a concentric system is mandatory to ensure optimal safety and efficiency. The inner pipe safely removes flue gases, while the outer pipe supplies fresh air from outside. This increases combustion efficiency and reduces heat loss.
✔ Safe flue gas extraction
✔ Direct air supply from outside
✔ Suitable for closed water heaters
✔ Energy-efficient operation
✔ Simple and reliable installation