Connection line | Flue gas line
The connection line is the horizontal part of the exhaust system. It connects the fireplace and the vertical riser and can be single or double walled.
![Connection line | Flue gas line](/fileadmin/_processed_/8/7/csm_DW-AL_-_1_23a9f7ea3e.png)
More information can be found here:
The connection line is the horizontal part of the exhaust system. It connects the fireplace and the vertical riser and can be single or double walled.