green suction cup d-80-125-pr-condensation

Vertical flue 80/125 for condensing boiler is a concentric duct designed for the evacuation of burnt gases and the intake of combustion air.

The 80 mm inner diameter is used for the evacuation of fumes, while the 125 mm outer diameter allows the entry of fresh air.

This system ensures optimal and safe combustion for condensing boilers.