20.01.2022 Rev. 00
18
10.
STACK CONNECTIONS
1.
Horizontal stack extensions must be connected to boiler at 1.5°-3° angle in order to drain
condensing fluid.
2.
Stack setup must be according to local ventilation conditions.
3.
Stack connections must be leak proof.
Some examples of stack setup can be seen below:
According to the EN 13501-1 8.102.2.7 clause, all the materials used in the boilers are in the
Reaction to Fire limit Class F.
The combustion products discharge materials used in the boiler have 0 (zero) heat resistance
according to the EN 13501-1 8.102.1 clause.