wall mounted cast iron, gas fired boiler for central heating ... - Ferroli

Sigma
2.06 Top outlet Flue Connection
Three different connection are available from top of the boiler, using accessories as reported on fig. 30a, b e c and
on examples a next page.
1 Top outlet horizontal 2 Top outlet two 3
2.06.01 Examples of top fl ue connection
1 Example of concentric flue Ø 100
with appliance bend use
Fig. 31
Note • Bear in mind that the two concentric
pipes must slope downwards away from the
boiler at a rate of about 3 mm/m to avoid
rainwater entering the boiler. Outside, the
pipes should protrude from the wall between
10 and 60 mm.
Warning • Back exit with coaxial bend is
not possible
concentric fl ue
Vertical Connection, concentric bend
and two pipe separator can be
supplied on request.
2 Example of direct roof flue outlet
and wall air inlet with 2 pipe system
Fig. 32
pipe system
Fig. 30a Fig. 30b Fig. 30c
Warning • Back exit with Air/Flue T separator
is not possible
Top outlet vertical
concentric fl ue
3 Example of concentric flue Ø 100
with vertical outlet flue use.
Fig. 33
Fig. 30