Ferroli SIGMA Installation And Servicing Instructions page 10
Wall mounted cast iron, gas fired boiler for central heating fan assisted, room sealed, electronic flame ignition and control
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Also See for SIGMA:
- Installation and servicing instructions (32 pages) ,
- Installation and servicing instructions (32 pages) ,
- User instructions (4 pages)
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2 04 Wall Mounting
2 04 01 Drilling Template
Model
Sigma 20-40
Sigma 40-60
8 0
B
C
ig
a
Drilling template for orizontal concentric fl ue.
10
A
B
C
320
60 min.
120
400
140 min.
200
WARNING:
C.H. connection
on this side
135
A
Sigma
ig
Minimum clearances and drilling template for standard
rear fl ue.
ig
Drilling template for t o pipe s stem
air inlet.
205 min
100
100
105 min
Boiler
mounting
plate
200
A
5 min
WARNING:
C.H. connection
on this side
8 0
B
135
C
A
it
orizontal
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