42
Fig. 2
1.4
MAIN COMPONENTS
1.4.1
“SOLO 20 - 30 - 40” version
Fig. 2/a
1.4.2 “DUETTO 30” version
KEY
1
Gas-oil burner
2
System pump
3
Control panel
4
System safety valve
5
Filling
6
Hublot
7
Expansion vessel
KEY
1
Gas-oil burner
2
System pump
3
Control panel
4
Water switch
5
Instant tank
6
Filling
7
3-way diverter valve
8
Hublot
9
Expansion vessel
10 Boiler drainer cock