1.4
MAIN COMPONENTS
1.4. 1
"SOLO 20 - 30 - 40" version
1.4.2 "DUETTO 30" version
62
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
Fig. 2
Fig. 2/a