68
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
5
17
18
19
20
Fig. 2
1.4
MAIN COMPONENTS
1.4.1
“AQUA 30-40 OF/BF” version
KEY
1
Boiler drainer cock
2
Tank drainer cock
3
120 litre tank
4
Tank pump
5
Control valve
6
Gas-oil burner
7
Hublot
8 Bulb housing sheath
9
Control panel
10
Expansion vessel
11
System safety valve 3 BAR
12
Water switch
13
Air intake for airtight burner
(
“BF”
versions)
14
Hydrometer
15
System pump
17
Filling
18
Tank safety valve 7 BAR
19
Tank expansion vessel
20 Magnesium anode