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4.2
Main parts
1
Flue gas discharge pipe
2
Flue gas measuring point
3
Heat exchanger
4
Ignition/ionization electrode
5
Box for the control PCBs
6
Control panel
7
Command module
8
Water pressure sensor
9
Circulation pump
10
Hydroblock
11
3-way valve
12
Safety valve
13
Casing
14
Expansion vessel
15
Combined venturi and gas valve unit
16
Fan
17
Air intake silencer
18
Mixer pipe
19
Automatic air vent
C003072-C
18
19
16
17
15
14
13
12
11
1
2
3
4
10
9
5
6
7
8
4. Description
EGC 25
13
09/02/2016 - 300026082-001-05