DE DIETRICH TWINEO EGC 25 - Manual (Page 11)

3.2 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
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EGC 25 3. Description
03/12/2013 - 300026082-001-02 10