Boiler Components - Immergas VICTRIX EXA 28 1 ERP Instruction Booklet And Warning

1.30 BOILER COMPONENTS.

Key:
1 - System filling cock
2 - Condensate drain trap
3 - Gas valve
4 - Domestic hot water probe
5 - Domestic hot water flow switch
6 - System pressure switch
7 - Delivery probe
8 - Safety thermostat
9 - Gas nozzle (only Victrix EXA 28)
10 - Air/gas Venturi manifold
11 - Detection electrode
12 - Condensation module
13 - System expansion vessel
14 - Flue probe
15 - Manual air vent valve
16 - Sample points (air A) - (flue gas F)
17 - Negative signal pressure point
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18 - Positive signal pressure point
19 - Heat exchanger safety thermal fuse
20 - Burner
21 - Ignition electrode
22 - Air intake pipe
23 - Igniter
24 - Air pressure switch
25 - Fan
26 - Air/intake Venturi
27 - Return probe
28 - DHW heat exchanger
29 - Vent valve
30 - Boiler circulator pump
31 - 3-way valve (motorised)
32 - By-pass
33 - 3 bar safety valve
34 - System draining valve
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