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

1.27 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
10 - Venturi
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
18 - Positive signal pressure point
19 - Heat exchanger safety thermal fuse
20 - Burner
21 - Ignition electrode
22 - Air intake pipe
23 - Igniter
24 - Fan
25 - Vent valve
26 - DHW heat exchanger
27 - Return probe
28 - Boiler circulator pump
29 - 3 bar safety valve
30 - 3-way valve (motorised)
31 - By-pass
32 - System draining valve
21
1-31