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2.3 Overall view
Legend
1.
Flue connector
2.
Modulating Fan
3.
Flue collector
4.
Air relief valve
5.
Overheat thermostat (Main Heat exchanger)
6.
C.H. Flow temperature probe
7.
Inspection door
8.
Gas valve
9.
Condensate trap
10. Secondary heat exchanger
11. Safety valve
13. D.H.W. Flow switch
14. C.H. circuit fi lter
15. Circulation Pump with air release valve
16. Switch On-Off
17. C.H. Return temperature probe
18. Diverter valve
19. Main heat exchanger
20. Detection Electrode
21. Ignition electrodes
22. Silencer
23. Ignitor
24. Combustion Analysis Test Point
1
2
3
4
5
6
7
8
9
10
11
2. product description
24
23
22
21
20
19
18
17
16
15
14
13
Fig. 2.3
7
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