4.2.2
Sealed chamber overview
1. Air inlet for twin pipe systems
2. Air pressure switch
3. Condensate collection pipe
4. Safety thermostat (overheating) 105°C
5. Primary exchanger flow sensor
6. Detection and ignition electrodes
7. Gas valve
8. Domestic hot water flow sensor
9. Igniter
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LEGEND
10. 3-bar safety valve
11. Control panel
12. Modulating circulation pump with automatic deaerator
13. Primary exchanger inlet sensor
14. Primary heat exchanger
15. Modulating fan
16. Flue gas analysis inspection point
17. Coaxial exhaust collector