2.3 Internal parts of the boiler
LEGEND
1.
AUTOMATIC AIR VENT VALVE
2.
SAFETY THERMOFUSE
3.
EXPANSION VESSEL
4.
PREMIX BURNER UNIT (GAS MANIFOLD + BURNER)
5.
IONISATION ELECTRODE
6.
HEATING SENSOR
7.
HEATING SAFETY THERMOSTAT
8.
PUMP
9.
FAN
10. CONDENSATE TRAP
11. ELECTRONIC GAS VALVE
12. AIR PRESSURE SWITCH
13. IGNITION ELECTRODE
14. IGNITION TRANSFORMER
15. VENTURI
16. DIVERTER VALVE ACTUATOR
17. WATER PRESSURE SWITCH
18. NO-RETURN VALVE
19. WATER PRESSURE GAUGE
20. FILLING TAP
21. SAFETY VALVE
TECHNICAL CHARACTERISTCS
12