GENERAL INFORMATION
6
2.3 Internal parts of the boiler
LEGEND
1.
AIR PRESSURE SWITCH
2.
ELECTRIC FAN
3.
FLUE HOOD (ROOM SEALED CHAMBER)
4.
PRIMARY HEAT EXCHANGER
5.
COMBUSTION CHAMBER
6.
IGNITION ELECTRODE
7.
MAIN BURNER
8.
CIRCULATING PUMP WITH AIR VENT
9.
ELECTRONIC GAS VALVE
10.
3 bar PRESSURE RELIEF VALVE
11.
SYSTEM DRAIN VALVE
12.
ISPECTION FLUE
13.
HEATING SENSOR
14.
HEATING SAFETY THERMOSTAT
15.
IONISATION ELECTRODE
16.
WATER PRESSURE SWITCH
17.
WATER PRESSURE GAUGE
18.
FILLING TAP
19.
IGNITION TRANSFOMER
1
2
3
4
5
6
7
9
10
11
12
13
14
15
16
17
18
19
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