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2.3
Main parts of the boiler
Key
1
Control panel
2
Boiler temperature sensor socket
3
Piezoelectric ignition system
4
Safety thermostat
5
Water circuit drain cock
6
Thermocouple
7
Burner
8
Gas supply solenoid valve
9
Name plate
6
2.2
Control panel
10
11
12
15
14
9
8
7
6
5
Key
13
10
11
12
13
14
15
Main switch
Central heating temperature control
Central heating temperature gauge
Flue gas thermostat (manual reset)
LED indicator (flue gas temperature alarm)
LED indicator (mains power)
1
2
3
4
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