Advertisement
4
3
2
1
19
A
B
C
D
18
17
5
1
6
2
3
4
5
6
7
8
9
10
11
12
13
14
15
7
16
17
8
18
9
19
A
10
B
11
C
D
12
13
14
15
16
Fan
Air/gas blend manifold
Primary exchanger
Coaxial flue connector
Flue sensor
Automatic air vent
Ignition electrode
NTC water heating sensor
(flow and return)
Safety overflow temperature
thermostat
Flame detection electrode
Spark generator
Venturi
Pump
Hydraulic Safety valve
Boiler drain tap
Pressure gauge
Hydraulic Pressure Sensor
Gas pressure switch
Gas valve
Trap condensate drain
Gas inlet connection
Heating flow connection
Heating return connection
Advertisement
