Viadrus K4 - Main Boiler Parts Identification

General Information
16
4.3 Main Boiler Parts
Fig. . 4 The VIADRUS K4 boiler assembly (version shown - K4G2HXXXX)
1 three-way valve (only for versions K4G2HXXXX and K4G3HXXXX)
2 HSW temperature sensor (only for version K4G2HXXXX)
3 HSW exchanger (only for version K4G2HXXXX)
4 gas valve
5 siphon
6 safety valve
7 circulation pump
8 gas supply pipe
9 bleeder valve
10 boiler electronics
11 burner plate
12 heating water temperature sensor
13 mixer
14 safety thermostat
15 combination electrode
16 boiler frame
17 exchanger
18 fan
19 expansion tank
20 pressure gauge
21 boiler front cover