Vaillant ecoMAX 646 Service Manual download pdf (Page 57)

57

10. Short parts list

Key No. Description Part No. GC No.

01 Fan 19 0162

02 Air pressure switch 05 0557

03 Main heat exchanger VUW 242 06 4951

04 Main heat exchanger VUW 282 06 4952

05 Burner VUW 242 04 1960

06 Burner VUW 282 04 1961

07 Diverter valve 01 1269

08 DHW heat exchanger 06 4950

09 Ignition electrode 09 0562

10 Flame sensing electrode 09 0563

11 HT lead (ignition electrode) 09 1534

12 Expansion vessel 18 1045

13 Pump 16 1083

14 Gas valve (natural gas) 05 3210

15 Gas operator (natural gas) 05 0222

16 Main gas solenoid 17 0365

17 DHW microswitch 12 6255

18 Diaphragm 01 0357

19 Main switchboard 13 0391

20 Control board 13 0390

21 Main transformer 28 7442

22 NTC temperature sensor 25 2805

23 Temperature and pressure gauge 10 1558

fig. 81

GW 688/0

fig. 83

GW 695/0

fig. 82

GW 680/0

fig. 84

GW 696/0

fig. 85

GW 694/0

fig. 86

GW 687/0

1 2 ... 52 53 54 55 56 57 58 59 60

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