APPENDIX C – Spare Parts (all models)
28
27
26
24
25
23
22
Fig. 35
Item
Part no.
Component
Ref.
1 NYA
Flue Duct Assembly
2 NYA
Flue Duct gasket
3 NYA
Air Overheat Switch
4 77000-90100
Exhaust Pressure Switch
5 77000-00208
Flue Fan Assembly
6 NYA
Heat Exchanger
7 NYA
Lower housing Assembly
8 NYA
Grommet
9 77000-00113
Control Unit Assembly
10 77000-91300
Electrodes
11 NYA
Flame rectification
12 NYA
Access Door
13 NYA
Ventilation grille
14 NYA
Slide latch
15 77000-90400
Burner Assembly
16 NYA
Lever
17 NYA
Spacer Set
18 77000-90800
Filter Assembly
19 NYA
Temperature stabilizer Assembly
20 NYA
21
17
29
30
20
19
18
1
3
2
4
5
6
7
9
15
16
Item
Part no.
Component
Ref.
21
NYA
22 NYA
Upper housing Assembly
23 NYA
Water temperature sensor
24 77000-90500
Flow Sensor Assembly
25 NYA
Water connector
26 NYA
Piping "Basic"
27 NYA
Piping "Comfort"
28 NYA
Piping "Comfort Plus"
29 77000-90600
Circulation Pump
30 70020-03500
Non-Return Valve Assembly
31 NYA
Water overtemperature switch
32 NYA
Cable harness 1 (not shown)
33 NYA
Cable harness 2 (not shown)
34 NYA
Small parts (not shown)
35 77001-01
Access Door Standard
36 77101-01
Access Door Adapter (not shown)
37 77201-01
Access Door XS (not shown)
38 77000-00089
Control panel
39 77000-00114
Sticker set (not shown)
38
8
10
35 (36, 37)
39