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Key
G.C. part
no.
no.
2
6
9
12
13
14
15
378 814
17
164 225
20
21
164 261
22
25
26
27
28
30
32
33
41
42
60
60
62
63
67
68
70
164 282
73
74
77
79
81
86
87
97
ecoSYSTEM 27 RFFI
Description
Expansion vessel
Condensate pipe
Condensate trap (upper)
'O' Ring (condensate trap)
Condensate trap (lower)
Temperature probe (C.H.) + clips
Drain valve
Gasket 3/4"
Safety valve (1/4" 3 bar)
Gasket 1/4"
Low water pressure switch
Gas valve (Sigma 848)
Auto air vent
Return manifold
'O' Ring (Pump - return manifold)
Lock washer
Pump
Printed circuit board (main)
Printed circuit board (display)
Pressure gauge
Injector (L.P.G.)
Injector (N.G.)
Gasket (fan)
Fan
'O' Ring (by-pass pipe)
Clip (by-pass pipe)
Gasket 3/8"
'U' clip
Condensate tray
Seal (condensate tray)
Cable (ignition/detection electrode)
Electrode (ignition/detection)
Gasket (burner)
Burner
Gasket (pressure gauge - pump)
ARISTON
Part No.
990683
1
990664
1
990658
990695
1
990659
1
1
990686
573727
573520
1
1
998447
1
569390
995903
1
1
990682
1
998809
990708
1
998424
1
1
999100
999091
1
990692
1
1
990693
999245
1
990656
990657
990694
1
998888
1
998077
998064
573521
1
997153
1
990677
999497
1
1
995983
1
995964
998680
1
998668
1
998517
1
1
1
1
1
1
1
1
1
1
59
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