Ariston 20/1 MFS, Installation And Servicing Instructions

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PART CODE DESCRIPTION REF. NOTE
1 407530 Auto air release valve (inc. 2)
2 407501 O ring 17.12 x 2.62 mm
3 407534 D.H.W. exchanger plug (inc. 2,4,5,7)
4 407502 O ring 56.52 x 5.34 mm
5 407503 O ring 40.65 x 5.34 mm
6 407533 Fork kit (inc. 26,27,28)
7 407506 O ring 53.34 x 5.34 mm
8 407507 Bellows
9 407505 Conveyor
10 407502 O ring 56.52 x 5.34 mm
11 407506 O ring 53.34 x 5.34 mm
12 407504 Shell
13 407532 Collar kit (inc. 14 )
16 407531 D.H.W. switch kit
17 407515 O ring 13.95 x 2.62 mm
18 407518 Filter
19 407515 O ring 13.95 x 2.62 mm
20 407512 Gasket 1/2"
21 407633 O ring 2.90 x 1.78 mm
23 407535 D.H.W. pipe kit (inc. 31)
24 407523 Flow limiter 12 l
25 407634 Cable
26 407533 See key 6
27 407533 See key 6
28 407533 See key 6
29 407514 O ring 9.25 x 1.78 mm
31 407535 See key 23
32 407512 Gasket 1/2"
33 407512 Gasket 1/2"
34 407521 Gasket (N.T.C. probe)
35 407522 N.T.C. probe (inc. 34)
36 407520 D.H.W. outlet pipe
37 407512 Gasket 1/2"
38 407527 D.H.W. expansion vessel
40 407528 Gasket 1/4"
43 407633 Cable
44 407549 3 way valve
46 407545 O ring
47 407550 Deviator (inc. 46,50,70,71,72,95,100,106,108,114)
50 407546 O ring 10.78 x 2.62 mm
52 407541 Distributor
53 407542 Main circuit filter
54 407622 Collar kit (inc. 55)
67 407548 Fork kit (inc. 68,74,78)
68 407548 See key 67
69 407547 By-pass kit (inc. 70,71)
70 407540 O ring 17.17 x 1.78 mm
71 407515 O ring 13.95 x 2.62 mm
72 407543 O ring 91.97 x 3.53 mm
74 407548 See key 67
75 407514 O ring 9.25 x 1.78 mm
77 407619 Gasket 1/4"
78 407548 See key 67
79 407546 O ring 10.78 x 2.62 mm
80 407618 Pump pressure switch pipe
81 407619 Gasket 1/4"
82 570605 Pump pressure switch
83 407635 Cable (pump pressure switch to P.C.B.)
86 407625 Pump (inc. 85,87)
87 407620 Pump gasket
88 407623 Cochlea kit (inc11,72,73,75,87,79,95,100,106,108)
91 407649 Expansion vessel 8 l
92 407651 Gasket 3/4"