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Key no. Description Spare part code
1 O-ring gasket 1,78x15,6 BI1001 131
2 Drainage valve BI1011 104
3 O-ring gasket 17,04x4,00 mm BI1212 112
4 Screw M5x25 mm - Hexagon socket cap BI1131 107
5 Return group kit (Model combi) BI1271 504
6 Domestic water restrictor BI1271 102
7 Flat gasket 3/4" BI1001 108
8 Toothed lock washer external 6,4 mm BI1001 124
9 Screw M6x8 mm - BZP RPH BI1001 123
10 Flat gasket 1/2" BI1001 106
11 Flow limiter 10 Litres/min BI1091 102
11A Flow limiter 12 Litres/min BI1091 103
11B Flow limiter 14 Litres/min BI1161 101
12 Magnetic fl ow switch and fi lter kit BI1271 501
13 D.h.w. fl ow switch BI1271 101
14 Exchanger Domestic Hot Water BI1001 102
15 O-ring gasket 1,78x12,42 mm by-pass pipe BI1001 115
16 By-pass pipe (Model combi) BI1271 100
17 O-ring gasket 18,64x3,53 mm KI1043 144
18 By-pass pipe fi xing fork BI1001 111
19 O-ring gasket 1,78x14 mm BI1001 129
20 O-ring gasket 2,62x23,47 mm BI1011 107
21 Diverter valve actuator BI1201 100
22 Diverter valve actuator fi xing spring BI1101 101
23 Diverter valve kit BI1141 501
24 O-ring gasket 2,7x13,6 mm BI1011 117
25 Flow group kit (Model combi) BI1251 503
26 O-ring gasket 9,25x1,78 mm (NTC) KI1001 128
27 Temperature probe (special) BI1001 117
28 Central heating pressure switch membrane BI1011 103
29 Central heating pressure switch disk BI1011 111
30 Central heating pressure switch spring BI1011 110
31 Screw M4x12 mm Stainless steel SCH BI1011 109
32 Microswitch guide bush BI1011 502
33 Microswitch kit BI1011 505
34 Microswitch box fi xing clip BI1011 105
35 Screw 2,9x13 mm AB self tapping BZP - RCH BI1011 108
36 By-pass kit BI1141 505
37 Condensing heat exchanger BI1262 122
38 O-ring gasket 2,62x17.86 mm BI1262 112
39 Condensing heat exchanger connection clip BI1172 101
40 Connection spring BI1262 117
41 Grommet BI1002 113
42 Condensate discharge pipe BI1262 110
43 Condensate trap (withdrawn) BI1262 118
44 O-ring gasket 1,9X16 mm BI1262 114
45 Main exchanger BI1262 135
46 O-ring gasket 17,04x3,53 KI1043 114