Bosch SSB255 Installation And Service Manual page 65

Item (→ Fig. 86) Description
1 Flanged exhaust connector
2 O-ring flanged exhaust connector 6.5x0.23in 165x6mm EPDM
3 Heat exchanger SSB-399
3 Heat exchanger SSB-512
4 O-ring burner flange 6.60x0.20in 167.7x5.33mm NBR
5 Burner Flange (outer ring)
6 Gasket premix burner tube
7 Premix burner tube SSB-399
7 Premix burner tube SSB-512
8 Burner Flange (inner ring)
9 Gasket burner flange inner ring to fan
10 Fan SSB-399/512
11 Nipple SSB-399/512
12 Ball valve SSB-399/512
13 Nipple SSB-399/512
14 Washer gas pipe 1" 25mm
15 Gas pipe outlet side of gas valve
16 Gas valve adapter
17 Gas valve washer SSB-399/512
18 Gas valve SSB-399/512 and washers
19 Gas Pressure Switch (low) SSB-512
20 Gas Pressure Switch (high) SSB-512
21 Gas pipe inlet side of gas valve
21 Gas pipe inlet side of gas valve
22 Frame support gas pipe
23 Gas connection system side 1" 25mm
24 Sight glass combustion
25 Ignition cable red
26 Ignition electrode with washer
27 Gasket for ignition electrode
39 Clamp for Flex pipe air intake SSB-399/512
40 Flexible pipe air intake SSB-399/512
41 Refractory disc
42 Refractory disk retainer
43 Male adapter Ø 0.2 inch hose barb x M5 thread
44 Balancing tube
(*) For model SSB399 boilers with serial number higher than 3520-556-000019-7738004895.
(**) For model SSB512 boilers with serial number higher than 3520-556-000008-7738004896.
SSB
Order number
■ ■ 7-738-004-978
■ ■ 7-738-004-979
■ 7-738-004-981
■ 7-738-004-982
■ ■ 7-738-004-983
■ ■ 7-738-004-984
■ ■ 7-738-004-985
■ 7-738-004-987
■ 7-738-004-988
■ ■ 7-738-004-989
■ ■ 7-738-004-990
■ ■ 7-738-005-006
■ ■ 7-738-005-008
■ ■ 7-738-005-010
■ ■ 7-738-005-012
■ ■ 7-738-005-014
■ ■ 7-738-005-016
■ ■ 7-738-005-018
■ ■ 7-738-005-020
■ ■ 7-738-005-022
■ 7-738-005-024
■ 7-738-005-026
■ 7-738-005-027
■ 7-738-005-028
■ ■ 7-738-005-029
■ ■ 7-738-005-030
■ ■ 7-738-005-031
■ ■ 7-738-005-032
■ ■ 7-738-005-033
■ ■ 7-738-005-034
■ ■ 7-738-005-035
■ ■ 7-738-005-036
■ ■ 7-738-005-175
■ ■ 7-738-005-174
■ (*) ■ (**) 7-738-005-270
■ (*) ■ (**) 7-738-005-269
Spare parts | 65
6720818454 (2016/02) US