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Appendix
Description
32
Flue gas pipe
33
60mm seal (top flue gas pipe)
34
Flue gas pipe seal
35
Flue gas thermostat (STL)
36
Condensate collector
37
Condensate trap
38
Connection return
39
Gas pipe
40
Connection supply
41
Automatic airvent
42
Spring heat exchanger
43
O-ring heat exchanger (set of 10 pc.)
44
Heat exchanger seal ( set of 2 pc.)
45
Safety sensor
46
Supply pipe
47
Pump Uper 15-50
48
Connection return pipe
49
Return pipe
50
Connection return combi
51
Internal mechanism three-way valve
52
Servomotor three-way valve
53
Securing pin of the servomotor
Discharge pipe of pressure relief
54
valve
55a
Pressure relief valve 3 bar
55b
Key to Pressure relief valve 3 bar
56
By-pass
57
Expansion vessel pipe
58
Expansion vessel
59
Connection plate heat exchanger
60
DHW flow regulator
61
DHW flow sensor
62
–
63
Flow sensor
64
–
65
Plate heat exchanger
66
O-ring (set of 10 pc.)
67
Clips (set of 2x3 pc.)
69
CH connector
70
Sanitary connector
71
DBA 24/S and 28/C
71
DBA 24/C
72
Power switch
73
Cable harness
74
Clips (set of 5 pc.)
Subject to modifications resulting from technical improvements!
Installation and maintenance instructions for Buderus 500 - 24/C and 500 - 28/C • 02/2005
Product No.
78122
75
73736
76
73579
77
73376
78
73630
79
78123
80
73583
81
78126
82
73672
83
38618
84
73582s
85
73580s
86
73584s
87
78154
88
78130
89
78142
90
78133
91
78132
92
78165
93
73685
94
73686
95
73687
96
97
78134
98
78198
99
78202
100
78143
101
78135
102
78163
103
78167
104
78138
78137
106
–
–
78136
–
–
–
78144
–
78158s
78156s
–
–
78161
78162
–
78127
78199
–
73660
78129
–
73653s
107
108
Description
Clips (set of 5 pc.)
Condensate trap seal
Drainpipe seal (set of 5 pc.)
O-ring (set of 10 pc.)
O-ring small (set of 10 pc.)
O-ring 73 x 5
O-ring 48.9 x 2.62
O-ring (set of 10 pc.)
Screw + screwcase (set of 2 pc.)
Drain plug
RTH Converter
O-ring (set of 10 pc.)
¾" Seal (set of 10 pc.)
O-ring (set of 10 pc.)
Cover seal
Seal
O-ring (set of 2x2 pc.)
Seal (set of 10 pc.)
1" Seal (set of 5 pc.)
Casing lock
Cut off cock with pressure gauge
Valve Sanitary Hot
Gas valve
Valve Sanitary Cold
Valve CH return
Spring (set of 5 pc.)
Spring Hydroframe (set of 5 pc.)
½" Seal (set of 10 pc.)
1" Seal (set of 5 pc.)
Connection set combi
Drainplug
Spring gaspipe (set of 5 pc.)
LPG kit 24 kW - 28 kW
O-ring sensor (set of 10 pc.)
O-ring 16x2 pressure relief valve
(set of 10 pc.)
Fuse 2.5 AT (DBA) (set of 10 pc.)
O-ring (large) flow sensor
(set of 10 pc.)
O-ring 9.19 x 2.62 sensor
supply/return (set of 10 pc.)
Screw 4 x 20 Hydroframe
(set of 5 pc.)
Screw M5 x 30 Pump
(set of 5 pc.)
Receiver bracket
Wall spacing frame
Boulter Buderus Ltd. • http://www.boulter-buderus.co.uk
5
Product No.
73056s
73463
73638s
78151s
78152s
78177
78178
78157s
78181s
78139
78079
38472s
15002s
38478s
78174
73561
73642s
73738s
73527s
73901
78150
75962
78201
75963
75964
73490s
78164s
15033s
73527s
73784
78140
73531
73734
38434s
73729s
73739s
78153s
78175s
78179s
78180s
78200
75972
45
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