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5
Appendix
5.2
Residual pump lift
This graphic shows the amount of pump lift remaining for the
heating system.
400
350
300
250
200
150
100
50
0
0
5.3
Spare parts list
The following are parts commonly required due to damage or expendability. Their failure or absence is likely to affect safety or
performance of this appliance. For a pictorial representation of the part see the respective position number on the exploded view
pictures on page 46.
Description
1
Casing
2
Bracket
3
Grommet cover
4
Fan
5
Fan seal (set of 5 pc.)
6
Gas injector 2E
7
Gas valve
8
Venturi
9
50mm seal
10
Air silencer tube
11
Gas/air supply valve
12
Syphon
13
Gas/air supply
14
Burner seal (set of 2 pc.)
15
Burner
16
Heat exchanger - Gas/air supply seal
Buderus • http://www.buderus-domestic.co.uk
44
100
200
300
Product No.
78155
38092
78145
73639
73640s
73210
73645
73641
73574
73646
73756s
78173
73663
73669s
73668
73728
Buderus 500 - 24/S
400
500
600
Flow [l/h]
Description
17
Backside heat exchanger
18
Gasket heat exchanger
19
Heat exchanger
20
Frontside heat exchanger
21
Sight glass
22
Combustion divider
23
Glow ignitor
24
Ionisation electrode
25
Ionisation electrode seal (set of 2 pc.)
26
Glow ignitor seal (set of 2 pc.)
Bracket ionisation electrode and
27
glow ignitor ( 2 pc.)
28
Shield glow ignitor
29
Concentric adapter
30
100mm Lipring
31
60mm seal (bottom flue gas pipe)
Subject to modifications resulting from technical improvements!
Installation and maintenance instructions for Buderus 500 - 24/S • 08/2006
275 mbar
at 900 l/h
700
800
900
1000
Product No.
73657
73578
73659
78125
73662
73670
78105
38320
73666s
73665s
73667s
38453
78120
78121
73563
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