Bosch 520-HN -L - 9 Interior Components and Diagram Parts List; 9.1 Interior Components Overview

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Interior components and diagram parts list | 31
9 Interior components and diagram parts list
9.1 Interior components
Fig. 26 Functional scheme
[4] Heat exchanger
[5] Burner
[9] Ignition unit
[10] Flow control knob
[11] Water valve
[20] Gas connection
[21] Flexible cold inlet
[22] Flexible hot outlet
[26] Power adjustment knob
[30] Pilot burner
[51] on/off button
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