Bosch Worcester 15SBi Installation And Servicing Instructions page 23

Fig. 42. Inner Casing 24SBi
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3
12
11
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1. Fan Assembly
2. Air Flow Sensing Tubes
3. Flue Hood
4. Overheat Thermostat
5. Combustion Chamber
6. Combustion Chamber Fixing Screws
7. Gas Pipe (Burner Assembly)
8. Burner Assembly
9. Spark Electrode Assembly
10. Flow Pipe
11. Flow Sensor
12. Heat Exchanger
13. Auto Air Vent
14. Combustion Sampling Point
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9
23
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