Bosch GREENSTAR II HE OIL 12/22 Service Manual download pdf (Page 5)

1) Control panel

2) Condenser drain point

3) Secondary heat exchanger

4) Combustion product test point

5) Secondary heat exchanger inspection/cleaning port

6) Condensate drain

7) Heat exchanger drain point

8) Burner air inlet pipe

9) Oil Burner

10) Lock out reset button

11) Sight glass

12) Boiler shell

13) Auto air vent connection

14) Heating flow

15) Heating return

16) Combustion products flue exit

17) Electrical cover plate

Fig. 2. Components

1514

1 2 3 4 5 6 7 8 9 10 ... 27 28

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Bosch GREENSTAR II HE OIL 12/22 Service Manual Page 5