Britony Combi 80 - Boiler Description (continued); Control Indicators and Parts

16 -
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21
22
i6
Fig. 3
20
23. Orange indicator - Burner ON
24. Red indicator - Lock out / fiame failure
25 Reset button
26. Pressure gauge
27.Gas service tap
28. Water service tap
31. Secondary heat exchanger
32. By pass
33. By pass adjustment screw
29. CH Return isolating valve
30. Pressure relief valve