Electrode Assembly; Flame Rod - Bosch Singular 4000 Service Manual

Service Manual

9.12 Electrode Assembly

1. Refer to 9.1 Preparation Step.
2. Separate the electrode assembly connection terminal (Item 1).
3. Separate the electrode assembly cap (Item 2).
4. Loosen the 2 fi xing screws (Item 3).
Figure 100
5. Replace with a new electrode.
6. When replacing the electrode assembly, use the new gasket and bracket
that are provided with the new part. Assemble in the order of gasket (1),
electrode assembly (2) and bracket (3) as shown in the fi gure below.
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Figure 101
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9.13 Flame Rod

1. Refer to 9.1 Preparation Step.
2. Separate the fl ame rod connection terminal.(Item 1).
3. Separate the fl ame rod cap. (Item 2).
4. Loosen the 3 fi xing screws. (Item 3).
Figure 102
5. Replace with a new fl ame rod.
6. When replacing the fl ame rod, use the new gasket and bracket that are
provided with the new part.
7. Assemble in the order of gasket (1), fl ame rod (2), and bracket (3) as shown
in the fi gure below. Remove the brown tape part (4) from the gasket and
attach it to the bracket. (Do not attach it to the sensible heat exchanger. )
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Figure 103
Singular Combi Boiler - BTC 439002301 A (12.2021)
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