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4.2 Schematic diagram
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48
20
22
23
28
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33
3
Figure 4.2
3 Condensate outlet pipe
4 Heating circuit filling cock
5 Heating delivery pipe
6 Domestic hot water outlet pipe
7 Gas cock
8 Domestic hot water inlet pipe
9 Heating return pipe
TECHNICAL SPECIFICATIONS
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21
40
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24
11
7
45
25
32
26
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35
9
10 Heating circuit safety valve discharge
pipe
11 Heating circuit drain cock
12 Heating circuit pressure gauge
20 Flue thermal fuse
21 Heating NTC - Max temperature NTC
22 Primary condensing exchanger
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4
41
36
5
8
30
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