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● flue gas duct terminated by end cap
● coaxial chimney, which simultaneously removes flue gas and air intake for combustion
● from the area where the heater is located
● from outside using piping for suction
coaxial chimney, which simultaneously removes flue gas and air intake for combustion
2,5
1,5
3,5
2
6
3,5
9
4
6
9
5
2
2,5
1,5
1,5
3,5
4
2
2
5
6
3
3
8
9
3,5
4,5
5,5
6,5
8
9
5
7
4
8
13
30
2
4
7
18
6
10
16
40
2,5
5
9
23
9
12
26
60
5
7
14
33
11
15
30
70
6
8
16
37
9
14
27
57
11
17
32
70
6
9
16
36
4
8
28
37
2
4
16
23
6
11
40
51
2
6
21
28
9
16
55
75
5
10
27
33
13
20
66
90
7
14
35
44
11
22
53
66
15
30
65
75
8
15
34
38
8
35
7
8
20
4
5
50
9
12
26
5
7
75
20
26
36
12
14
90
25
30
40
14
16
62
19
21
80
25
28
42
13
15
6
7
8
3
4
5
10
12
14
5
6
7,5
18
24
26
7
9
11
25
29
30
11
14
16
15
18
21
22
26
26
12
14
14
5
3
7
4,5
12
7
14
8
10
13
8
4
5
2
3
6
8
3
4,5
9
12
5
6
10
14
7
8
11
12
12
13
6
8
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