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10 | Appliance details
3.4
Dimensions and installation clearances
36
37
10
26
35
34
20
Fig. 3
Dimensions in Inches and (mm)
[4] Heat exchanger
[5] Burner
[10] Flow control knob
[11] Water valve
[20] Gas connection
[23] Ignition unit
[26] Power adjustment knob
Dimensions
inches (mm)
520 HN
A
16.73"
(425)
Table 3
Dimensions in inches (mm)
6 720 644 942 (2014/11)
A
C
B
C
25.75"
13.15"
(655)
(334)
H
[34] LED indicator for burner status
[35] On/Off switch
[36] Front cover
[37] Mounting holes
[38] Exhaust pipe union
[39] Draft diverter with flue gas sensor
[40] Gas valve
D
E
5.11" (130)
21.25"
(540)
8,66" (220)
4,92"(125)
D
1,97"
(50)
3,82"
(97)
F
G
2.55" (65)
1.18" (30)
38
39
4
5
40
23
11
6720608036-01.2Av
H
3/4"
520 HN
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