Navien NHB-055, Руководство по обслуживанию

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18 NHB Service Manual Version 1.0
3.2 Dimensions
The following diagrams show the dimensions of the boiler and the table lists the supply connections.
23.6" (600 m
m
)
Supply Connections
Description Diameter
A Air Intake 2 in
B Exhaust Gas Vent 2 in
C Air Vent Connection
3
/
4
in
D Rubber Grommet 1 in
E Space Heating Return 1 in
F Condensate Outlet
1
/
2
in
G Gas Connection
3
/
4
in
H Space Heating Supply 1 in
Overhead View
15.9” (405 mm)
A B
4.5” (115 mm)
(77 m
m
)
3”
(67 m
m
)
2.6”
(60 m
m
)
2.3”
C
6.6” (170 mm)
17.3” (440 mm)
Supply Connections
15.8” (401 mm) 6” (152 mm)
2.3”
(60 m
m
)
5.5”
(141 m
m
)
D F E
13.1”
(335 m
m
)*
* NHB-055/080: 11.8” (300 mm)
H G