Navien NHB H Series User Manual

10 About the Boiler
1.5 Dimensions
The following diagrams show the dimensions of the boiler and the table lists the supply connections.
23.6" (600 mm)
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
A
B C
15” (400 mm)
2.3” (60 mm)
6.5” (165 mm)
2.6” (67mm)
17” (440 mm)
2.5” (66 mm)
Supply Connections
D
FE H
G
9.8” (249 mm) 6” (152 mm)
12.2” (311 mm)*
2.3” (60 mm)
5.7” (145 mm)

Navien NHB H Series Specifications

General

Brand	Navien
Model	NHB H Series
Category	Boiler
Language	English