Navien NCB-210 Service Manual

18 NCB Service Manual
Version 1.0
3.2 Dimensions
The following diagrams show the dimensions of the boiler and the table lists the supply connections.
Overhead View
Supply Connections
Supply Connections
Description
Diameter
A
Air Intake
2 in
B
Exhaust Gas Vent
2 in
C
Space Heating Supply
1 in
D
Space Heating Return
1 in
E
Hot Water Outlet (DHW)
3/4 in
F
Gas Supply Inlet
3/4 in
G
Cold Water Inlet (DHW)
3/4 in
H
Condensate Outlet
1/2 in
I
Auto Feeder Inlet (Make-up Water)
1/2 in
12“ (306 mm)
3.0” (77 mm)
2”
(50 mm)
3.5”
(88 mm)
4.8”
(123 mm)
17.3"(440mm)
2.4"(61mm)
3”
(76 mm)
1.8”
(46 mm)
3” (77 mm) 0.4“ (10 mm)
1.5“ (38 mm)
14.3” (364 mm)
2.6” (67 mm)
4.5” (115 mm)
6.7” (170 mm)
28.8” (731mm)
27.4" (695mm)

Navien NCB-210 Specifications

General

Brand	Navien
Model	NCB-210
Category	Boiler
Language	English