Dimensions - Navien NCB-190/060H Installation & Operation Manual

1.5 Dimensions

The following diagrams show the dimensions of the boiler and the table lists the supply connections.
Overhead View
A B
1.5"
(38 mm)
14.3" (364 mm)
6.7" (170 mm)
4.5"
(115 mm)
C
Supply Connections
Description
A Pressure Relief Valve Adapter
B Air Intake
C Exhaust Gas Vent
D Heating Supply
E Domestic Hot
F Gas Connection
G Domestic Cold
H Auto Feeder Inlet (Make-up Water)
I Condensate Outlet
J Heating Return
Supply Connections
D E F
2.7" 3.5"
(68 mm) (88 mm) (85 mm)
17.3" (440 mm)
Diameter
¾ in
2 in
2 in
1 in
¾ in
¾ in
¾ in
½ in
½ in
1 in
G H I
2.7"
(69.5 mm)
3.3" 2.9" 2.5"
(74 mm) (63 mm)
9.6" (244 mm)
About the Boiler
J
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