Navien NPE-180A Installation Manual page 12

Overhead View
A
1.5" (38mm) 14.3" (364mm)
4.5"(115mm) 6.7"(170mm)
B
[NPE-180S/ 210S/ 240S]
Supply Connections
Description
A Air Intake
B Exhaust Gas Vent
C Hot Water Outlet
D Cold Water Inlet
E Gas Inlet
F Condensate Outlet
Supply Connections
C E
2.3"
(60mm) (289mm)
17.3" (440mm)
Diameter
2"
2"
3/4"
3/4"
3/4"
1/2"
F D
11.3"
About the Water Heater 11