Navien NPE-240A2 Installation Manual

13About the Water Heater
27.4 in. (695 mm)
28.8 in. (731 mm)
Supply Connections
Description Diameter
A Air Intake 2 in.
B Exhaust Gas Vent 2 in.
C Hot Water Outlet
3
/
4
in.
D Gas Inlet
3
/
4
in.
E Condensate Outlet
1
/
2
in.
F Cold Water Inlet
3
/
4
in.
Overhead View
3 in. (77 mm)
6.7 in. (170 mm)
4.5 in. (115 mm)
0.4 in. (10 mm)
1.5 in. (38 mm) 14.3 in. (364 mm)
2.6 in. (67 mm)
A
B
Supply Connections
13.2 in. (336 mm)
2.4 in. (61 mm)
C
E FD
2.3 in. (60 mm) 11.3 in. (289 mm)
17.3 in.(440 mm)
2.4 in. (61 mm)
6.5 in. (166 mm)
[NPE-150S2/180S2/210S2/ 240S2]

Navien NPE-240A2 Specifications

General

Type	Tankless
Fuel Type	Natural Gas or Propane
Energy Factor	0.96
Water Connection Size	3/4" NPT
Gas Connection Size	3/4" NPT
Voltage	120 V
Ignition Type	Electronic
Flow Rate	11.2 GPM
Vent Size	2"/3"
Installation Type	Wall Mounted
Venting	Direct Vent
Warranty	15-Year Heat Exchanger, 5-Year Parts, 1-Year Labor
Max Input	199, 900 BTU/h