11
About the Water Heater
2.6 Dimensions
The following diagrams show the dimensions of the water heater and the table lists the supply connections.
28.2 in (716.5 mm)
26.5 in (675 mm)
Supply Connections
Description
Diameter
A
Exhaust Gas Vent
3 in
B
Air Intake
5 in
C
Condensate Drain
5
/
8
in
D
Hot Water Outlet
3
/
4
in
E
Return Inlet
3
/
4
in
F
Gas Inlet
3
/
4
in
G
Cold Water Inlet
3
/
4
in
Overhead View
A
B
C
4.6 in (117.7 mm)
8.6 in (220 mm)
8.6 in (220 mm)
0.6 in (16 mm)
Supply Connections
D
G
F
E
10.3 in (263.5 mm)
4.4 in (112.3 mm)4.4 in (112.3 mm)
3.9 in (99.8 mm)
3.9 in (99.8 mm)
1.2 in
(30.8 mm)
2.7 in
(68.8
mm)
3 in
(76.3
mm)
5.9 in
(152.3
mm)
2.3 in
(60.2
mm)
17.3 in (440 mm)
5.5 in
(141.1 mm)
8.2 in (210.3 mm)
1.2 in
(30.8 mm)
6.4 in (165 mm)
[NHW700-160AI/180AI/199AI]
