Venting continued-
3 inch (7.6 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL
FOR LOW GROUND CLEARANCE INSTALLATIONS
Terminating
(2) 90 Elbows with (1) 90 Elbow
(2) 90 Elbows with (1) 90 Elbow
(2) 90 Elbows with (1) 90 Elbow
(2) 90 Elbows with (1) 90 Elbow
4 inch (10.2 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL
FOR LOW GROUND CLEARANCE INSTALLATIONS
Terminating (Reduce 4 inch to
3 inch)
(Reduce 10.1 cm to 7.6 cm)
(2) 90 Elbows with (1) 90 Elbow
(2) 90 Elbows with (1) 90 Elbow
(2) 90 Elbows with (1) 90 Elbow
(2) 90 Elbows with (1) 90 Elbow
(2) 90 Elbows with (1) 90 Elbow
HIGH ALTITUDE INSTALLATIONS FOR ELEVATIONS OVER 2,500 FEET
(762 m) ABOVE SEA LEVEL
The capacity of the induced draft blower declines with increasing altitude due to
a reduction in the air density. In order to assure safe and reliable performance
of the water heater, contact the supplier for high altitude kit.
TABLE 3
# of
Max Straight
Elbows
Length ft (m)
(excl.
vent
term.)
1
2
3
4
TABLE 4
# of
Max straight
Elbows
Length ft (m)
(excl.
vent
term.)
1
2
3
4
5
18
55 and 75 gal.
30 (9.1)
25 (7.6)
20 (6.1)
15 (4.6)
55 and 75 gal.
160 (48.8)
155 (47.2)
150 (45.7)
145 (44.2)
140 (42.7)
Min
straight
Length
ft (m)
5 (1.5)
5 (1.5)
5 (1.5)
5 (1.5)
Min
straight
Length
ft (m)
10 (3.1)
10 (3.1)
10 (3.1)
10 (3.1)
10 (3.1)