Installation / Operation Instruction Manual

18
Venting (Part I) continued-
TABLE 3
3” (7.6 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR
LOW GROUND CLEARANCE INSTALLATIONS
Terminating
# of
Elbows
Max Straight
Length ft (m)
Min
straight
Length
ft (m)
48,65 gal.
(2) 90° Elbows with (1) 90° Elbow
1
40 (12.2)
5 (1.5)
(2) 90° Elbows with (1) 90° Elbow
2
35 (10.7)
5 (1.5)
(2) 90° Elbows with (1) 90° Elbow
3
30 (9.1)
5 (1.5)
(2) 90° Elbows with (1) 90° Elbow
4
25 (7.6)
5 (1.5)
TABLE 4
4” (10.2 cm) VENT CONNECTOR LENGTHS FROM INSIDE WALL FOR
LOW GROUND CLEARANCE INSTALLATIONS
Terminating (Reduce 4” to 3”)
(Reduce 10.1 cm to 7.6 cm)
# of
Elbows
Max straight
Length ft (m)
Min
straight
Length
ft (m)
48,65 gal.
(2) 90° Elbows with (1) 90° Elbow
1
160 (48.8)
10 (3.1)
(2) 90° Elbows with (1) 90° Elbow
2
155 (47.2)
10 (3.1)
(2) 90° Elbows with (1) 90° Elbow
3
150 (45.7)
10 (3.1)
(2) 90° Elbows with (1) 90° Elbow
4
145 (44.2)
10 (3.1)
(2) 90° Elbows with (1) 90° Elbow
5
140 (42.7)
10 (3.1)
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.