User guide

17
Venting 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 30 (9.1) 5 (1.5)
(2) 90 Elbows with (1) 90 Elbow
2 25 (7.6) 5 (1.5)
(2) 90 Elbows with (1) 90 Elbow
3 20 (6.1) 5 (1.5)
(2) 90 Elbows with (1) 90 Elbow
4 15 (4.6) 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.