Instructions / Assembly

14
Installing the water heater
Table 1
From Sea Level through 2,000 Ft. (609 m) Above Sea Level
Model Gas
Heater Input
Vent System
Diameter
Min. Allowed Equivalent
Vent Length
Max. Allowed Equivalent
Vent Length
Vent System
Termination
Btu/hr. Inches Feet Meters Feet Meters
All
Natural &
Propane
42,000
40,000
36,000
32,000
2 7 2.1 55 16.7 45° Elbow
3 7 2.1 150 45.7 45° Elbow
From 2,000 Ft. (609 m) through 7,800 Ft. (2,377 m) Above Sea Level
Model Gas
Heater Input
Vent System
Diameter
Min. Allowed Equivalent
Vent Length
Max. Allowed Equivalent
Vent Length
Vent System
Termination
Btu/hr. Inches Feet Meters Feet Meters
40 Gallon Natural 40,000
2 7 2.1 25 7.6 45° Elbow
3 7 2.1 150 45.7 45° Elbow
40 Gallon Propane 36,000
2 7 2.1 35 10.6 45° Elbow
3 7 2.1 150 45.7 45° Elbow
40 Gallon
Natural &
Propane
36,000
32,000
2 7 2.1 40 12.2 45° Elbow
3 7 2.1 150 45.7 45° Elbow
50 Gallon
Natural &
Propane
42,000
36,000
32,000
2 7 2.1 35 10.6 45° Elbow
3 7 2.1 150 45.7 45° Elbow