Rheem Power Direct Vent Series, Use & Care Manual

Page: 14 / 40

14
Installing the Water Heater
Table 1
From Sea Level through 5,999 Ft. (1,828 m) Above Sea Level
Model
Vent & Combus-
tion Air-Inlet
System Diameter
Min. Allowed Equivalent
Vent & Combustion Air-
Inlet Lengths (Each Pipe
Run)
Max. Allowed Equivalent
Vent & Combustion Air-
Inlet Lengths (Each Pipe
Run)
Vent and Combustion Air-Inlet System
Termination(s)
Inches Feet Meters Feet Meters
40 Gallon, 40,000
& 38,000 Btu/hr.
Models
2 7 2 30 9 90° Elbows Concentric
3 7 2 60 18 90° Elbows Concentric
50 Gallon, 40,000
Btu/hr. Models
2 7 2 30 9 90° Elbows Concentric
3 7 2 60 18 90° Elbows Concentric
From 6,000 Ft. (1,828 m) Above Sea Level through 7,700 Ft. (2,347 m) Above Sea Level
Model
Vent & Combus-
tion Air-Inlet
System Diameter
Min. Allowed Equivalent
Vent & Combustion Air-
Inlet Lengths (Each Pipe
Run)
Max. Allowed Equivalent
Vent & Combustion Air-
Inlet Lengths (Each Pipe
Run)
Vent and Combustion Air-Inlet System
Termination(s)
Inches Feet Meters Feet Meters
40 Gallon, 40,000
& 38,000 Btu/hr.
Models
2 7 2 15 4.5 90° Elbows
2 7 2 30 9 Concentric
3 7 2 60 18 90° Elbows Concentric
50 Gallon, 40,000
Btu/hr. Models
2 7 2 15 4.5
3 7 2 60 18 90° Elbows Concentric
From 7,701 Ft. (2,347 m) Above Sea Level through 10,200 Ft. (3,109 m) Above Sea Level
Model
Vent & Combus-
tion Air-Inlet
System Diameter
Min. Allowed Equivalent
Vent & Combustion Air-
Inlet Lengths (Each Pipe
Run)
Max. Allowed Equivalent
Vent & Combustion Air-
Inlet Lengths (Each Pipe
Run)
Vent and Combustion Air-Inlet System
Termination(s)
Inches Feet Meters Feet Meters
40 Gallon, 40,000
& 38,000 Btu/hr.
Models
2 7 2 15 4.5 Concentric
3 7 2 60 18 90° Elbows Concentric
50 Gallon, 40,000
Btu/hr. Models
3 7 2 60 18 90° Elbows Concentric