Specification

Power Direct Vent
Gas Water Heaters
3
Air-Inlet Venting Information for GPDV50-65 and GPDV75
From Sea Level Through 2,000 ft. Above Sea Level
Vent & Combustion Air-Inlet Minimum Allowed Equivalent Vent & Combustion Maximum Allowed Equivalent Vent & Combustion Vent and Combustion
Model System Diameter (Inches) Air-Inlet Lengths – Each Pipe Run (Ft.) Air-Inlet Lengths – Each Pipe Run (Ft.) Air-Inlet System Termination(s)
GPDV50-65 3 7 50 90° Elbows
GPDV50-65 3 7 40 Concentric*
GPDV50-65 4 7 100 90° Elbows
GPDV75 3 8 50 90° Elbows
GPDV75 3 8 40 Concentric*
GPDV75 4 8 100 90° Elbows
From 2,001 ft. Above Sea Level Through 5,999 ft. Above Sea Level
Vent & Combustion Air-Inlet Minimum Allowed Equivalent Vent & Combustion Maximum Allowed Equivalent Vent & Combustion Vent and Combustion
Model System Diameter (Inches) Air-Inlet Lengths – Each Pipe Run (Ft.) Air-Inlet Lengths – Each Pipe Run (Ft.) Air-Inlet System Termination(s)
GPDV50-65 3 7 50 90° Elbows
GPDV50-65 3 7 40 Concentric*
GPDV50-65 4 7 100 90° Elbows
GPDV75 3 8 25 90° Elbows
GPDV75 3 8 20 Concentric*
GPDV75 4 8 100 90° Elbows
From 6,000 ft. Above Sea Level Through 7,700 ft. Above Sea Level
Vent & Combustion Air-Inlet Minimum Allowed Equivalent Vent & Combustion Maximum Allowed Equivalent Vent & Combustion Vent and Combustion
Model System Diameter (Inches) Air-Inlet Lengths – Each Pipe Run (Ft.) Air-Inlet Lengths – Each Pipe Run (Ft.) Air-Inlet System Termination(s)
GPDV50-65 3 7 50 90° Elbows
GPDV50-65 3 7 40 Concentric*
GPDV50-65 4 7 100 90° Elbows
GPDV75 4 8 50 90° Elbows
From 7,701 ft. Above Sea Level Through 10,200 ft. Above Sea Level
Vent & Combustion Air-Inlet Minimum Allowed Equivalent Vent & Combustion Maximum Allowed Equivalent Vent & Combustion Vent and Combustion
Model System Diameter (Inches) Air-Inlet Lengths – Each Pipe Run (Ft.) Air-Inlet Lengths – Each Pipe Run (Ft.) Air-Inlet System Termination(s)
GPDV50-65 3 7 25 90° Elbows
GPDV50-65 3 7 20 Concentric*
GPDV50-65 4 7 100 90° Elbows
• One 90° elbow is approximately equivalent to 5 feet of pipe. One 45° elbow is approximately equivalent to 2.5 feet of pipe.
* Use only Rheem 3 inch concentric termination.
For Canadian installations, use ULC-S636 PVC and CPVC pipe.