Specification
Fuel Type Description
Nominal
Gallon
Capacity
Rated
Gallon
Capacity
Model
Number
Gas Input
in Thous.
BTU/h
Recovery
in G.P.H.
90° F Rise
First Hour
Rating
(Gallons)
Ht. to
Top of
Assembly
A
Tank
Height
B
Diam.
C
Ht. to
Gas
Conn.
D
Water
Conn.
Center
E
Ht. to Side
T&P Valve
F
Water
Conn.
Size
G
Ship
Weight
(LBS)
Uniform
Energy
Factor
(UEF)
Natural Gas Tall 50 48 XG50T06PV42UO 42 42.4 78 65-1/2 58 21-3/4 14 8 52-1/2 3/4 170 0.68
Natural Gas Short 50 48 XG50S06PV36UO 36 36.4 78 58-1/4 51-1/4 23-3/4 14 8 44 3/4 185 0.70
Natural Gas Tall 40 38 XG40T06PV40UO 40 40.4 86 66-1/4 59 19-3/4 14 8 53-1/2 3/4 137 0.69
Natural Gas Short 40 39 XG40S06PV36UO 36 36.4 66 58-1/4 51-1/4 21-3/4 14 8 44-1/4 3/4 161 0.65
Liquid Propane Tall 50 48 XP50T06PV42UO 42 42.4 78 65-1/2 58 21-3/4 14 8 52-1/2 3/4 170 0.68
Liquid Propane Tall 40 38 XP40T06PV36UO 36 36.4 86 66-1/4 59 19-3/4 14 8 53-1/2 3/4 137 0.69
Liquid Propane Short 40 39 XP40S06PV32UO 32 32.4 66 58-1/4 51-1/4 21-3/4 14 8 44-1/4 3/4 161 0.65
Performance – Side Water Connection Models
Natural Gas Tall 50 48 XG50T06PVX42U0 42 42.4 78 65-1/2 58 21-3/4 14 8 52-1/2 3/4 167 0.68
Liquid Propane Tall 50 48 XP50T06PVX42U0 42 42.4 78 65-1/2 58 21-3/4 14 8 52-1/2 3/4 167 0.68
12/23 FORM NO. THD-PGPV N Rev. 12
In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.
Rheem Water Heating • 1115 Northmeadow Parkway, Suite 100
Roswell, Georgia 30076 • www.rheem.com
PERFORMANCE
®
Power Vent Specifications
Uniform Energy Factor and rated gallon capacity based on Department of Energy (DOE) requirements.
LEED Point = 1
Maximum and Minimum Vent Lengths for 2 - 3" Vents
up to 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
Maximum and Minimum Vent Lengths for 2 - 3" Vents
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
For the 2" and 3" vent, one 90° elbow is approximately equal to 5 feet of pipe.
One 45° elbow is approximately equal to 2.5 feet of pipe.
High Ambient Installations
Part Temperature Rating Vent Length Venting Material Required Fitting Material Required
SP21171-
High Ambient
Temperature Kit
100-175° F
First 10 equivalent feet of vent pipe and/or
ttings be of CPVC or ABS
CPVC (Schedule 40,
ASTM F441)
CPVC (Schedule 40,
ASTM F438)
ABS (Schedule 40,
ASTM D2661)
ABS (Schedule 40 DWV,
ASTM D2661)
See Use and Care Manual for additional information and instructions.
HOT
WATER
CONNECTION
COLD
WATER
CONNECTION
POWER VENT
ASSEMBLY
C
B
A
D
G
G
E
T&P FITTING
3/4" N.P. T.
1/2"
ANODE ROD
F
SIDE
TAPS
52-1/2"
20"