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
Delivery
G.P.H.
Ht. to
Vent
A
Tank
Height
B
Diam.
C
Ht. to
Gas
Conn.
D
Vent
Size
E
Water
Conn.
Center
F
Ht. to Side
T&P Valve
G
Water
Conn.
Size
H
Ship
Weight
(LBS)
Uniform
Energy
Factor
(UEF)
Natural Gas Tall 55 55 XG55T12EC50UO 50 51 97 59-1/4 58 23-3/4 14-1/4 4 8 48-3/4 3/4 175 0.62
Natural Gas Tall 50 48 XG50T12HE40UO 40 40.4 77 62-3/4 59-1/4 21-1/2 14 3 or 4 8 52-1/2 3/4 165 0.64
Natural Gas Tall 40 38 XG40T12HE40UO 40 40.4 84 63-3/4 60-1/4 19-1/2 14 3 or 4 8 53-1/2 3/4 135 0.65
Natural Gas Short 40 39 XG40S12HE38UO 38 38.4 69 53-3/4 50-1/4 21-1/2 14 3 8 44 3/4 125 0.58
Liquid Propane Tall 50 48 XP50T12HE36UO 36 36.4 77 62-3/4 59-1/4 21-1/2 14 3 or 4 8 52-1/2 3/4 165 0.64
Liquid Propane Tall 40 38 XP40T12HE36UO 36 36.4 84 63-3/4 60-1/4 19-1/2 14 3 or 4 8 53-1/2 3/4 135 0.65
Liquid Propane Short 40 39 XP40S12HE36UO 36 36.4 69 53-3/4 50-1/4 21-1/2 14 3 8 44 3/4 125 0.59
11/17 FORM NO. THD-PPHE Rev. 5
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
High Efficiency Atmospheric Gas Specifications
Uniform Energy Factor and rated gallon capacity based on Department of Energy (DOE) requirements.
E
G
BA
C
F
H
HOT
WATER
CONNECTION
H
COLD
WATER
CONNECTION
D
1/2"
3/4" N.P.T.
RELIEF
VALVE
OPENING
FLUE
ANODE ROD
LEED Point = 1