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
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)
Performance – Self Powered Diagnostic Control
Natural Gas Tall 50 48 XG50T06EN38U1 38 38 86 61-1/4 58-3/8 20-1/2 14 3 or 4 8 51-3/8 3/4 150 0.63
Natural Gas Short 50 48 XG50S06EN40U1 40 40 85 54-1/4 51-1/8 23-3/4 14 3 or 4 8 44-1/4 3/4 186 0.63
Natural Gas Tall 40 38 XG40T06EN38U1 38 38 71 61-1/2 58-1/2 19 14 3 or 4 8 52-1/4 3/4 127 0.58
Natural Gas Short 40 39 XG39S06EN38U1 38 38 68 52-1/8 49-1/4 21 14 3 or 4 8 42-3/4 3/4 135 0.59
Natural Gas Tall 29 28 XG29T06EN30U1 30 30 51 59-3/4 56-7/8 16-1/2 14 3 or 4 8 50-7/8 3/4 112 0.60
Performance – Self Powered Diagnostic Control with Top T&P
Natural Gas Tall 50 48 XG50T06TN38U1 38 38 86 61-1/4 58-3/8 20-1/2 14 3 or 4 8 3/4 150 0.63
Natural Gas Tall 40 38 XG40T06TN38U1 38 38 71 61-1/2 58-1/2 19 14 3 or 4 8 3/4 127 0.58
Performance – Self Powered Diagnostic Control – High Demand
Natural Gas Tall 55 55 XG55T06EN45U2 45 45.5 99 59-1/8 55-7/8 23-3/4 14 4 8 47-3/4 3/4 188 0.62
®
12/20 FORM NO. THD-PGU N Rev. 8
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
Ultra Low NOx Gas Specifications
Uniform Energy Factor and rated gallon capacity based on Department of Energy (DOE) requirements.
LEED Point = 1
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
E
BA
C
F
H
HOT
WATER
CONNECTION
H
COLD
WATER
CONNECTION
D
1/2"
FLUE
ANODE ROD
TOP T&P
1-1/2" ABOVE
TOP PAN TO
CENTER OF
OPENING
INSTALLED
T&P VALVE
Top T&P Models