Rheem Professional Classic Series: Ultra Low NOx Specification Sheet
Professional
Classic™ Ultra Low NOx gas water
heaters are SCAQMD rule 1121 compliant
with 10 ng/J NOx emissions
In keeping with its policy of continuous progress and product improvement, Rheem reserves the right to make changes without notice.
Rheem Water Heating • 101 Bell Road
Montgomery, Alabama 36117-4305 • www.rheem.com
Energy Factor based on D.O.E. (Department of Energy) test procedures.
Efficiency
• .60 - .63 EF
• More hot water at a low operating
cost
Performance
• FHR: 53 - 91 gallons for natural gas
• Recovery: 30.3 to 40.4 GPH at a
90° F rise, depending on model
Guardian System™ & Sensor
• Exclusive air/fuel shut-off device for
double protection
• Maintenance free – no filter to clean
• Protective control system that
disables the heater in the presence of
flammable vapor accumulation
Low Emissions
• Ultra Low NOx radiant
burner design
• Stainless steel construction
• SCAQMD Rule 1121 compliant
• Meets 10 ng/J NOx requirements
Self-Cleaning
• EverKleen™ patented system fights
sediment build-up
• Reduces fuel costs
• Provides more hot water
Easy to Light
• No matches required
Longer Life
• Premium grade anode rod provides
long-lasting tank protection
High Altitude Compliant
• All models certified up to 5,999 ft.
above sea level
• 38-Gallon short model certified up to
8,400 ft. above sea level
Plus…
• Enhanced flow brass drain valve
• Temperature and pressure relief valve
included
• Low lead compliant
• Exclusive Rheemglas® lining
Warranty
• 6-Year limited tank and parts
warranty*
• With ProtectionPlus™ the 6-year limited
tank warranty becomes 10-year
* See Residential Warranty Certificate for
complete information
Units meet or exceed ANSI requirements and have
been tested according to D.O.E. procedures. Units
meet or exceed the energy efficiency requirements
of NAECA, ASHRAE standard 90, ICC Code and all
state energy efficiency performance criteria.
Professional
Classic
Ultra Low NOx
28, 38, and
48-Gallon Capacities
Up to 40,000 Btu/h
Natural Gas
Water
INTEGRATED HOME COMFORT
Residential Gas
Professional
Classic
Ultra Low NOx Water Heaters
E
G
B
A
C
F
H
HOT
WATER
CONNECTION
H
COLD
WATER
CONNECTION
D
1/2"
3/4" N.P.T.
RELIEF
VALVE
OPENING
FLUE
ANODE ROD
DESCRIPTION
FEATURES
ROUGHING IN DIMENSIONS (SHOWN IN INCHES)
ENERGY INFO.
T
HT. TO
WATER
HT. TO
WATER
Y
GAS INPUT IN
RECOVERY IN FIRST HOUR
HT. TO
TANK
GAS
VENT
CONN.
SIDE T&P
CONN.
SHIP.
ENERGY
P
GAL. MODEL
THOUS. BTU/H G.P.H. 90° RISE DEL. G.P.H.
VENT
HT.
DIAM.
CONN.
SIZE
CNTR.
VALVE
SIZE WT.
FACTOR
E CAP. NUMBER
NAT.
NAT.
NAT.
A
B
C
D
E
F
G
H
(LBS)
NAT.
Tall 28 PROG28-30U RH63
30
30.3
53
58-7/8
56-1/8 16-1/2 17-1/2 3 or 4
8
50-1/8
3/4
108
0.63
Tall 38 PROG38-38U RH62
38
38.4
72
60-1/2
57-3/4
19
17-1/2 3 or 4
8
51-3/4
3/4
132
0.62
Tall 48 PROG48-40U RH60
40
40.4
91
60-5/8
57-7/8 20-1/2 17-1/2 3 or 4
8
51-3/4
3/4
139
0.60
Short 38 PROG38S-36U RH62
36
36.4
68
51-7/8
49-1/8
21
17-1/2 3 or 4
8
43
3/4
127
0.62
PRINTED IN U.S.A. 02/15 WP FORM NO. PROG RHULN N
INTEGRATED HOME COMFORT
INTEGRATED HOME COMFORT
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