Rheem MR50245, MSR50245 Specifications
INTEGRATED HOME COMFORT
T
INTEGRATED HOME COMFORT
Rheem Marathon® non-metallic electric water
heaters are durable, lightweight, and warranted
not to leak as long as you own your home*
Water
Electric
Marathon Water Heaters
Non-metallic Tank Features
• Seamless, blow-molded, polybutene
tank – impervious to rust and
corrosion
• Multiple layers of filament wound
fiberglass give the tank unmatched
strength
• Polyurethane insulation helps reduce
energy consumption
• Recessed brass drain valve is out of
the way of brooms and scrubbers
• Durable PEX dip tube
• Tough molded polyethylene outer shell
resists dents, scratches, and salt air
Efficiency
• .88 - .92 UEF
• Well insulated for reduced standby
heat loss
• Pipe wrap energy saving kit included
to achieve maximum energy savings
Performance
• FHR: 38 - 83 gallons, depending on
model
Recovery: up to 21 GPH at a 90° F rise
•
Easy Installation & Service
• Marathon’s lightweight tank is easier
to maneuver and position
• Bowl shaped tank bottom allows
complete sediment draining
• Water tight grommets keep out overhead moisture and condensation
Plus…
• Thermally fused upper element
provides protection against dry-firing
• Titanium lower element for superior
resistance to lime build-up
• Brass drain valve
• Temperature and pressure relief valve
• Low Lead compliant
• Standard replacement parts
Warranty
• Residential Application: Lifetime
limited warranty on tank and 6-years
on parts*
• Commercial Application: 5-year limited
tank warranty and 1-year on parts
* Warranty is provided to original customer in
a residential application after online product
registration is complete. Registration must be
completed within 90 days of installation. See
Warranty Certificate for complete information
†
See 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.
†
Marathon
30, 40 50, 85 and
100-Gallon Capacities
240 Volt AC/Single Phase
Electric
LEED Point = 1
See specifications chart on back.
INTEGRATED HOME COMFOR
PRINTED IN U.S.A. 02/18 WP FORM NO. 101-42 N Rev. 8
T
INTEGRATED HOME COMFORT
Water
INTEGRATED HOME COMFORT
Marathon® Specifications
T
Y
NOMINAL
P
GALLON
E
CAPACITY
RATED
GALLON
CAPACITY
MODEL
NUMBER
Tall 30 28 MR30238C
Tall 30 28 MR30245C
Tall 40 38 MR40245C
Tall 50 50 MR50245C
Short 50 48 MSR50245C
†
†
38 21 49 49-1/2 21-5/8 75 0.88
†
†
†
UEF
FIRST HOUR
RATING
G.P.H.
RECOVERY
IN G.P.H.
90° F RISE
38 17 49 49-1/2 21-5/8 75 0.88
51 21 61-1/2 65-1/2 21-3/4 90 0.92
57 21 62-3/4 66-3/4 23-1/2 100 0.91
41 21 43-1/4 47-1/4 28-1/4 95 0.90
Tall 85 84 MRG85245C* 77 21 66-1/4 70-1/4 28-1/4 134 0.92
Tall 100 101 MRG105245C* 83 21 66-3/4 70-3/4 30-1/4 152 0.90
Uniform Energy Factor and rated gallon capacity based on Department of Energy (DOE) requirements.
DESCRIPTION FEATURES
* This water heater is intended only for use as part of an electric thermal storage or demand response program. This water heater
will not provide adequate hot water unless enrolled in such a program and is activated by your utility company or another program
operator. Please confirm the availability of such a program in your local area before purchasing or installing this product.
Water heaters furnished with standard 240 or 120 volt AC, single phase non-simultaneous wiring. If heating elements of different
wattages than those shown are demanded, they must be specifically requested. For height to top of T&P and heat traps add 3-1/2”
to the height to water connection.
Maximum test pressure: 300 PSI. Maximum working pressure: 150 PSI.
* *Recovery calculations used are based on 4500 watt elements used in non-simultaneous operation.
**Recovery = wattage/2.42 x temp. rise °F.
Example: 4500W = 21 GPH
2.42 x 90°
ROUGHING IN DIMENSIONS (SHOWN IN INCHES) ENERGY INFO.
TANK
HEIGHT
A
HEIGHT TO
WATER CONN.BDIAMETER
C
APPROX.
SHIP WT.
(LBS.)
C
A
B
Electric
Marathon Water Heaters
UNIFORM
ENERGY
FACTOR
(UEF)
3/4" NPT
†
LEED Point = 1
5-3/4"
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
INTEGRATED HOME COMFOR
PRINTED IN U.S.A. 02/18 WP FORM NO. 101-42 N Rev. 8
2
Loading...