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Rheem MR50245 - Marathon Series Non Metallic, Water Heater, Electric, 50 Gallon, 240VAC, Single Phase, Tall

Item: MR50245
MFR: MR50245
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Marathon™ non-metallic electric water heaters are durable, lightweight, and warranted not to leak as long as you own your home*...

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 drain valve is out of the way brooms and scrubbers
  • High temperature polysulfone dip tube
  • Tough molded polyethylene outer shell resists dents, scratches, and salt air
  • .90 - .94 EF
  • Well insulated for reduced standby heat loss
  • Pipe wrap energy saving kit included to achieve maximum energy savings
  • FHR: 52-104 gallons, based on gallon capacity
  • Recovery rate: 20 gallons GPH at a 90 degree rise
  • Capacity and Dimensions - 40, 50, 85, 105 Gallon tall models and a 50 gallon short
Easy Installation & Service
  • Marathon's lightweight tank is easier to maneuver and position. Bowl shaped tank bottom drains completely.
  • Thermally fused upper element provides protection against dry-firing - titanium lower element for superior resistance to lime build-up
  • Full-flow, brass drain valve
  • Temperature and pressure relief valve
  • Standard replacement parts
  • Lifetime limited warranty on tank and 6 years on parts*
  • * 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.


NameRheem MR50245 - Marathon Series Non Metallic, Water Heater, Electric, 50 Gallon, 240VAC, Single Phase, Tall
Gemaire Item NumberMR50245
Manufacturer Product NumberMR50245
SKU - PIM Number1404816218803
ERP Number257628
Unit of MeasureEACH
Weight100.0 Pound (lb.)
Length23.5 Inches (in)
Width23.5 Inches (in)
Height66.8 Inches (in)
Hazardous MaterialNo
EPA Cert RequiredNo
Country of OriginNo
TierSpecialty Marathon
Voltage240 VAC
Capacity Gallons50
CertificationsAHRI Certified, US Green Building Council Member
CompositionPolybutene tank, Fiberglass, Polyurethane Insulation, Brass Drain Valve, Polysulfone Dip Tube, Molded Polyethylene Outer Shell
Connection Size3/4"
Connection TypeNPT
Maximum Pressure (PSI)300
Number of Elements2
Warranty OfferedResidential Application: Lifetime limited warranty on tank and 6-years on parts, Commercial Application: 5-year limited tank warranty and 1-year on parts†
Energy Star RatedNo
ComplianceLow lead
UL ListedYes
UL RecognizedNo
Product FamilyMR
GEM - Case Quantity