Marathon™ Series

The Rheem Marathon™ Series showcase a high-efficiency design with a lightweight tank that won’t corrode. It is the most durable electric water heater ever made.

Marathon™ Series
Features: Non-metalic 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 & 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

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Janet M. Greenwood, IN Aug 18, 2014

Thank you so much for fixing our air in such a short notice. Your company would had been called over the weekend but we figured your company had night and weekend rates like everyone else. So glad that you are not that way and it’s one price whenever! Our home is cool and we are loving it now!

Rheem Contractor in Paducah
WaterFurnace Dealer in Paducah