Products » Water Heaters » Rheem Marathon Series

Rheem Marathon Series

  • Rheem Marathon Series
  • Rheem Marathon Series

Rheem Marathon Series lifetime electric water heaters feature a high-efficiency design with a lightweight tank that won't corrode. It is the most durable electric water heater ever made.

Marathon

  • The most durable electric water heater ever made
  • High efficiency design and a lightweight tank that won’t corrode
  • 40, 50, 85 and 105 gallon capacities
  • Seamless polybutene tank – impervious to rust and corrosion

Marathon Heavy Duty

  • Available in 85 and 101 gallon capacities
  • .91 - 92 EF
  • The most durable electric water heater ever made
  • High efficiency design and a lightweight tank that won’t corrode

Marathon Point-of-Use

  • Featuring the same unique design as the Marathon, but in smaller capacities
  • Ideal for condos, cabins and light-duty commercial applications
  • 15 and 20 gallon capacities

View Other Water Heaters

I was there the whole time of installation and thought they knew what they were doing. Friendly and pleasing to be around. I've had experience with others in this field and thought these to be the best. Thank you for a job well done.

-Francis W.

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