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Marathon Water Heaters

The Rheem Marathon™ electric water heater is the most energy-efficient water heater in its class. The sleek, modern appearance may be eye-catching, but the revolutionary design will save you money. The Marathon’s 2-1/2″ of Envirofoam™ insulation will help reduce energy consumption by allowing only 5°F heat loss in 24 hours. And with the Marathon’s renowned durability and lifetime tank warranty, this will be the last water heater you will have to purchase for your home.

The Marathon water heater from Rheem is the most energy-marathon-rh-no-backgroundefficient water heater in its class because it is designed with the following features:

  • Seamless, polybutene inner tank is impervious to rust and corrosion
  • 2 ½” of Envirofoam™ insulation significantly reduces heat loss
  • Toughest tank in the residential water heater industry
  • Self-cleaning action with bowl-shaped tank bottom
  • Exterior resistant to bumps and dents
  • Easy-on/easy-off water connections
  • Lifetime tank warranty

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