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Marathon Tour
Use & Care Guide (PDF)





The Marathon electric water heater offers these advantages:

  • It's the most durable water heater made, with a warranty to match
  • Tank comes complete with a factory installed vacuum relief valve, ¾" brass tee and ¾" brass nipple for easy, professional installations.
  • Replaceable brass drain valve
  • All wiring run in conduit for easy control wiring
  • Seamless blow molded polybutene tank with no anode rod required for a corrosion free life
  • High temperature, commercial-grade diptubes for greater durability
  • The filament wound fiberglass outer tank is designed to be more flexible and withstand more pressure than conventional tanks
  • Our unique high temperature dip tube is offset from the concave bottom, creating a "whirlpool effect" which helps prevent sediment build-up
  • Every tank includes 4' of pipe insulation for even greater savings.
  • For complete specifications of all models, click here: Specifications


See the Marathon Tour for an informational video.