Marathon

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

Efficiency

  • .92 - .93 UEF
  • Well insulated for reduced standby heat loss
  • Pipe wrap energy saving kit included to achieve maximum energy savings

Performance

  • FHR: 41 - 85 gallons, depending on model
  • Recovery: 21 GPH at a 90° F rise

Easy Installation & Service

  • Marathon’s lightweight tank is easier to maneuver and position. Bowl shaped tank bottom drains completely.
  • Bowl shaped tank bottom allows complete sediment draining
  • Water tight grommets keep out overhead moisture and condensation

Plus…

  • 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
  • Low Lead compliant
  • Standard replacement parts



  • The most durable electric water heater ever made
  • High efficiency design and a lightweight tank that won't corrode
  • Seamless polybutene tank – impervious to rust and corrosion
  • 30, 40 and 50 gallon capacities

Documents

Marathon
Use and Care Instructions (Canada FR)
Specification Sheet (US & Canada)
Use and Care Instructions (US and Canada)

Warranties

Residential Application: Lifetime limited warranty on tank and 6-years on parts*

Commercial Application: 5-year limited tank warranty and 1-year on parts†

* Warranty is provided to original customer in a residential application after online product registration is complete. Registration must be completed within 90 days of installation. See Warranty Certificate for complete information
†See Warranty Certificate for complete information 

KwikComfort® Financing can help make your purchase even easier.
Rheem makes it easy to find a financing option that works for you! With many options and benefits available, KwikComfort Financing is the best way to get the home comfort you need without the wait.

  • Applications made easyWe'll help you avoid lengthy contracts, headaches and hassles.
  • Kwik credit decisionsYou'll get an answer to your application within minutes.
  • Fast credit for the futureFinance your Rheem equipment and anything you want to add later.
  • Reduced interest/fixed paymentsGet low interest and fixed monthly payments until the purchase is paid.
  • Minimum monthly paymentTake advantage of convenient monthly payments that fit your budget.
  • Deferred interest/no interestEnjoy interest-free payments as long as the balance is paid by the due date.
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