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Residential Products
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Marathon

MODEL MRG85245C
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 
  • High efficiency design and a lightweight tank that won't corrode
  • Seamless polybutene tank – impervious to rust and corrosion
  • 30, 40, 50, 85 and 100 gallon capacities
Select Capacity
12
Gallons
16
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30
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40
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50
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60
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70
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75
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85
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100
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105
Gallons

SKUMRG85245C
Warranty Years100
ModelMarathon
FuelElectric
Install LocationIndoor

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

  • .90 - .92 UEF
  • Well insulated for reduced standby heat loss
  • Pipe wrap energy saving kit included to achieve maximum energy savings

Performance

  • FHR: 37 - 83 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



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