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Residential Products
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Marathon Heavy Duty

MODEL MHD75238

Detailed warranty information can be located in the “Use and Care Instructions”.

“Use and Care Instructions” can be found under the “Specs/Docs” tab

  • Available in 75, 85 and 105 gallon capacities
  • Seamless, blow-molded, polybutene tank - impervious to rust and corrosion
  • The most durable electric water heater ever made
  • High efficiency design and a lightweight tank that won’t corrode
Select Capacity
75
Gallons
85
Gallons
105
Gallons

SKUMHD75238
ModelMarathon Heavy Duty
Height58.625"
Single Shower Minutes34
Number Back To Back Showers3

Marathon® Heavy Duty non-metallic electric water heaters are designed for harsh environments and a warranty to back it up

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 of brooms and scrubbers
  • High temperature polysulfone dip tube
  • Tough molded polyethylene outer shell resists dents, scratches, and salt air

Efficiency

  • Well insulated for reduced standby heat loss
  • Pipe wrap energy saving kit included to achieve maximum energy savings

Performance

  • Recovery Capacity: 18.2 gallons per hour (delivers approximately 78 gallons of hot water in the first hour for 75-gallon models, 91 gallons for 85-gallon models and 104 gallons for 105-gallon models)**
  • Thermostat capable of delivering water temperature up to 180° F for high temperature applications

Easy Installation & Service

  • Marathon’s lightweight tank is easier to maneuver and position
  • 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 upper and lower elements for superior resistance to lime build-up
  • Full-flow, brass drain valve
  • Temperature and pressure relief valve and factory installed vacuum relief valve
  • Low lead compliant
  • Standard replacement parts
DESCRIPTION
MARATHON HEAVY DUTY MODELS
GAL CAP.
MODEL NUMBER
75  MHD75245
85 MHD85245
105 MHD105245

Detailed warranty information can be located in the “Use and Care Instructions”.

“Use and Care Instructions” can be found under the “Specs/Docs” tab