Marathon Heavy Duty

Features:

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
  • .91 - .92 EF
  • Well insulated for reduced standby heat loss
  • Pipe wrap energy saving kit included to achieve maximum energy savings
Performance
  • FHR: 87 - 101 gallons, based on gallon capacity
  • Recovery rate: 17.3 gallons GPH at a 90 degree rise
  • Thermostat delivers water temperature consistently at 170° F up to 175° F for high temperature applications
Easy Installation & Service
  • Marathon’s lightweight tank is easier to maneuver and position. Bowl shaped tank bottom drains completely
Plus…
  • Titanium elements for superior corrosion resistance
  • Full-flow, brass drain valve
  • Temperature and pressure relief valve and factory installed vacuum relief valve
  • Low Lead compliant
  • Standard replacement parts


DESCRIPTION
 MARATHON POINT-OF-USE MODELS
GAL CAP.
MODEL NUMBER
75  MHD75245
85 MHD85238
105 MHD105238

  • Available in 85 and 105 gallon capacities
  • .91 - 92 EF
  • The most durable electric water heater ever made
  • High efficiency design and a lightweight tank that won’t corrode

Documents

Marathon Heavy Duty
Pre-NAECA Specification Sheet (US)
Specification Sheet (US)
Use and Care Instructions (US and Canada)
Warranty Information

Warranties

Tank Warranty - 10 Years
Parts Warranty - 5 Years

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