Marathon

Marathon™ non-metallic electric water heaters are durable, lightweight, and warranted not to leak as long as you own your home*.

Features:

Non-metalic 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 - .94 EF
  • Well insulated for reduced standby heat loss
  • Pipe wrap energy saving kit included to achieve maximum energy savings
Performance
  • FHR: 52-104 gallons, based on gallon capacity
  • Recovery rate: 20 gallons GPH at a 90 degree rise
  • Capacity & Dimensions
  • 40, 50, 85, 105 Gallon tall models and a 50 gallon short
Easy Installation & Service
  • Marathon’s lightweight tank is easier to maneuver and position. Bowl shaped tank bottom drains completely.
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
  • Standard replacement parts

DESCRIPTION
 MARATHON MODELS 
  TYPE GAL CAP. MODEL NUMBER

ELEMENTS

  TALL
40 MR40245
    50 MR50245
 
85 MR85245
    105 MR105245
  SHORT 50 MSR50245
         
TALL 40 CMR40230  240V, 3.0KW
  40  CMR40245  240V, 4.5KW
  50 CMR50230  240V, 3.0KW
  50 CMR50238  240V, 3.8KW
  50 CMR50245  240V, 4.5KW
  75  CMR75238 240V, 3.8KW
  75  CMR75245  240V, 4.5KW
  85  CMR85245  240V, 4.5KW
  105  CMR105230  240V, 3.0KW
  105  CMR105245  240V, 4,5KW
SHORT 50  CMSR50230  240V, 4.5KW
  50  CMSR50245  240V, 4.5KW
 
Available in Canada only

  • The most durable electric water heater ever made
  • High efficiency design and a lightweight tank that won’t corrode
  • 40, 50, 85 and 105 gallon capacities
  • Seamless polybutene tank – impervious to rust and corrosion

Documents

Marathon
Brochure (Canada)
Brochure (US)
Spec Sheet (Canada)
Spec Sheet (US)
Spec Sheet - Heavy Duty (US and Canada)
Use and Care Manual (US and Canada)

Warranties

United States
Tank - Limited Lifetime
Parts - 6 Years


Canada

Tank - Limited Lifetime
Parts - 6 Years