Water Heater Innovation... With A Warranty to Match!

Available in 85 and 105 gallon models.

  • Limited Lifetime Tank Warranty
  • 6 Year Limited Parts Warranty 

Long Life

  • The seamless, blow-molded, polybutylene tank is impervious to rust and corrosion! 
  • Multiple layers of filament wound fiberglass give the tank unmatched strength. 
  • The tank is designed, built, and warranted not to leak "for as long as you own your home."

Energy Efficiency

  • "ENVIROFOAM"TM insulation is free of ozone depleting CFCs and HCFCs it saves the planet - and it saves energy.
  • Pipe Wrap Energy Kit is included to reduce heat loss from plumbing lines.

Durable

  • Recessed drain valve is out of the way of brooms and scrubbers. 
  • Tough molded outer shell resists dents and scratches. 
  • Bowl shaped bottom allows complete sediment draining.

Functional

  • Factory installed Temperature and Pressure Relief valve for greater value and security.
  • Conduit between controll boxes facilitates wiring for "Off-Peak" use.
  • All plastic tank eleminates the need for anode rod - preventing potential odor problems.

Construction Features

Energy Saving Pipe Wrap Kit

  • Reduces heat loss through plumbing lines.

Temperature and Pressure Relief Valve

  • Factory installed.

Water Tight Grommets

  • Keep out overhead moisture and condensation.

Seamless Molded Non-metallic Inner Tank

  • Can't rust or corrode.

Fill Tube

  • High temperature material to withstand thermal storage and other high temperature applications.

High-tech Heating Elements

  • Upper element fused to protect tank against "dry fire" Bottom element low watt, stainless steel for long life.

Polyethylene Outer jacket

  • Resists dents and scratches during transit, installation and beyond.

Envirofoane

  • A great energy saver and friendly to the ozone layer-it's made without CFCs and HCFCS.

THESE UNITS ARE DESIGNED TO MEET OR EXCEED A.N.S.I. (AMERICAN NATIONAL STANDARDS INSTITUTE) AND HAVE BEEN TESTED ACCORDING TO D.O.E. TEST PROCEDURES AND MEET OR EXCEED THE ENERGY EFFICIENCY REQUIREMENTS OF NAECA, ASHRAE STANDARD 90, BOCA CODE AND ALL STATE ENERGY EFFICIENCY PERFORMANCE CRITERIA FOR ENERGY CONSUMING APPLIANCES.

Your Marathon is Warranted NOT to Leak for as Long as You Own Your Home

The Marathon offers this no-leak promise because of its superior, non-metallic PermaGuard tank construction ... A seamless blow molded polybutylene inner tank with a filament wound fiberglass outer tank for maximum strength. Superior performance, high-efficiency and low operating cost ... for a lifetime! * See Residential Warranty Information Brochure at your dealer for complete warranty information. 

Before purchasing this appliance, read important energy cost and efficiency information
available from your retailer.

85 Gallon Marathon

Model Number
Tank Height 
Height to Water Connection 
Diameter 
Approx. Ship Wt. 
Energy Factor 
Approx. R-Factor 
Price 
MR85245 
66-1/4"
67-1/4"
28-14"
139 lbs.
0.92 
R-20 
$860.00 

105 Gallon Marathon

Model Number
Tank Height 
Height to Water Connection 
Diameter 
Approx. Ship Wt. 
Energy Factor 
Approx. R-Factor 
Price 
MR105245
66-3/4"
67-3/4"
30-1/4"
152 lbs.
0.91
R-20
$950.00