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DSO Electric Cooperative Inc. | 201 Dakota Drive | Solomon, KS 67480 | 1-800-376-3533

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Marathon Water Heaters

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  1. Products & Services
  2. Marathon Water Heaters

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Marathon Water Heaters are available in 15,20,30,40,50,75,85,105 gallon models*.

 

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 PremaGuard tank construction. A seemless, blow-molded polybutylene inner tank with a filament-wound fiberglass outer tank for maximum strength. The Marathon will provide superior performance, high-efficiency and low operating cost for a lifetime.

Best Construction

No Rust, No Corrosion - EVER! Unique 2-ply design: A seamless, blow-molded polybutene inner tank wrapped in filament-wound fiberglass. Great for brutal "well water" conditions.water_heater.jpg

Best Durability

Toughest and strongest tank in the residential water heater industry. No one comes close. Marathon tanks are regularly tested to withstand 100,000 cycles from 0-150 psi.

Best Functionality

Beauty more than skin deep. No anode rod means no rotten-egg smell from sulfates found in many water systems. Easy-on/easy-off water connections. Self-cleaning action of bowl shaped tank bottom, coupled with a brass drain valve at the very bottom of the tank provides for more complete draining.

High Efficiency

Save on your energy bill. 2.5 inches of foam insulation minimizes stand-by heat loss. No "heat-trap" fittings that can clog or chatter.

Best Value

Marathon's renowned durability eliminates the cost of buying and the cost of reinstalling a new water heater every 10 years (national average). This coupled with energy savings make the total cost of owership lower than typical water heaters.

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*Only 50 gallon models are kept in stock, all other units must be ordered.
**See Residential Warranty Information Brochure at your dealer for complete waranty information.

  • Use and Care Guide
  • Marathon Dimensions

News & Updates

Tuesday | May 17, 2022

Interruptible Residential Rate

Sign up for the New Interruptible Residential Rate As summer approaches, DSO is getting more sign-ups for the interruptible residential rate. When t...
more
Monday | April 25, 2022

New Rates

To Members of DSO Electric Cooperative, Inc. Notice of Board Meeting The board of directors of DSO Electric Cooperative, Inc. (DSO) will meet on May...
more
Friday | April 1, 2022

2022 Report to Members

The following is a 2022 Report to Members from DSO President Brian Lang and DSO CEO Tim Power Board Work For the second year in a row, the DSO boar...
more
Tuesday | March 1, 2022

On the Line

On the Line by Michael Olberding, Operations Manager On December 15 we experienced a heck of a windstorm. The first thing I would like to say is t...
more

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Office Hours: Monday - Friday 8:00 a.m. - 4:30 p.m.

DSO Electric Cooperative, Inc. All Rights Reserved.

Touchstone Energy® Cooperatives is a national network of electric cooperatives across 46 states that provides resources and leverages partnerships to help member cooperatives and their employees better engage and serve their members. By working together, Touchstone Energy cooperatives stand as a source of power and information to their 32 million member-owners every day.

©2022 DSO Electric Cooperative. All Rights Reserved.

  • About Us
    • Vision, Mission, & Core Values
    • Members Policies
    • Bylaws / Rules & Regulations
    • Cooperative History
    • Seven Cooperative Principles
    • Capital Credits
    • Rates
    • Forms
      • Auto Pay
      • Apply for Service
      • Budget Billing Plan
      • Light Outage Form
      • Prepaid Agreement
      • Request for Donation Form
    • Employment
    • Contact Us
    • Directors and Consultants
    • Annual Meeting
  • My Home
    • Why Is My Bill So High?
    • Energy Savings
      • Energy Saving Tips
    • Office and Payment Locations
    • Payment Options
    • Residential Budget Billing
    • Transfer Service
    • Smarthub Signup Instructions
  • My Business
    • Energy Saving Strategies
    • Sector Reports
    • Technology Applications
  • Outage Map
  • Products & Services
    • Co-op Connections Card
    • Air Source Heat Pumps
    • Geothermal Heat Pump
      • Heat Pump Rebates
      • Certificate of Installation
    • Marathon Water Heaters
      • Water Heater Energy Efficiency Program
      • Water Heater Rebate
    • Compact Fluorescent Light
      • CFL Color
    • TESCO
      • Surge Suppression - Information Request
  • Community
    • Economic Development
    • Youth Programs
      • Youth Tour Information Request Form
    • Kansas Country Living
    • DS0 Scholarship Program
  • Renewables
    • BioMass
    • Geothermal Energy
    • Hydrogen
    • Hydropower
    • Solar Energy
    • Wind Energy
  • Safety
    • Education
    • Phone Scams
    • Safety
      • Electric Shock Safety
      • Energy Theft
      • Flood Safety
      • Generator Safety
      • Holiday Lighting Safety
      • Inside Safety
      • Outdoor Safety
      • Hot Weather Safety
  • 4KW Solar
  • Capital Credits
  • Contact Us