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1. Seamless Molded Non-metallic Inner Tank - can't rust or corrode.
2. Fill Tube - high-temperature material to withstand thermal storage and other high-temperature applications.
3. High-Tech Heating Elements - upper element fused to protect tank against "dry fire." Bottom element low-watt, stainless steel for long life.
4. Polyethylene Outer Jacket - resists dents and scratches during transit, installation and beyond.
5. Envirofoam - a great energy saver and friendly to the ozone layer; made without CFCs and HCFCs.
6. Fiberglass Tank - has unmatched strength.

For more information on the Marathon Water Heater, contact us at Dakota Valley Electric Cooperative.