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    Rebates for Marathon Water Heaters     ATTENTION! THIS PROGRAM HAS ENDED.  FOR MARATHON WARRANTY SERVICE, PLEASE CALL: 800-321-6718, EXT. 1.    

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  • GLE News
  • May 22, 2015
    • May 22, 2015   Great Lakes Energy offices will close Monday, May 25, for Memorial Day in honor of those who served. Should you experience an outage, please call our toll-free number:...
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