Marathon Water Heater

A Marathon water heater is a great way to save money and energy with the Stored Water Heating and Peak Shave Water Heating programs. Marathon water heaters are 92% energy efficient. This high efficiency unit takes less energy to heat your water and you are able to store your hot water longer.


  • Innovative shape and design
  • Tough molded outer shell resists dents and scratches
  • Seamless, blow-molded polybutylene tank that’s impervious to rust and corrosion
  • Envirofoam insulation free of ozone depleting CFCs and HSFCs, so it saves the planet and saves energy

Marathon water heaters can be purchased by member-consumers at Stearns Electric Association. Rebates are available when the water heater is enrolled on the EnergyWise Stored Water Heating or Peak Shave Water Heating Program.

EnergyWise Rebates