MarathonTM Water Heaters

Before you buy a new water heater, you really should check out Southern's Marathon Water Heater Program!

50 Gallon Water Heater
  • Available with a $160 service charge
  • 94 percent energy factor
  • Lifetime warranty on the tank
  • 6-Year warranty on all parts (including labor)
85 Gallon Water Heater
  • FREE with load management time clock. Load may be interrupted for up to four hours daily. Without the time clock, the service charge is $330.
  • 92 percent energy factor
  • Lifetime warranty on the tank
  • 6-Year warranty on all parts (including labor)
105 Gallon Water Heater
  • Available with load management time clock for $230. Load may be interrupted up to four hours daily. Without time clock, service charge is $420.
  • 91 percent energy factor
  • Lifetime warranty on the tank
  • 6-Year warranty on all parts (including labor)

Marathon Water Heaters feature a strong plastic tank that won't rust or corrode. The tank is warranted not to leak "for as long as you own your home". The Envirofoam Insulation is energy efficient and environmentally friendly. Parts are warranted for six years, including elements, thermostats and relief valves.

You are eligible to participate in the Marathon Water Heater Program if:
  1. You are a customer of Southern Power District
  2. You are converting to an electric water heater from another fuel source