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Legacy Fixed-Speed 80 Efficiency

Legacy™ Line Fixed-Speed


  • Energy Efficiency 4 of 7
  • Quiet Level 4 of 7
  • Durability 7 of 7

Legacy™ Line Fixed-Speed

Models: 310A, 311A

These furnaces deliver reliable heating that's welcome in any home, especially yours. It's comfort you can count on from North America's most trusted name in heating, cooling and ventilation. For enhanced control over constant fan airflow, the Model 311A offers Fan On Plus™ technology.

Key Features:

  • Fan On Plus™ technology lets you choose the speed of continuous fan operation with a compatible control (311A only)
  • QuieTech™ noise reduction system
  • Pilot-freePerfectLight™ ignition
  • Insulated cabinet for quieter operation
  • 20-year limited warranty on heat exchanger
  • 10-year parts limited warranty upon registration

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