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  NuTone O4MD 80+% AFUE Oil Furnace, Downflow
NuTone O4MD oil furnaces provide energy-efficient 80% AFUE home heating when combined with our central air conditioners or heat pumps.
 
  • Cool Cabinet: This unit is insulated with spun glass and aluminum foil for a "hand cool" cabinet.
  • Proven Heat Exchanger: Proven heat exchanger design features 100% welded construction for maximum performance.
  • Built to Last: Thermosetting powder coat finish for greater durability.
NuTone O4MD oil furnaces offer exceptional performance. When combined with NuTone coils and air conditioners or air-source heat pumps, this oil furnace delivers energy-efficient 80+% AFUE heating.



Product Code: O4MD
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Warranty Info Technical Specs
 
  • Exceptional 10-year all-parts warranty
  • Long-lasting peace of mind with 10-year Quality Pledge to replace the entire unit if the heat exchanger fails
  • Product registration required

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