All Navien NCB boilers have Navien’s advanced burner system.
The industry’s largest turn down ratio means easier installation with
multiple zones while maintaining high operational efficiencies.

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NCB Navien boiler

  • Much more energy efficient than old fashioned boiler systems
  • 95% AFUE recognized as Energy Star Most Efficient rating
  • Energy Star certified
  • Backed by the industry’s strongest warranty - 15 years limited on heat exchangers
  • Takes up about 80% less space than traditional floor standing boilers
  • Longer lasting than traditional floor standing boilers
  • Easy to use control panel
  • Elegant, clean appearance
  • Improves resale value
  • Ideal for replacements or new construction

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