As the leader in condensing technology, Navien has already reinvented the water heating industry with the award-winning NPE tankless water heaters and the NCB combi-boilers. The new NHB boiler series is the next in line of innovations from Navien. All NHB boilers have Navien’s advanced burner system, an industry-leading AFUE of 95% and turn down ratios up to 15:1.

PRODUCT OPTIONS:

  • NHB 50 : 8,000 – 50,000 BTU/H
  • NHB 80 : 8,000 – 80,000 BTU/H
  • NHB 110 : 10,000 – 110,000 BTU/H
  • NHB 150 : 10,000 – 150,000 BTU/H

 

Features:

  • Industry’s largest turn down ratio in the NHB-150 providing ease of installation with multiple zones while maintaining high operational efficiencies.
  • Adjustable heat capacity.
  • A timed hydronic supply water boost feature.
  • Adjustable anti-cycle timer.
  • Freeze protection.
  • Pressure LWCO with manual reset.
  • Adjustable minimum burner time setting.
  • Adjustable turn down ratio timing.
  • Outdoor reset and domestic hot water priority.
  • Adjustable outdoor temperature reset curves.
  • Field gas convertible.

Product Options:

Available options: NHB 50 : 8,000 - 50,000 BTU/HNHB 80 : 8,000 - 80,000 BTU/HNHB 110 : 10,000 - 110,000 BTU/HNHB 150 : 10,000 - 150,000 BTU/H