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Navien New Wall-Hung Condensing Boiler Series

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Navien New Wall-Hung Condensing Boiler Series

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Navien 121514 (640x425)
Navien is pleased to announce that they have started shipping the new NHB Condensing Gas Boiler Series. The NHB boilers are available in 4 sizes: NHB-55, NHB-80, NHB 110 and NHB-150 with turn-down-ratios respectively of 7:1, 10:1, 11:1, and 15:1. The noteworthy 15:1 TDR in the NHB-150 is achieved with Navien’s advanced burner system. One key component to that efficiency is the newly developed dual Venturi gas delivery system.
With a 95% AFUE rating, the NHBs carry Energy Star’s Most Efficient designation.  Ideal for residential and light commercial use, the NHB series allows the installer an opportunity to achieve a true high-efficiency installation with industry leading options and features in the boiler operation parameters such as:

  • the largest industry turndown ratios providing ease of installation with multiple smaller zones while maintaining high operational efficiencies
  • a timed hydronic supply water boost feature
  • adjustable heat capacity
  • adjustable anti-cycle timer
  • freeze protection
  • adjustable Delta T ranges
  • pressure LWCO with manual reset
  • adjustable minimum burner time setting
  • adjustable turndown ratio timing and many more.

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