Navien NHB-55 High Efficiency Condensing Heating Boiler 55MBTU

In stock

NHB-55 premium features and benefits


  • 2″ venting up to 65′; 3” up to 150’ (including schedule 40 PVC).
  • The condensing technology of the dual stainless steel heat exchangers saves energy and reduces greenhouse gasses.
  • NHB integrated control provides industry-leading options and features including adjustable heat capacity, temp boost for outdoor reset control, adjustable anti-cycle timer and freeze protection.
  • The sophisticated gas flow control system provides a high turndown ratio which reduces energy waste and excessive boiler cycling.
  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2″ PVC venting up to 60′
  • ½” Gas pipe up to 40′
  • TDR up to 7:1
  • Integrated controls
  • PLEASE NOTE: In order to purchase this product, we would need assurance this product will be installed by a Licensed Technician for safety purposes. Details would be required before shipping to make sure the Technician/Company is registered to install this Product. Thanks for your cooperation.

Contact Us for Price at 289-999-2334 or



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