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Heating, Cooling, Air Quality & Water Heating Systems

Krooswyk Plumbing, Heating, and Air Conditioningstarstarstarstarstar4.5 / 5

182 Total Reviews /files//Krooswyk_logo.jpg219-987-3865$9786 W. 1100 N., DEMOTTE IN

NCB Series High Effiency Wall-Hung Combi

Navien NCB is the first high efficiency tankless condensing combination boiler with the capacity to supply both heat and domestic hot water for larger homes - enough hydronic heat for a whole house, plus hot water to run two showers and a dishwasher all at the same time.

  • Duel inputs: Up to 120 MBtuh for heating and 199 MBtuh for DHW
  • 4.5 GPM at 77 degree temperature rise for domestic hot water
  • Turn-down ratio of 6:1 for heat and 11:1 for DHW
  • Dual stainless steel heat exchangers
  • Field gas convertibility for NG to LPG
  • PVC Venting: up to 60 Ft. with 2 in. or 150 Ft with 3 in.
  • Uses existing 1/2 gas line
  • Linkable with our NPE units for high DHW capacity
MODELInput MBtuHOutput MBtuHAFUEDimensions
Water Content

Warranty Information

  • Heat Exchanger for 120 months -
  • All Parts for 60 months -
  • Limited Labor for 12 months -

Available Documents