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Navien NCB-180E - Combi Boiler - 14k-150k BTU in - 95% AFUE - Nat Gas or LP

Your Price: $2,734.60
Retail Price:$5,299.00
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Part Number:NCB-180E
  • Can use natural gas or propane gas
  • ½ " Gas Pipe Capable Up to 24'
  • Field Convertible Gas System
  • Dual Stainless Steel Heat Exchangers
  • 95.0% AFUE
  • SCH 40, 2" PVC Venting up to 60'
  • Integrated control
Application: Indoor; Gas Type: NG/LP; Min. BtuH Input: 14,000; Max. BtuH Input: 150,000; Hot Water @ 35°F Rise Capacity: 4.0 GPM; Hot Water @ 70°F Rise Capacity: 3.4 GPM; Width: 17"; Height: 28"; Depth: 12"; Wt. Lbs.: 74

  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2” PVC venting up to 60’
  • ½” Gas pipe up to 24’
  • Automatic water filling system
  • integrated controls
  • Data Field NCB-180E
    Gas Input Space Heating 14,000–80,000 BTU/H
    Domestic Hot Water 14,000–150,000 BTU/H
    AFUE 95.0%
    Flow Rate (DHW) 77°F (43°C) Temp Rise 3.4 GPM (12.9 L/m)
    Dimensions 17"(W) x 28"(H) x 12"(D)
    Weight 74 lbs (34kg)
    Installation Type Indoor wall-hung
    Venting Type Forced draft direct vent
    Ignition Electronic ignition
    Water Pressure (Hydronic/DHW) 12–30 PSI /15–150 PSI
    Natural Gas Supply Pressure (from source) 3.5" –10.5" WC
    Propane Gas Supply Pressure (from source) 8.0" –13.5" WC
    Natural Gas Manifold Pressure (min to max) -0.07" WC / -0.66" WC
    Propane Gas Manifold Pressure (min to max) -0.07" WC / -0.62" WC
    Minimum Flow Rate (DHW) 0.5 GPM (1.9 L/m)
    Connection Sizes Heating Supply/Return 1" NPT
    DHW Inlet/Outlet 3/4" NPT
    Gas Inlet 3/4" NPT
    Auto Feeder 1/2" NPT
    Condensate Outlet 1/2" NPT
    Power Supply Main Supply 120V AC, 60Hz
    Maximum Power Consumption 200W (up to 2 amperes)
    Materials Casing Cold rolled carbon steel
    Heat Exchangers Primary/secondary heat exchanger: stainless steel DHW heat exchanger: stainless steel
    Venting Exhaust 2" or 3" PVC, CPVC, approved polypropylene 2" or 3" special gas vent type BH (Class II, A/B/C)
    Intake 2" or 3" PVC, CPVC, polypropylene 2" or 3" special gas vent type BH (Class II, A/B/C)
    Vent Clearances 0" to combustibles
    Safety Devices Flame rod, APS, gas valve operation detector, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor






































































































































































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