Navien NCB-180 – Combi Boiler – 14k-150k BTU in – 93.5% AFUE – Nat Gas or LP

Description

• Can use natural gas or propane gas
• ½ ” Gas Pipe Capable Up to 24′
• Field Convertible Gas System
• Dual Stainless Steel Heat Exchangers
• 93.5% 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.: 84;

• 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-180 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 to -0.66” WC Propane Gas Manifold Pressure (min to max) -0.06″ WC to -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, 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