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Navien - NHB-55 - Condensing Boiler - 55,000 BTU in - 95% AFUE - Nat Gas or LP

Your Price: $2,039.17
Retail Price:$3,945.00
You Save:$1,905.83(48%)
In Stock.
Part Number:NHB-55
  • Turndown ratio up to 15:1
  • Dual stainless steel heat exchangers
  • Backlit front panel display for easy control
  • Low and high voltage terminal strip
  • 15-year heat exchanger and 5-year parts warranty for residential installs
  • 10-year heat exchanger and 3-year parts warranty for commercial installs
BtuH Input: 55,000; Gas Type: NG/LP; AFUE: 95.0%; Width: 17"; Height: 24"; Depth: 12"; Wt. Lbs.: 73;

  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2” PVC venting up to 60’
  • ½” Gas pipe up to 24’
  • TDR up to 10:1
  • integrated controls
  • Data Field NHB-80
    Dimensions 24in. (H) x 17in. (W) x 12in. (D)
    Weight 73 lb (33 kg)
    Installation Type Indoor Wall-Hung
    Venting Type Forced Draft Direct Vent
    Ignition Electronic Ignition
    Natural Gas Supply Pressure (from source) 3.5 in.–10.5 in. WC
    Propane Gas Supply Pressure (from source) 8.0 in.–13.5 in. WC
    Natural Gas Manifold Pressure -0.08 in. WC
    Propane Gas Manifold Pressure -0.07 in. WC
    Gas Connection Size 3/4 in. NPT (female)
    Power Supply Main Supply 120V AC, 60Hz
    Maximum Power Consumption Less than 10A
    Materials Casing Cold-rolled carbon steel
    Heat Exchangers Primary and Secondary: Stainless Steel
    Venting Exhaust 2 in. or 3 in. PVC, CPVC, approved polypropylene* 2 in. or 3 in. Special Gas Vent Type BH (Class III, A/B/C)
    Intake 2 in. or 3 in. PVC, CPVC, polypropylene 2 in. or 3 in. Special Gas Vent Type BH (Class III, A/B/C)
    Vent Clearance 0 in. 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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