Navien NHB-110 Condensing Gas Heating Boiler

NHB-110

  • Super condensing efficiency
  • Dual stainless steel heat exchangers
  • SCH40, 2” PVC venting up to 60’
  • ½” Gas pipe up to 24’
  • TDR up to 11:1
  • integrated controls

Navien NHB-110 Condensing Gas Heating Boiler Features

  • Ultra Condensing Efficiency

    Ultra Condensing Efficiency

    • Navien’s Condensing Technology offers the high efficiency.
    • Money and energy savings over other boilers and traditional water heaters.
  • Two Stainless Steel Heat Exchangers

    Two Stainless Steel Heat Exchangers

    • Provides longer life expectancy as they are highly resistant to corrosion and erosion compared to copper heat exchangers.
    • Reduces minerals deposits.
  • Low NOx Emissions (≤ 20ppm)

    Low NOx Emissions (≤ 20ppm)

    • New metal fiber burner is designed to deliver a consistent air/gas mixture improving combustion efficiency.
    • Results in less acid rain and less green house effect.
    • Complies with SCAQMD 1146.2 strict NOx emissions standard.
  • 2

    2” PVC, CPVC, Polyprophylene Venting Up To 60’

    • 2” venting option allows for a flue to be pulled through the existing vent.
    • 3” vents can be used up to 150’ with standard 2” x 3” adapters.
  • Better Adaptability to Gas System

    Utilizes Existing 1/2″ Gas Line

    • The Negative Pressure Gas Valve and fan with dual venturi operation allows for better adaptability to low gas pressure situations.
    • Makes it possible for the NHB to be installed with ½” gas lines up to 24’.
  • Field Convertible

    Field Convertible

    • NHB models allow for easy convertibility from NG to LP.
  • Low NOx Emissions (≤ 20ppm)

    Hydronic Heating Benefits

    • Clean / Silent / Comfort / Economical
  • Ultra Condensing Efficiency

    Powerful Anti-Freeze Feature

    • The Boiler’s built-in Control System is designed to keep the unit’s plumbing frost free in winter conditions.
  • Ultra Condensing Efficiency

    TDR up to 11:1

    • Navien’s NHB series has a TDR up to 11:1 that helps eliminate short cycling
    Data Field NHB-110
    Dimensions 24in. (H) x 17in. (W) x 13in. (D)
    Weight 80 lb (36 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 -0.10 in. WC
    Propane Gas Manifold Pressure -0.09 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* 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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