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Navien NPE-180A Condensing Tankless Gas Water Heater

NPE-180A

  • ½” gas pipe capable up to 24’
  • Field convertible gas system
  • Ultra condensing efficiency
  • Dual stainless steel heat exchangers
  • Low NOx emissions (≤ 20ppm)
  • SCH 40, 2” venting up to 60’
  • Cascading capable

Navien NPE-180A Premium Condensing Tankless Gas Water Heater Features

  • Ultra Condensing Efficiency

    Ultra Condensing Efficiency

    • Navien’s Condensing Technology offers the high efficiency.
    • Money and energy savings over tank type water heaters 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.
    • Result in less acid rain and less green house effect.
    • Comply with SCAQMD 1146.2 strict NOx emissions standard.
  • 2” PVC, CPVC, Polyprophylene Venting Up To 60’

    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 applications.
    • Makes it possible for the NPE to be installed ½” gas lines up to 24’.
  • Field Convertible

    Field Convertible

    • NPE models allow for easy convertibility from NG to LP.
  • Ultra Condensing Efficiency

    Less Water Pressure Drop

    • Simple modular for water path minimizes water pressure drop.
    • Modular design for water path make maintenance easier and service can be performed easily in the field.
  • Intelligent Preheating Technology

    Intelligent Preheating Technology

    • Recognizes hot water usage patterns to intelligently provide hot water when needed.

  • ComfortFlow

    • Eliminates cold water sandwich.
    • Saves water with the reduced time to get hot water.
    • Saves money with built-in recirculation system.
    • Intelligent pre-heating function.

title icon Offers the ultimate hot water experience

NAVIEN’S READY LINK
CASCADE SYSTEM

Multiple units can be connected
in parallel for larger applications.

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  • Navien’s units have built in controls for multi-unit system allowing easy setting.
  • No extra control boards are required, reducing installation costs.
  • Easy wiring between units and easy setting of the parent and child for multi-unit system.
  • 16 units can be linked as one group and cascade as many groups as you need.
  • Cascading allows for added redundancy insuring on-demand hot water in all situations.
  • Small and compact wall-hung design allows multi-unit system even in a confined area.
  • Used for hotels, schools, hospitals, beauty shops, restaurants, health centers, and more.
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    Front Panel Command Center

    • Self-diagnostics
    • Displays temperature and water flow rate
    • Displays status of cascade operation
    • Convertible display from °F to °C
    • User Friendly Interface
    • Easy setup
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    Remote Control (Optional)

    • Hot water temperature control
    • Recirculation timer setting
    • Function to set the number of initial activating water heaters for cascade system
    • Temperature set-up for cascade system with external tanks.
    Data Field NPE-180A
    Heat Capacity (Input) Natural Gas 15,000-150,000 BTU/h
    Propane Gas 15,000-150,000 BTU/h
    Energy Factor NG / LPG (DOE) 0.97/0.97
    Flow Rate (DHW) 35⁰F(19⁰C) Temp Rise 8.4 GPM (32 L/m)
    45⁰F(25⁰C) Temp Rise 6.5 GPM (25 L/m)
    77⁰F(43⁰C) Temp Rise 3.8 GPM (14 L/m)
    Dimensions 17.3″(W) x 27.4″(H) x 11.4″(D)
    Weight 75 lbs (34kg)
    Installation Type Indoor or Outdoor Wall-Hung
    Venting Type Forced draft direct vent
    Ignition Electronic Ignition
    Water Pressure 15-150 PSI
    Natural Gas Supply Pressure (from source) 3.5″-10.5″ WC
    Propane Gas Supply Pressure (from source) 8″-13″ WC
    Natural Gas Manifold Pressure (min to max) -0.04″ WC to -0.84″ WC
    Propane Gas Manifold Pressure(min to max) -0.03″ WC to -0.50″ WC
    Minimum Flow Rate 0 GPM (0 L/m)
    Connection Sizes Cold Water Inlet 3/4″ NPT
    Hot Water Outlet 3/4″ NPT
    Recirculation Inlet 3/4″ NPT
    Gas Inlet 3/4″ NPT (Suitable for use with 1/2″ rigid gas pipe; refer to installation manual for sizing criteria)
    Power Supply Main Supply 120 V AC, 60Hz
    Maximum Power Consumption 200W (max 2A), 350W (max 4A) with external pump connected
    Materials Casing Cold rolled carbon steel
    Heat Exchangers Primary Heat Exchanger: Stainless Steel Secondary 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 APS, Ignition Operation Detector, Water Temperature High Limit Switch, Exhaust Temperature High Limit Sensor, Power Surge Fuse