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NAVIEN NPE-210A Condensing Tankless Water Heater

Gas Water Heater

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  1. General Details
    • ½ gas pipe capable up to 24′
    • Field convertible gas system
    • Ultra condensing efficiency
    • Dual stainless steel heat exchanges
    • Low NOx emissions (20ppm)
    • SCH 40, 2″ venting up to 60′
    • Cascading capable
  2. Specifications
    Item NPE-210A
    Heat Capacity (input) Natural gas 19,900 – 180,000 (BTU/H)
    Propane gas 19,900 – 180,000 (BTU/H)
    Efficiency Ratings UEF (NG & LP) 0.96
    EF (Canada NG & LP) 0.97
    Flow rate (DHW) 35°F (19°C) temp rise 10.1 GPM (38.2 L/m)
    45°F (25°C) temp rise 7.8 GPM (29.5 L/m)
    67°F (37°C) temp rise 5.0 GPM (18.9 L/m)
    Dimensions 17.3″ W x 27.4″ H x 13.2″ D
    Weight 82.0lbs (37kg)
    Installation Type Indoor or outdoor wall-hung
    Venting Type Forced draft direct vent
    Ignition Electronic ignition
    Water Pressure 15.0-150.0 psi
    Natural gas supply pressure (from source) 3.5″ WC to 10.5″ WC
    Propane gas supply pressure (from source) 8″ WC to 13″ WC
    Natural gas manifold pressure (min-max) -0.05″ WC to -0.36″ WC
    Propane gas manifold pressure (min-max) -0.05″ WC to -0.5″ WC
    Minimum flow rate 0.5 GPM (1.9 L/m), < 0.01 GPM (0.04 L/m) option for “A” models*
    Connection Sizes Cold water inlet 3/4″
    Hot Water Outlet Size 3/4″
    Gas inlet 3/4″
    Power Supply Main supply 120V 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 exchangers: stainless steel; secondary heat exchangers: 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, ignition operation detector, water temperature high limit switch,exhaust temperature high limit sensor, power surge fuse

    *Available for “A” models configured in an optional ComfortFlow recirculation mode. Additional energy use will occur when using recirculation.

    Navien reserves the right to change specifications at any time without prior notice.