Navien NPE-240A2 Tankless Water Heater 199,000 BTU/h

Technical Characteristics of Navien NPE-240A2 Tankless Water Heater

• Item
  • NPE-240A2
• Heat Capacity (input)
  • Natural gas
  • Propane
  • 13,300 – 199,900 BTU/h (3.897 – 58.571 kWh)
  • 13,300 – 199,900 BTU/h (3.897 – 58.571 kWh)
• Efficiency ratings
  • UEF (NG & LP)
  • 0.95
• Flow rate (DHW)
  • 35°F temp rise
  • 45°F temp rise
  • 67°F temp rise
  • 11.2 GPM (42.4 l/m)
  • 8.7 GPM (32.9 l/m)
  • 5.6 GPM (21.2 l/m)
• Dimensions
  • 17.3″ W x 27.4″ H x 13.2″ D (43.9cm W x 69.6cm H x 33.5cm D)
• Boiler weight
  • 77 lbs (34.9 kg)
• Installation type
  • Indoor or outdoor wall-hung
• Max Vent Length
  • 0 ft ( m)
• Ignition
  • Electronic ignition
• Water pressure
  • 15-150 PSI (1.055-10.545 kg/cm2)
• Natural gas supply pressure (from source)
  • 3.5 ” WC to 10.5 ” WC (0.87 Kpa to 2.61 Kpa)
• Propane gas supply pressure (from source)
  • 8 ” WC to 13 ” WC (1.99 Kpa to 3.23 Kpa)
• Natural gas manifold pressure (min-max)
  • -0.03 ” WC to -0.96 ” WC (-0.0075 Kpa to -0.24 Kpa)
• Propane gas manifold pressure (min-max)
  • -0.02 ” WC to -0.96 ” WC (-0.005 Kpa to -0.24 Kpa)
• Minimum flow rate
  • 0.5 GPM (1.893 l/m), < 0.01 GPM (0.04 l/m) option*
• Connection sizes
  • Cold water inlet
  • Hot water outlet size
  • Gas inlet
  • 3/4″
  • 3/4″
  • 3/4″
• Power supply
  • Main supply
  • Maximum power consumption
  • 120V AC, 60 Hz
  • 200 W (max 2 A), 350 W (max 4 A) with external pump connected
• Materials
  • Casing
  • Heat exchangers
  • Cold rolled carbon steel
  • Primary heat exchanger: stainless steel Secondary heat exchanger: stainless steel
• Venting
  • Exhaust
  • Intake
  • Vent clearances
  • 2″ or 3″ PVC, CPVC, approved polypropylene and stainless steel 2″ or 3″ special gas vent type BH (Class II, A /B/C)
  • 2″ or 3″ PVC, CPVC, approved polypropylene and stainless steel 2″ or 3″ special gas vent type BH (Class II, A /B/C)
  • 0″ to combustibles
• High elevations
  • 10,100 feet for both NG or LP gas. Please refer to Installation Manual for additional details and instructions.
• Safety Devices
  • Flame rod, APS, ignition operation detector, water temperature high limit switch, exhaust temperature high limit sensor, power surge fuse, burner high limit fuse, vent installation detector (VID)