Navien NPE-240S Condensing Tankless Water Heater

Description:

  • Max Input: 199,900 BTU/H
  • Indoor or outdoor wall-hung
  • Residential/Commercial
  • 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

Description

Navien NPE-Standard Series Condensing Tankless Water Heaters

Item
NPE-240S
Summary
  • 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
Heat Capacity (input) Natural gas 19,900 – 199,900 (BTU/H)
Propane gas 19,900 – 199,900 (BTU/H)
Efficiency Ratings UEF (NG & LP) 0.97
EF (Canada NG & LP) 0.99
Flow rate (DHW) 35°F (19°C) temp rise 11.2 GPM (42.4 L/m)
45°F (25°C) temp rise 8.7 GPM (32.9 L/m)
67°F (37°C) temp rise 5.7 GPM (21.6 L/m)
Dimensions 17.0″ W x 27.4″ H x 13.2″ D
Weight 75lbs (34kg)
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 -0.58″ WC
Propane gas manifold pressure (min-max) -0.1″ WC to -0.78″ WC
Minimum flow rate 0.5 GPM (1.9 L/m)
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

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