Navien NPE-240S2NG NPE-240S2 High Efficiency Condensing Tankless Water Heater 199,900 BTU

Product Description

The Navien NPE-240S2NG is a high-efficiency condensing tankless water heater. It features ½" gas pipe capability up to 24', a field convertible gas system, ultra condensing efficiency, and dual stainless steel heat exchangers. This unit has low NOx emissions (20ppm), SCH 40, 2" venting up to 75', and cascading capability. The water heater also features an EZNav multi-line control panel and a built-in HotButton control panel.

• ½" gas pipe capable up to 24'
• Field convertible gas system
• Ultra condensing efficiency

Product Highlights

High-efficiency condensing tankless water heater with dual stainless steel heat exchangers and low NOx emissions.

Product Information

Standard Information

• Brand: NAVIEN
• Manufacturer Part Number: NPE-240S2NG

Technical Specifications

• Heat Capacity (input) Natural gas: 13,300 - 199,900 BTU/h (3.9 - 58.57 kWh)
• Heat Capacity (input) Propane: 13,300 - 199,900 BTU/h (3.9 - 58.57 kWh)
• UEF (NG & LP): 0.96
• 35°F temp rise: 11.2 GPM (42.4 l/m)
• 45°F temp rise: 8.7 GPM (32.9 l/m)
• 67°F temp rise: 5.8 GPM (22 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: 73 lbs (33.1 kg)
• Installation location: Indoor or outdoor wall-hung
• Venting type: Forced draft direct-vent
• Ignition: Electronic ignition
• Water pressure: 15-150 PSI (1.05-10.55 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 (1.9 l/m)
• Cold water inlet: 3/4" NPT
• Hot water outlet size: 3/4" NPT
• Gas inlet: 3/4" NPT
• Main supply: 120V AC, 60 Hz
• Maximum power consumption: 200 W (max 2 A), 350 W (max 4 A) with external pump connected
• Casing: Cold rolled carbon steel
• Heat exchangers: Primary heat exchanger: stainless steel Secondary heat exchanger: stainless steel
• Exhaust: 2" or 3" PVC, CPVC, approved polypropylene and stainless steel 2" or 3" special gas vent type BH (Class II, A /B/C)
• Intake: 2" or 3" PVC, CPVC, approved polypropylene and stainless steel 2" or 3" special gas vent type BH (Class II, A /B/C)
• Vent clearances: 0" to combustibles
• High elevations: 10,100 feet for both NG or LP gas
• 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)
• Gas Pipe: 0.5" up to 24 feet and 2" up to 75 feet
• Gas Type: Natural gas or liquid propane (kit included)
• Installation: Indoor or Outdoor installs
• Emissions: Ultra condensing and low emissions
• Venting: SCH 40 compatible venting
• Remote Control: Can be remote controlled
• Recirculation: The NPE-S2 series does not have recirculation
• Inlet: 3/4" water and gas inlet