Navien NPE-180S2NG High Efficiency Condensing Tankless Water Heater 150000 BTU

Product Description

The Navien NPE-180S2NG 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) and SCH 40, 2" venting up to 75'. It is cascading capable and has an EZNav multi-line 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-180S2NG
• Country of Origin: USA

Technical Specifications

• Heat Capacity (input) Natural gas: 10,000 - 150,000 BTU/h (2.93 - 43.95 kWh)
• Propane: 10,000 - 150,000 BTU/h (2.93 - 43.95 kWh)
• UEF (NG & LP): 0.96
• 35°F temp rise: 8.4 GPM (31.8 l/m)
• 45°F temp rise: 6.5 GPM (24.6 l/m)
• 67°F temp rise: 4.3 GPM (16.3 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: 68 lbs (30.8 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 -0.55 " WC (-0.0075 kPa to -0.14 kPa)
• Propane gas manifold pressure (min-max): -0.02 " WC to -0.55 " WC (-0.005 kPa to -0.14 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
• Gas Pipe: 0.5" gas pipe up to 24 feet and 2" up to 75 feet
• Gas Type: Natural gas or liquid propane (kit included)
• Installation: Indoor or Outdoor installs. Outdoor installs will need a vent cap
• 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
• Application: Indoor/Outdoor
• Depth: 13-1/5"
• Energy Star: Y
• Height: 27-2/5"
• Hot Water @ 35°F Rise Capacity: 8.4 GPM
• Hot Water @ 45°F Rise Capacity: 6.5 GPM
• Hot Water @ 70°F Rise Capacity: 4.2 GPM
• Max. BtuH Input: 150,000
• Min. BtuH Input: 10,000
• Model #: NPE-180S2
• Width: 17-3/10"
• Wt. Lbs.: 68