Navien NPE-150S2 High Efficiency Condensing Tankless Water Heater 120,000 BTU/h

Product Description

The Navien NPE-150S2 is a high-efficiency condensing tankless water heater with premium features and benefits. It features a field convertible gas system, ultra condensing efficiency, and dual stainless steel heat exchangers. It also has low NOx emissions (20ppm) and SCH 40, 2″ venting up to 75′. The unit is cascading capable and has an EZNav multi-line control panel.

• Field convertible gas system
• Ultra condensing efficiency
• Dual stainless steel heat exchangers
• Low NOx emissions (20ppm)

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-150S2NG
• Country of Origin: KOREA, REPUBLIC OF

Technical Specifications

• Heat Capacity (input) Natural gas: 18,000 – 120,000 BTU/h
• Heat Capacity (input) Propane: 18,000 – 120,000 BTU/h
• UEF (NG & LP): 0.93
• Flow rate (DHW) 19°C temp rise: 25.7 l/m (6.8 GPM)
• Flow rate (DHW) 25°C temp rise: 20.1 l/m (5.3 GPM)
• Flow rate (DHW) 37°C temp rise: 12.9 l/m (3.4 GPM)
• Dimensions: 43.9cm W x 69.6cm H x 33.5cm D (17.3″ W x 27.4″ H x 13.2″ D)
• Boiler weight: 28.1 kg (62 lbs)
• Installation location: Indoor or outdoor wall-hung
• Venting type: Forced draft direct-vent
• Ignition: Electronic ignition
• Water pressure: 1.05-10.55 kg/cm2 (15-150 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): -0.04 ” WC to -0.4 ” WC
• Propane gas manifold pressure (min-max): -0.03 ” WC to -0.4 ” WC
• Minimum flow rate: 1.9 l/m (0.5 GPM)
• 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. 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)
• Application: Indoor/Outdoor
• Depth: 13-1/5″
• Energy Star: Y
• Gas Type: NG/LP
• Height: 27-2/5″
• Hot Water @ 35°F Rise Capacity: 6.8 GPM
• Hot Water @ 45°F Rise Capacity: 5.3 GPM
• Hot Water @ 70°F Rise Capacity: 3.4 GPM
• Max. BtuH Input: 120,000
• Min. BtuH Input: 18,000
• Model #: NPE-150S2
• Width: 17-3/10″
• Wt. Lbs.: 62
• Brand: Navien
• SKU: NPE-150S2
• UPC: 884954920757
• BTU/hr: 120,000
• Enable Dropship: No