Navien Tankless Water Heater NPE-210S2

The Navien NPE-210S2 Ultra-High Efficiency Condensing Tankless Water Heater  delivers continuous hot water with exceptional energy efficiency, making it ideal for both residential and commercial applications. With a Uniform Energy Factor (UEF) of 0.96, it ensures significant energy savings. Its dual stainless steel heat exchangers enhance durability, while the EZNav™ multi-line control panel provides intuitive operation. The unit supports cascading up to 32 units and common venting for up to 12 units, catering to high-demand installations. Certified by Energy Star and featuring low NOx emissions, the NPE-210S2 is both environmentally friendly and performance-driven.

Key Specifications:

• Heat Capacity (Input): 12,000 – 180,000 BTU/h (Natural Gas & Propane)
• Efficiency: UEF of 0.96
• Flow Rate:
  • 10.1 GPM at 35°F temperature rise
  • 7.8 GPM at 45°F temperature rise
  • 5.3 GPM at 67°F temperature rise
• Dimensions: 17.3″ W x 27.4″ H x 13.2″ D
• Weight: 73 lbs (33.1 kg)
• Installation: Indoor or outdoor wall-hung
• Water Pressure: 15–150 PSI
• Minimum Flow Rate: 0.5 GPM
• Connections: 3/4″ NPT for cold water inlet, hot water outlet, and gas inlet
• Power Supply: 120V AC, 60 Hz
• Maximum Power Consumption: 200 W (max 2 A), 350 W (max 4 A) with external pump connected
• Materials: Cold rolled carbon steel casing; stainless steel primary and secondary heat exchangers
• Venting: 2″ or 3″ PVC, CPVC, approved polypropylene, or stainless steel special gas vent type BH (Class II, A/B/C)
• High Elevation Capability: Up to 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)