Navien™ NFB-399C 399,000 BTU Condensing Fire Tube Boiler

As a global leading boiler maker, Navien™ proudly delivers leadership, dependability, design, green technology, social responsibility, and customer service to over 30 countries worldwide. This assures world-class quality and comfort in every home and business.

Navien’s™ high efficiency fire tube condensing technology makes the NFB-C hard to beat and the easy choice for today’s commercial boiler applications.

Features

• Patented stainless steel fire tube heat exchanger reduces high-stress point weld failures common on other boilers
• Robotic and automated manufacturing technology for unmatched quality control
• Dual Venturi system creates better combustion control and turndown ratio
• Conversion kit included and orifice for easy field gas convertibility from natural gas to liquid propane
• 160 PSI maximum operating pressure
• Advanced controls with intuitive 7” color display with intuitive navigation for setup, troubleshooting, and operation
• BAS communication capability
• Easy top and bottom pipe connections for floor or wall-hung installations
  

Warranty

This commercial boiler comes with a 10-year heat exchanger, 3-year parts, and 1-year labor limited warranty.

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Order by 2PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.

There is $4.99 charge for delivery under $50 Orders. Additional charges will be imposed by our couriers for delivery to remote area, a surcharge may be levied to cover carriage to these areas.

Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.