Navien™ NFB-301C 301,000 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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Every order ships from our United States warehouse, usually within 2–4 business days. Large items travel by freight carrier; you receive the tracking link by email and the carrier contacts you to book the delivery slot.

You can return an item within 90 days of delivery, with no restocking fee. Read the full conditions in our refund policy and shipping policy.

This product comes with a 2-year manufacturer warranty from the date of delivery, covering manufacturing defects. How to make a warranty claim.