NFB-200H – Condensing Heating Boiler – 199,000 BTU

Navien NFB-200H – Condensing Heating Boiler – 199,000 BTU
The Navien NFB-200H is a high-efficiency condensing heating boiler designed for residential and light commercial applications. Rated at 95% AFUE and Energy Star certified, it delivers up to 199,900 BTU/hr input with a DOE heating capacity of 183,000 BTU/hr. The boiler features a 15:1 turndown ratio for precise load matching and energy savings. Its patented stainless steel fire tube heat exchanger is paired with a non-metallic condensate base for durability and corrosion resistance. The NFB-200H includes advanced controls, supports common venting and cascading, and is approved for high-altitude installations.
Features:
95% AFUE – Energy Star certified
15:1 turndown ratio for efficient performance across variable loads
Patented stainless steel fire tube heat exchanger with non-metallic condensate base
2″ venting up to 65 ft, 3″ venting up to 150 ft
Advanced controls with intuitive interface and Setup Wizard
Built-in powered connections for 3 zone valves or 3 zone pumps
Common venting for up to 8 units and cascading for up to 16
Approved for high altitudes up to 10,100 ft (NG and LP)
Field convertible with included gas conversion kits
NaviLink Wi-Fi compatible for remote control and monitoring (sold separately)
Applications:
Residential hydronic heating systems
Light commercial buildings
Installations requiring scalable boiler banks
High-efficiency replacements for aging systems
Multi-zone systems with valves or pumps
Indoor wall-hung boiler installations with flexible venting options
NFB-200H premium features and benefits
2″ venting up to 65′;3” up to 150’ (including schedule 40 PVC).Vent Installation Detector (VID)for added safety.
Dual Venturi system