Description
Navien NFC-250/200HCondensing Combi-Boiler · 199,900 BTU DHW / 210,000 BTU Heating
A high-efficiency condensing combi-boiler that combines space heating and domestic hot water production in a single compact unit, delivering 95% AFUE efficiency with a 15:1 turndown ratio for both heating and domestic hot water.
Equipped with a new domestic hot water module with mixing and water adjustment valves, it provides consistent, comfortable hot water. Advanced controls with an intuitive interface and Setup Wizard simplify installation and operation, while built-in powered connections support up to three zone valves or pumps.
Technical specification
| DHW input | Up to 199,900 BTU |
|---|---|
| Heating input | Up to 210,000 BTU |
| Efficiency | 95% AFUE, ENERGY STAR certified |
| Turndown ratio | 15:1 for both heating and DHW |
| Heat exchanger | Patented stainless steel fire tube, non-metallic condensate base |
| Venting | 2″ up to 65 ft, 3″ up to 150 ft |
| Fuel | Natural gas and propane, conversion kits included |
| Controls | Advanced interface with Setup Wizard |
| Zone connections | Built-in powered connections for up to 3 zone valves or pumps |
| High-altitude approval | Up to 10,100 ft (NG and LP) |
| Common venting | Up to 7 NPE units |
| Cascading | Up to 15 units |
Applications
Residential & Light Commercial
Space heating for homes and small commercial spaces.
Multi-Fixture DHW
Domestic hot water supply for multiple fixtures.
Multi-Zone Hydronic
Multi-zone hydronic heating systems with built-in zone connections.
High Altitude
Approved for installations up to 10,100 feet.
Cascade Setups
Cascade boiler setups for increased capacity.
Key features
- 95% AFUE efficiency, ENERGY STAR certified
- 15:1 turndown ratio for heating and DHW
- New DHW module with mixing and water adjustment valves
- Advanced controls with Setup Wizard
- Built-in powered connections for 3 zone valves or pumps
- Venting: 2″ up to 65 feet, 3″ up to 150 feet
- Patented stainless steel fire tube heat exchanger
- Non-metallic condensate base
- High altitude approval up to 10,100 ft (NG and LP) with conversion kits
- Common venting up to 7 NPE units; cascading up to 15 units
Navien NFC-250/200H combi-boiler. Follow the installation manual, local gas and plumbing codes, and manufacturer instructions.
