Navien NFC250/200H Combi Water Boiler (NG or LP) Wall Mount

The Navien NFC‑250/200H combi water boiler is a premium commercial‑grade residential combi boiler engineered to deliver powerful hydronic heating and high‑capacity domestic hot water from a single, ultra‑efficient wall‑mounted unit. With 210,000 BTU of DHW output, 95% AFUE, and a wide 13:1 turndown ratio, this combi water boiler is built for large homes, multi‑bath applications, and demanding installations requiring top‑tier performance and reliability. It operates on natural gas or propane, offering maximum flexibility.

Key Features
High‑Efficiency Condensing Performance
95% AFUE for exceptional energy savings

210,000 BTU DHW / 199,000 BTU heating class performance

Dual stainless‑steel heat exchangers for long‑term durability

Low NOx emissions for cleaner operation

High‑Capacity Combi System
Provides hydronic space heating and endless domestic hot water

Ideal for large homes, multi‑bath properties, and high‑demand usage

Eliminates the need for a separate water heater

13:1 Turndown Ratio
Ultra‑wide modulation range for precise output

Reduces cycling, improves comfort, and lowers fuel consumption

Fuel Flexibility
Operates on natural gas or propane

Perfect for homes without natural gas service or those upgrading from older LP systems

Commercial‑Grade Components
Robust fire‑tube heat exchanger design

High‑flow DHW performance with built‑in recirculation capability

Designed for long service life and reduced maintenance

Smart Navien Controls
Intuitive digital interface with advanced diagnostics

Outdoor reset compatibility for improved efficiency

Ready for cascading and common‑venting applications

Compact Wall‑Mounted Cabinet
Saves valuable floor space

Quiet operation suitable for utility rooms and tight mechanical areas

Dimensions

Height: 34.4 in

Width: 17.3 in

Depth: 15.6 in

Ideal For
Large homes with high heating and hot‑water demand

Multi‑bath or multi‑zone hydronic systems

High‑efficiency upgrades and replacements

Natural gas or propane installations

We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:

Nassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale

Suffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley

Contact us today at (631) 779-3196