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NFC-250/200H

high efficiency Condensing Combi-Boiler

  • 95% AFUE – Energy Star certified
  • DHW 15:1 TDR and heating 15:1 TDR
  • 2” venting up to 65’, 3” venting up to 150'
  • Advanced controls with intuitive user interface and Setup Wizard
  • NEW DHW module with mixing and water adjustment valves
  • Built-in powered connections for 3 zone valves or 3 zone pumps
  • Common venting with up to 7 NPE units and cascading up to 15 NPE units
  • Approved for high altitude up to 10,100 ft. (NG and LP), conversion kits included
  • Patented stainless steel fire tube heat exchanger with non-metallic condensate base
Navien NFC-250/200H condensing fire tube combi boiler
NFC-250/200H certifications
  • 95% AFUE – Energy Star certified
  • DHW 15:1 TDR and heating 15:1 TDR
  • 2” venting up to 65’, 3” venting up to 150'
  • Advanced controls with intuitive user interface and Setup Wizard
  • NEW DHW module with mixing and water adjustment valves
  • Built-in powered connections for 3 zone valves or 3 zone pumps
  • Common venting with up to 7 NPE units and cascading up to 15 NPE units
  • Approved for high altitude up to 10,100 ft. (NG and LP), conversion kits included
  • Patented stainless steel fire tube heat exchanger with non-metallic condensate base
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NFC-250/200H premium features and benefits

Nfc-h2
A

2" venting up to 65' (including schedule 40 PVC). Vent Installation Detector (VID) for added safety.

B

Dual Venturi system creates better combustion control, turndown ratio and easy field gas conversions.

Heat exchanger3

Patented stainless steel fire tube heat exchanger Navien’s innovative heat exchanger design is ASME‑Certified,“H” Stamped, and reduces high-stress point weld failures common on other combi-boilers.

Nfc-h2
Control

Advanced user interface with Setup Wizard is made easy with backlit panel, click-wheel control and intuitive text.

Control

Advanced user interface with Setup Wizard is made easy with backlit panel, click-wheel control and intuitive text.

Navien-nfc-circuitboard

Advanced circuitry with built-in control for 3-zone pumps or 3-zone valves.

F4

Easily accessible built-in DHW module includes integrated boiler pump, flow adjustment valve, DHW stainless steel heat exchanger, mixing valve and 3-way valve.

 
Tube2

1/2" gas pipe capability up to 24' (subject to local codes). Cuts installation time, no need to install new gas lines for retrofit applications.

NFC-250/200H QuickFacts

NFC‑H Videos

NFC-250/200H FAQs

Compare NFC‑H models

NFC-250/175H
Max HTG Input: 175,000 BTU/h
Max DHW Input: 210,000 BTU/h
Indoor wall-hung
Residential/Commercial
Navien NFC-250/175H condensing fire tube combi boiler
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NFC-250/175H
NFC-250/200H
Max HTG Input: 199,900 BTU/h
Max DHW Input: 210,000 BTU/h
Indoor wall-hung
Residential/Commercial
Navien NFC-250/200H condensing fire tube combi boiler
View model
NFC-250/200H
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