- Connection Type: NPT
- Fuel Type: Liquid Propane / Natural Gas
- Housing Material: Cold Rolled Carbon Steel
- Ignition Type: Electronic
- Input Capacity: 175,000 BTU/hr
- Type: High-Efficiency
- Vent Type: Forced Draft Direct
- AFUE Rating: 95%
- Dimensions: 17.3 in W x 17.3 in D x 27.6 in H
- Manufacturer: NAVIEN INC
- Manufacturer #: NFB-175H
- Mounting Type: Wall
- Series: NFB-H
- Vent Size: 2 or 3 in
We totally reinvented fire tube technology from the ground up and we continue to advance our boiler technology to a higher level with the new NFB-H boiler series.
NFB-175H 95% COND FIRE TUBE BOILER
NFB-175H 95% COND FIRE TUBE BOILER
- 2023 Navien US Product Catalog.pdf(Catalog)
- Navien NFB-H Brochure 2201 (Web Version).pdf(Brochure)
- NFB-175_200H_Installation_&_Operation_Manual_EN_210309.pdf(Instruction/Installation Manual)
- NFB-H Technical Data Sheet 03-NFBH-TDS-001-0.0 .pdf(Specification Sheet)
- NFB-H_User's_Manual_EN_210121.pdf(Owners/User Manual)
- Features
- 13.2:1 TDR
- 95% AFUE – Energy Star certified
- 2" venting up to 65', 3" venting up to 150'
- Advanced controls with Intuitive user interface and Setup Wizard
- Built-in powered connections for 3 zone valves or 3 zone pumps
- Common venting up to 8 units and cascading up to 16 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
- Installations in or near media rooms, recreation rooms or any living areas of the house are possible with the quiet running NFB-H boilers.
- Save time and cost in retrofit application by reusing existing 1/2" gas lines for up to 24' in length. Subject to local code.