Navien NFB-175H
High Efficiency Condensing Heating Boiler
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Description
- 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
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