Product Description
The Navien NFB-301C is a high efficiency condensing heating boiler designed for residential and commercial use. This unit provides a maximum heating input of 301,000 BTU/h. It is wall-hung and suitable for indoor installations. The boiler is ideal for users seeking reliable heating solutions while maintaining energy efficiency.
- Condensing technology for increased efficiency
- Compatible with natural gas or propane
- Built-in zone control capabilities
Product Highlights
This heating boiler is engineered for high performance with advanced features for optimal heating. Its high thermal efficiency is complemented by a durable construction, making it suitable for a variety of applications.
Product Information
Standard Information
- Brand: Navien
- MPN: NFB-301C
Technical Specifications
- AFUE: 97.5%
- Input BTU Max: 301,000 BTU/h
- Input BTU Min: 20,000 BTU/hr
- Dimensions: 25.1 inches (L) x 32.8 inches (H) x 22.3 inches (D)
- Weight: 243 lb
- Type: Modular Condensing
- Fuel Type: Natural Gas or Propane
- Pressure Rating: 160 psi
- Efficiency Tier: 90% and Above
- Installation Type: Indoor Wall Mount
- Heat Exchanger Type: Fire Tube
- Vent Size: 3 inches
- Warranty: 10/15 year heat exchanger, 3/5 year parts, 1 year labor
Why buy from Doctor Paintz
- Sold and shipped by Doctor Paintz – doctorpaintz.us
- Brand-new, factory-sealed stock – never reclaimed or refilled
- Trade pricing and bulk/pallet quantities for HVAC contractors
- US-based order support, tracked shipping on every order

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