Navien NFB-H Condensing Gas Boiler (Heat Only), 139,000 BTU

Description

Rebate:

This boiler meets the requirements for a federal tax credit and qualifies for a 30% (up to $600) rebate.
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Navien NFB-150H is an Energy Star listed heat-only mod-con boiler with 139,000 BTU Net Output (AHRI) and integrated 3-zone control.

Features:

• One-piece combustion chamber and innovative heat exchanger design for improved flow and performance
• Energy Star certified
• Compatible with PVC, CPVC, PolyPropylene (recommended) and St. Steel vent pipe
• Field convertible from natural gas to propane (kit included)
• Integrated 3-zone controller (for zone valves or circulators – replaces common 3-zone switching relay/zone control module)
• Packed with safety features
• Simple and intuitive front panel control for easy set-up and diagnostics
• Common vent for up to 8 units and cascade up to 16

Technical Specifications:

• Input Max Fire (BTU): 175,000
• Net AHRI Rating (BTU): 139,000
• DOE Heating Capacity (BTU): 160,000
• Efficiency (AFUE): Up to 95%
• Turndown (Modulation) Ratio: 13.2:1
• Fuel Type: Natural Gas (NG) or Propane (LP)
• Boiler Connections: 1-1/4″ NPT
• Gas Connection: 3/4″ NPT
• Gas Supply Pressure: 3.5 – 10.5 WC (natural gas), 8 – 13 WC (propane)
• Boiler Operating Pressure: 6–80 psi
• Condensate Drain: 1/2″
• Vent/Air Size: 2″ (default) or 3″
• Vent Material: PVC, CPVC, PolyPropylene (recommended), St. Steel
• Power Supply: 120V, 60Hz
• Dimensions (Depth x Width x Height): 17.3″ x 17.3″ x 27.6″
• Weight (lbs): 121 lb
• Mounting Type: Wall-mounted (Wall-hung).