Navien NCB-H Condensing Gas Combi Boiler, 120,000 BTU Navien
Navien NCB-H Condensing Gas Combi Boiler, 120,000 BTU
Brand: Navien
Part#: NCB-250/150H
In Stock
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Description

Rebate:
This boiler meets the requirements for a federal tax credit and qualifies for a 30% (up to $600) rebate. Click here for more info.
Navien NCB-250/150H is an Energy Star listed mod-con combi boiler with 120,000 BTU Net Output (AHRI).

Features:
  • 2-in-1 combi boiler with space heating and domestic hot water heating functionality
  • 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)
  • Built-in freeze and lightning protection, auto reset, overheat, short-circuit and CO protection and much more
  • Simple and intuitive front panel control for easy set-up and diagnostics

Technical Specifications:
  • Input Max Fire (BTU): 150,000
  • Net AHRI Rating (BTU): 120,000
  • DOE Heating Capacity (BTU): 138,000
  • Efficiency (AFUE): Up to 95%
  • Turndown (Modulation) Ratio: 11.1 (Heating), 15:1 DHW
  • Fuel Type: Natural Gas (NG) or Propane (LP)
  • Boiler Connections: 1" NPT
  • DHW Connections: 3/4" NPT
  • Gas Connection: 3/4" NPT
  • Gas Supply Pressure: 3.5 - 10.5 WC (natural gas), 8 - 13.5 WC (propane)
  • Boiler Operating Pressure: 12 - 30 psi
  • DHW Operating Pressure Range: 15 - 150 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): 12.9" x 17.3" x 29.3"
  • Weight (lbs): 96 lbs
  • Mounting Type: Wall-mounted (Wall-hung).

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