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 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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