U.S. BOILER X-2 84% - 140 MBH - Natural Gas Boiler - w/ Grundfos® Circulator

The U.S. Boiler Company X-2 Series 140 MBH natural gas boiler is a durable, cast iron unit offering 84% AFUE efficiency and includes a factory-installed Grundfos® Alpha circulator for reliable residential natural gas boiler heating.

🔥 Product Overview
- Model: X-205N-GH
- BTU Input: 140,000 BTU/hr (140 MBH)
- AFUE Efficiency: 84%
- Fuel Type: Natural Gas
- Boiler Type: Hot water cast iron natural gas boiler
- Circulator: Grundfos® Alpha pump included

🧱 Construction & Features
- Heat Exchanger: American-made cast iron for long-term durability
- Design: Classic chimney-vented with integral rear draft diverter
- Controls: Integrated natural gas boiler control with diagnostics concealed inside the jacket
- Low Water Cutoff (LWCO): Integral option requires no external piping (IDL-1200)
- Tapping Locations: Industry-standard for easy replacement of existing natural gas boiler
- Water Flow: Engineered to promote turbulent flow for efficient heat transfer

📐 Technical Specs
- Installation Type: Indoor residential
- Vent Type: Atmospheric chimney vent
- Return Water Temp: Accepts temps as low as 110°F
- Warranty: Lifetime limited warranty on heat exchanger

✅ Key Benefits
- Reliable 84% AFUE efficiency for cost-effective heating
- Quiet operation with advanced diagnostics and control system
- Flexible installation with standard tapping and compact footprint
- Ideal for baseboard, radiant, or hydro-air heating systems

The U.S. Boiler Company X-2™ 140 MBH Natural Gas Boiler is a solid, full-featured solution for homeowners seeking dependable natural gas boiler heating. With its rugged cast iron build and integrated circulator, it’s designed for long-term comfort and performance.

We service and install all types of HVAC heating and cooling equipment throughout Long Island, including (but not limited to) this coverage area:

Nassau County: Oyster Bay, Hempstead, North Hempstead, Glen Cove, Long Beach, Freeport, Valley Stream, Garden City, Great Neck, Mineola, Hicksville, Levittown, Massapequa, Bethpage, Plainview, Syosset, Jericho, Westbury, Rockville Centre, Farmingdale

Suffolk County: Huntington, Babylon, Islip, Smithtown, Brookhaven, Riverhead, Shelter Island, Southold, Southampton, East Hampton, Commack, Deer Park, Lindenhurst, Bay Shore, Brentwood, Central Islip, Hauppauge, Centereach, Selden, Medford, Patchogue, Shirley

Contact us today at (631) 779-3196