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    • WEIL-MCLAIN SGO Series 4 Steam Oil Boiler - 174 MBH 85% AFUE

    WEIL-MCLAIN SGO Series 4 Steam Oil Boiler - 174 MBH 85% AFUE

    Installed Price:Regular Price $11,350.50
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    Every product you purchase from us includes the full cost of professional installation. Once your order is placed, our team will reach out to schedule the installation at a time that works best for you.

    We handle everything from removing the old equipment to installing and testing your new system, ensuring it’s set up safely and performing at its best.

    Your checkout covers the equipment and the labor—no surprise charges, no hidden fees. Installation is simply booked separately so we can coordinate the right technician and confirm any details about your home.

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      Pairs well with

      The WEIL-MCLAIN SGO™ Series 4 Steam Oil Boiler – 174 MBH delivers 85% AFUE efficiency with a rugged cast iron heat exchanger, making it a reliable choice for residential steam heating systems.

      🔥 WEIL-MCLAIN SGO™ Series 4 Steam Oil Boiler – 174 MBH, 85% AFUE, Cast Iron
      The SGO™ Series 4 from Weil-McLain is engineered for dependable steam heating in residential applications. With a high-capacity design and durable cast iron construction, this oil-fired boiler offers long-lasting performance and energy efficiency.
      ✅ Key Features:
      • 174,000 BTU Heating Capacity – Ideal for medium to large homes with steam systems
      • 85% AFUE Efficiency – Reduces fuel consumption and meets ENERGY STAR® standards
      • Cast Iron Heat Exchanger – Built for durability and consistent heat transfer
      • Tankless Heater Opening – Optional domestic hot water capability
      • Dual Flue Outlets – Rear and top venting options for flexible installation
      • Service-Friendly Design – Quick-open top and swing-away burner door for easy maintenance
      📐 Specifications:
      • Model: SGO-5 Series 4
      • Fuel Type: Heating Oil
      • Boiler Type: Steam
      • Vent Type: Chimney Vent (Natural Draft)
      • Ignition: Burner sold separately (compatible with Beckett®, Carlin®, Riello®)
      • Installation: Available assembled or knockdown for tight spaces
      • Warranty: 10-year limited on heat exchanger; 2-year parts warranty
      💡 Benefits:
      • Quiet and reliable steam heating for year-round comfort
      • Flexible venting and installation options
      • Large water content for longer steaming cycles
      • Recessed target wall protects unit during servicing
      • Ideal for homes with existing steam radiators or piping

      Choose the WEIL-MCLAIN SGO™ Series 4 Steam Oil Boiler for efficient, long-lasting steam heating backed by trusted American engineering. Perfect for retrofit or new installations, it’s built to deliver comfort season after season.

      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

      Product Specifications
      Specification Name Specification Value
      Boiler system Solo
      Color pattern Black, Gray
      Flue type Flueless
      Mounting type Wall, Floor
      Orientation Vertical
      Power source Oil
      Boiler Type Cast Iron Steam Boiler
      Product Type Steam Boiler
      Fuel Type Natural Gas
      Capacity
      BTU Rating 203000
      Amperage 3.0
      MBH 203
      Efficiency 82%
      Voltage 120V
      Turndown Ratio 1:1
      AFUE 83.9
      Installation Type Floor Mount
      Vent Type Natural Draft Vent
      Burner Type
      Sections 5
      Height 35.62 in
      Width 19.88 in
      Depth 22.13 in
      Documents
      Specification Sheet Download
      Service & Support

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