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    • Weil-McLain CGI6PIN S4 84% 158K BTU Natural-Gas Boiler

    Weil-McLain CGI6PIN S4 84% 158K BTU Natural-Gas Boiler

    Type: Boilers
    Installed Price:Regular Price $9,427.89
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    Installation Pricing

    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 CGI6PIN Series 4 natural-gas boiler delivers powerful, reliable hydronic heating with a rugged six‑section cast‑iron heat exchanger and an advanced ECM circulator. Designed for long‑term durability and steady performance, this natural‑gas boiler provides strong, even heat output for larger homes or higher‑demand systems. With an 84% AFUE rating and a proven standing pilot ignition system, this natural-gas boiler offers straightforward operation, dependable comfort, and low‑maintenance performance season after season.

      Key Features
      158,000 BTU Heating Capacity
      Ideal for larger residential hydronic systems requiring strong, consistent output.

      Six‑Section Cast‑Iron Heat Exchanger
      Heavy‑duty, long‑lasting design engineered for stable heat transfer and durability.

      High‑Efficiency ECM Circulator
      Reduces electrical consumption while delivering smooth, reliable water flow.

      Standing Pilot Burner
      Simple, proven ignition system known for reliability and ease of service.

      84% AFUE Efficiency
      Solid performance for traditional chimney‑vented heating applications.

      Natural Gas Operation
      Clean, dependable, cost‑effective fuel source for residential heating.

      Quiet, Low‑Maintenance Design
      Built for stable, efficient operation with minimal service requirements.

      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 Gray
      Mounting type Wall
      Power source Natural gas
      Boiler Type
      Product Type ECM
      Fuel Type Natural Gas
      Capacity
      BTU Rating 158000
      Amperage 1.0
      MBH
      Efficiency 84%
      Voltage
      Turndown Ratio
      AFUE 84.0
      Installation Type
      Vent Type Chimney Vent
      Burner Type
      Sections 6 Sections
      Height 29.13 in
      Width 21 in
      Depth 26.13 in
      Documents
      Specification Sheet Download
      Service & Support

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