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    • Weil-McLain CGA4PIDN Natural-Gas Boiler S3 84% 100K BTU

    Weil-McLain CGA4PIDN Natural-Gas Boiler S3 84% 100K BTU

    Type: Boilers
    Installed Price:Regular Price $8,429.82
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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 CGA4PIDN Series 3 Natural-Gas Boiler delivers dependable, high‑efficiency hydronic heating with a rugged four‑section cast‑iron heat exchanger and an advanced ECM circulator. Designed for long‑lasting performance, this natural‑gas boiler provides steady, even heat while maintaining low operating costs. With a stainless‑steel burner, automatic vent damper, and proven Weil‑McLain engineering, this natural-gas boiler’s an excellent choice for residential replacements or new installations requiring reliable, straightforward heating performance.

      Key Features
      100,000 BTU Heating Capacity
      Ideal for a wide range of residential hydronic heating applications.

      Four‑Section Cast‑Iron Heat Exchanger
      Durable, long‑lasting design engineered for consistent heat transfer and reliability.

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

      Stainless Steel Burner
      Provides clean, efficient combustion and long service life.

      Automatic Vent Damper
      Improves efficiency by reducing standby heat loss.

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

      Natural Gas Operation
      Reliable, 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 Floor
      Power source Natural gas
      Boiler Type
      Product Type ECM
      Fuel Type Natural Gas
      Capacity
      BTU Rating 100000
      Amperage 1.0
      MBH
      Efficiency 84%
      Voltage
      Turndown Ratio
      AFUE 84.0
      Installation Type
      Vent Type Chimney Draft Venting
      Burner Type Stainless Steel
      Sections 4 Sections
      Height 29.13 in
      Width 17.13 in
      Depth 26.13 in
      Documents
      Specification Sheet Download
      Service & Support

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