• WEIL-MCLAIN WGO Series 4 Cast Iron Oil Boiler (with Taco 007 Circulator) 122 MBH 86.2% AFUE
    • WEIL-MCLAIN WGO Series 4 Cast Iron Oil Boiler (with Taco 007 Circulator) 122 MBH 86.2% AFUE

    WEIL-MCLAIN WGO Series 4 Cast Iron Oil Boiler (with Taco 007 Circulator) 122 MBH 86.2% AFUE

    Type: Natural Gas Boilers
    Installed Price: $9,763.50
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      • WEIL-MCLAIN WGO Series 4 Cast Iron Oil Boiler (with Taco 007 Circulator) 122 MBH 86.2% AFUE
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      The WEIL-MCLAIN WGO™ Series 4 Hot Water Oil Boiler (Model WGO-4) delivers 122 MBH of heating power with 86.2% AFUE efficiency, featuring cast iron durability and a factory-installed Taco 007 circulator.

      🔥 Product Overview
      - Model: WGO-4 (Part #386701014)
      - BTU Input: 122,000 BTU/hr
      - AFUE Efficiency: 86.2%
      - Fuel Type: Heating oil
      - Boiler Type: Water-only oil boiler
      - Circulator: Includes Taco 007 factory-wired circulator

      🧱 Construction & Features
      - Heat Exchanger: Cast iron sections for long-term durability
      - Design: Dedicated water-only system—no tankless coil or cover plate
      - Access: Quick-open top and swing-away burner door for full chamber visibility
      - Venting: Dual flue outlets (rear and top) for flexible installation
      - Safety: Includes low water cutoff (LWCO) and full water trim

      📐 Technical Specs
      - Installation Type: Indoor residential
      - Draft Type: Atmospheric venting
      - Burner Compatibility: Burner sold separately—compatible with Beckett, Carlin, or Riello models
      - Dimensions: Compact footprint for tight spaces
      - Warranty: 20-year limited warranty on heat exchanger

      ✅ Key Benefits
      - Efficient oil-fired heating with 86.2% AFUE
      - Durable cast iron construction ensures long service life
      - Flexible venting and compact design simplify installation
      - Service-friendly layout improves maintenance access
      - Ideal for baseboard, radiant, or hydro-air heating systems

      The WEIL-MCLAIN WGO™ Series 4 Boiler is a trusted choice for homeowners seeking reliable, efficient oil-based heating. With its rugged build and thoughtful design, 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
      Boiler system Solo
      Color pattern Black, Gray
      Flue type Balanced
      Mounting type Wall, Floor, Built-in
      Orientation Vertical
      Power source Oil
      Boiler Type Cast Iron Boiler
      Product Type Fuel Oil
      Fuel Type Natural Gas
      Capacity
      BTU Rating 146000
      Amperage 2.0
      MBH 122
      Efficiency 86%
      Voltage 120V
      Turndown Ratio 1:1
      AFUE 85.0
      Installation Type Floor Mount
      Vent Type Natural Draft Vent
      Burner Type
      Sections 3
      Height 35.63 in
      Width 20.25 in
      Depth 16.88 in
      Documents
      Specification Sheet Download
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