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Weil-Mclain 386-701-031 WTGO-6R 196 Input MBtu 86.1% AFUE Cast Iron Oil-Fired Water Boiler with T-007 Circulator Series 4 - Chimney Vent (Burner Sold Separately)


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Product details

Weil-Mclain 386-701-031 WTGO-6R 196 Input MBtu 86.1% AFUE Cast Iron Oil-Fired Water Boiler with T-007 Circulator Less Burner Series 4 - Chimney Vent

  • Oil-fired water boiler with cast iron sections
  • High capacity / high efficiency tankless heater
  • Quick open top and swing-away burner door with full chamber access increases visibility for inspection and servicing
  • Includes factory-wired circulator, service switch and Weil-McLain exclusive captured elastomer seals for added reliability
  • Recessed target wall design protects unit from flue brushes
  • Two flue outlets- rear and top - for complete venting flexibility
  • Available assembled or as a knockdown for installation areas with limited space




  • Factory tested and assembled cast iron section assembly (jacket and collector hood are not assembled on 7, 8 and 9 section blocks)
  • Tankless heater (Packaged* units) or tankless opening cover plate (SemiPackaged* & Knocked-Down* units)
  • Insulated steel jacket
  • Aluminized steel flue collector hood with flue cap on top outlet
  • (convertible to rear outlet)
  • Swing-away burner mounting door
  • Refractory blanket and target wall in combustion area
  • Circulator (when ordered)
  • Sizes 3–4: Taco 007e
  • Sizes 5–6: Taco 007
  • Combination limit control, tankless heater control and LWCO with integrated service switch
  • Two vent pipe brackets
  • Pressure / temperature gauge
  • 30 PSI ASME relief valve (boiler sections tested for 50 PSIG working pressure)
  • Drain valve
  • Barometric damper


  • High-efficiency flame-retention oil burner (Beckett AFG, Carlin EZ or Riello). Specify 2-Stage fuel unit (optional, Beckett) if required
  • Vent damper kits


  • Residential: 20 Years Heat Exchanger; 2 Years Parts
  • Commercial: 10 Years Heat Exchanger; 1 Year Parts
See All Weil-McLain Products

Specification Sheet

Basic Information
MPN ? Manufacturer Part Number 386-701-031
UPC / GTIN 672619218734
Manufacturer Weil-McLain
Series ? A manufacturer's grouping of items that match, coordinate, or complement each other. WTGO Series 4
Dimensions and Measurements
Weight ? Weight 875.00
BTU Input 196,000
AFUE 86.1%
Height (Inches) ? The vertical measurement from bottom to top, measured in inches. 35-5/8"
Length (Inches) ? The distance of the product's longest side, measured in inches. 22-1/8"
Width (Inches) ? The horizontal measurement from left to right, measured in inches. 20-1/4"
Characteristics and Features
Material ? The material(s) used in the construction of the product. Cast Iron
Boiler Type Residential
Fuel Type Oil
Venting Chimney Vent
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