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Note: Product Title reflects this boiler's IBR Net Output Rating

Weil McLain ultra oil boilers are premium, smart, durable oil boilers with many state-of-the-art features including:
  • Optional Advanced Features Module that provides indoor/outdoor reset, DHW priority, stage firing and more
  • Dedicated water-only oil boiler
  • I=B=R Burner Cap (GPH): 0.80 & 1.0 GPH
  • Full access, reversible swing-away door for simplified inspection, cleaning and maintenance
  • Flexible direct or chimney venting - no power assisted fan needed
  • Circulator included
  • Three-pass cast iron heat exchanger with captured elastomer seals
  • Pre-wired for an optional fully integrated control system
  • Sleek, innovatively designed jacket with rear piping and wiring openings and concealed controls for an appliance-like appearance
  • Energy Star Rating

***This boiler has both 0.80 GPH & 1.0 GPH burner capacity. At 0.80 GPH, input BTU = 112,000 and output BTU = 85,000. At 1.0 GPH, input BTU = 140,000 and output BTU = 106,000.
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Fuel Type:


Boiler Type:

High Efficiency

IBR Rating:


DOE Rating:


System Type:

Hydronic (Water)



Vent Type:


Water Connection:


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Limited Lifetime on Cast Iron Sections/1 Year on Parts


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