Weil-McLain UO-5, 150,000 BTU Output Ultra Oil Boiler

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): 1.4 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 NOTE: This boiler does not come with the burner. The burner ( 521-100-032 ) must be purchased separately.