- Oil-fired steam boiler with cast iron sections and tankless heater opening

- Has large water content for longer steaming times

- Two flue outlets- rear and top - for complete venting flexibility

- Includes factory-wired circulator, service switch and Weil-McLain exclusive captured elastomer seals for added reliability

- Quick open top and swing-away burner door with full chamber access increase visibility for inspection and servicing

- Recessed target wall design protects unit from flue brushes