The Weil-McLain 94 Series 3 heavy-duty cast iron boiler is designed for heating apartments, schools, churches, offices, and other commercial and institutional buildings. The boiler is available for hot water or steam in 18 sizes with net I-B-R ratings from 1,763.5 to 6,060.9 MBH.

The 94 is available as a complete boiler-burner unit furnished with a light oil burner (BL Unit), power gas burner (BG Unit) or combination gas light oil burner (BGL Unit). It is also available as a boiler only (H Unit) for use with heavy oil burners approved by Weil-McLain.

In addition to total fuel flexibility, the 94 also features total installation flexibility: It is available in individual sections, with factory-assembled sections, or as a completely assembled and factory fire-tested package boiler.

The 94 features forced draft firing at over 80% operating efficiency. Outstanding design and construction features include provision for multiple tankless water heaters, patented section sealing method, Hydro-Wall wet-base design, insulated steel jacket, provision for easy cleaning, built-in air eliminator in water boilers, simplified piping no refractory combustion course, Weil-McLain cast iron construction.