Founded in 1881 in Chicago by Isadora and Benjamin Weil, Weil-McLain was originally named Weil Brothers.
In 1918, after acquiring a main supplier, J.H. McLain Company, the company was renamed Weil-McLain and boiler plant operations moved to Michigan City, Indiana.
Throughout the 20th century, Weil-McLain grew to be the largest U.S. manufacturer of cast iron boilers and a leader in the hydronic industry.
Weil-McLain, a division of The Marley-Wylain Company, is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881. Weil-Mclain has manufacturing facilities in Michigan City, Indiana and Eden, North Carolina, along with regional sales offices throughout the United States and an administrative office in Burr Ridge, Illinois. Building on a reputation of quality and innovation, they are committed to creating Simplified Solutions for our Complex World™.
Architects, engineers, contractors, facility managers and homeowners alike rely on Weil-Mclain for their comfort heating needs. Installed in homes, offices, schools, restaurants, hotels and other facilities throughout North America, the Weil-McLain brand is among the most respected and often used in the building industry.
Weil-Mclain hydronic boilers and indirect-fired water heaters integrate the latest in advanced controls and materials including cast iron, stainless steel and aluminum heat exchanger technologies. The reliability and energy efficiency of these products has helped to make Weil-Mclain industry leaders.
Products are engineered with aesthetics, functionality, safety and structural tolerance in mind. By combining expertise with the responsiveness of support operations, we provide customers with added value and peace of mind.