The Weil-McLain company manufactures a number of different gas boilers for both residential and commercial use. These boilers are used for ambient heating of rooms in a structure.
Gas boilers are powered by natural gas and act as the centerpiece of a building's heating system. The gas is used to heat water, and either hot water or steam is conducted by pipes throughout the structure to radiators or floor systems. Hot-water boilers are generally more efficient than steam boilers.
As of March 2015, Weil-McLain's product line of gas boilers includes the Ultra Gas S3 CT, the ECO Wall Mount and the GV90+.