Weil-McLain manufactures everything necessary to meet home comfort needs, all designed to work with each other in a system they call, “The Power of One.” This one complete system is an extensive range of products for home heating comfort. It includes the widest available range of boilers, indirect fired water heaters, all sorts of terminal radiation, and heat exchangers.



Indirect Fired Water Heaters
Weil-McLain® high efficiency indirect fired water heaters produce twice the peak flow of a tankless coil; at least 50% more than a comparably sized direct-fired gas hot water heater; and three times as much as an electric unit.

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SlimFit Boiler for Limited Access Commercial Retrofits

Commercial Boilers
For commercial boiler applications that require energy efficiency and longevity, Weil-McLain offers a collection of oil and gas boilers and combination oil/gas boilers that combine the benefits of both fuel sources. More Info


Model 88 Series 2 Boiler   Evergreen 96.0% Thermal Efficiency
Model 80 Boiler   LGB Atmospheric Boiler
Model 94 Boiler    SlimFit

Weil McLain Overview of Products