Clayton’s patented, counterflow heat exchanger makes up the heart of our design. Featuring a monotube, forced circulation water flow, Clayton’s precision counterflow heat exchanger is the only one of its kind on the market. By controlling our firing rates in perfect sync with the flow of water, Clayton brings the highest level of efficiency and the lowest cost of ownership available in the industry. From as little as 15 Boiler Horsepower to well over 2000, Clayton steam boilers are the ideal choice, regardless of your industry. We also offer a wide range of auxiliary systems, heat recovery boilers, and more, to offer the perfect solution for your application.