The Viessmann Vitolig 100 15 KW is a high-performance solid fuel boiler for modern homes. With a rated output of 15 KW, it is built to provide efficient heating for small and medium-sized properties. This boiler is designed for burning wood logs and can be combined with an oil or gas-fired boiler for maximum flexibility. It features a robust construction and is easy to operate, making it an excellent choice for homeowners looking for reliable and efficient heating solutions. With its advanced technology and energy-saving features, the Viessmann Vitolig 100 15 KW is a top-of-the-line choice for solid fuel boilers.