The F.W. Webb TRIO line of cast-iron, low-mass, 3-pass boilers is marking its 10th anniversary this year. The popular TRIO line is celebrated for energy efficiency, proven performance, and industry-leading warranties. Energy Star-rated TRIO boilers have high efficiency energy rating up to 87% AFUE.
TRIO boilers pack incredible durability into a small footprint that is easy to install and service. Thousands are in operation today, providing warmth and comfort for homeowners and commercial enterprises throughout the Northeast.
TRIO is available in eight residential models, each come with a limited lifetime warranty, and seven commercial models, each with a 20-year warranty.← Return to News Center