Main Boilers (7)

Discover the full range of Main boilers at Williams. We stock Main combi, system and heat only boilers, offering reliable, energy efficient heating solutions at excellent value. Designed for straightforward installation and dependable performance, Main boilers are a popular choice for a wide range of domestic heating projects.

Why Choose Main?

Main is part of the Baxi Heating group, combining trusted engineering with straightforward, reliable heating solutions. Designed to offer excellent value without compromising on performance, Main boilers are easy to install, simple to maintain and suitable for a variety of domestic applications. At Williams, we stock a wide selection of Main boilers, along with compatible flues, controls and accessories to help you complete every installation.

Shop other brands: 

Worcester Bosch  |  Glow-worm  |  Vaillant  |  Ideal  |  Baxi  |  Keston  |  Viessmann  |  Instinct  |  Navien  |  Firebird  |  Warmflow