The Keston Heat 45/55 Main PCB is a crucial component for your residential boiler, specifically designed for the Keston Heat 45/55 model. This electric-powered heating system ensures efficient and reliable heating in your home. As a trusted brand in the industry, Keston provides quality products that are essential for keeping your space warm and comfortable. Whether you are looking to upgrade your current heating system or need a replacement part, the Keston Heat 45/55 Main PCB is the ideal choice for your home.