We discuss the effective warm-up strategy for your boiler, emphasizing the shift from low fire to high fire. Learn how to manually set your boiler's firing rate, ensure a controlled warm-up, and prevent overshooting temperature or pressure. Weekly Boiler Tips are compiled by the knowledgeable and remarkably prolific content creators at WARE, a family owned, third-generation, 69-year-old commercial and industrial boiler rental and service firm based in Louisville KY. You can learn all about this and more at WARE's Boiler University.