The KIT-ASSY HI-ALT BURNER LP M(I,4)40T (FVIR) from Bradford White is specifically designed for high-altitude liquid propane applications. This burner assembly features advanced technology to ensure efficient combustion and compliance with FVIR standards. Constructed from durable materials, it is built to withstand the rigors of high-altitude environments. The kit includes all necessary components for installation, making it ideal for service technicians. With a focus on safety and performance, this burner assembly meets ANSI and UL compliance, ensuring reliable operation in residential heating systems.