The Hi-Altitude Burner Kit NAT MITW(4,5)0L-12 from Bradford White is specifically designed for high-altitude applications, ensuring efficient combustion and performance. This kit includes all necessary components for installation and is compatible with various Bradford White models. Constructed from high-quality materials, it meets industry standards for safety and efficiency. The burner is engineered to operate effectively at elevated altitudes, making it an essential upgrade for gas appliances in mountainous regions. Ensure optimal performance with this reliable burner kit.