The KIT-ASSY BURNER W/ PILOT UNIVERSAL FEEDLINE NAT MI30S (HI ALT)(FVIR)(SIT)(SVC) from Bradford White Corporation is specifically designed for high-altitude applications. This burner kit features a universal feedline for natural gas, ensuring compatibility with various models. It complies with FVIR safety standards, making it a reliable choice for both residential and commercial water heating systems. The assembly includes a pilot light for consistent ignition and is built to withstand the challenges of high-altitude environments. Check the manufacturer's specifications for detailed dimensions and ratings.