The Ultra Low NOx Burner Kit for U440T-337 by Bradford White is designed to provide efficient and eco-friendly water heating solutions. This burner operates on liquid propane (LP) and meets stringent low NOx emissions standards, making it an environmentally responsible choice. Constructed from high-quality materials, it ensures durability and long-lasting performance. The kit features precise dimensions for easy installation and compatibility with various Bradford White models. Ideal for service technicians and homeowners, this burner kit enhances the efficiency of your water heating system while reducing harmful emissions.