The Ultra Low NOx Burner Kit for U440T-337 by Bradford White is engineered for optimal performance in water heating applications. This burner kit operates on liquid propane (LP) and is designed to meet strict low NOx emissions standards, ensuring compliance with environmental regulations. Made from high-quality materials, it offers durability and reliability. The precise dimensions and specifications make installation straightforward, allowing for seamless integration with existing systems. Ideal for service and replacement, this burner kit enhances the efficiency of your water heating system while minimizing environmental impact.