This A.O. Smith Combustion Assembly Bolt is a key component in various heating, ventilation, and air conditioning (HVAC) systems. It is designed to secure the combustion assembly, which includes the burner and other related components, within the HVAC unit. The bolt is made from high-strength steel for durability and long-lasting performance under high-temperature conditions. It features a standard thread design, ensuring compatibility with most HVAC systems. This product also meets industry standards for safety and quality assurance.