This Lochinvar key assembly is a specialized component designed for use in various Lochinvar heating systems. It is an integral part of the ignition system, facilitating the start-up process of the heating unit by initiating the combustion sequence. The key assembly is constructed from durable materials to ensure longevity and reliability in operation. It is compatible with specific models of Lochinvar boilers and water heaters, serving as a direct replacement part for worn or damaged assemblies. The product dimensions are standard, adhering to industry norms for easy installation and removal.