This Lochinvar gasket is a crucial component designed for use in various heating and cooling systems. The product, made from high-quality, durable materials, is engineered to provide a secure seal and prevent leaks in the system. It features a hexagonal shape with dimensions of 4mm, suitable for specific models ranging from 055 to 085. The Lochinvar gasket ensures optimal performance of the system by maintaining pressure integrity and preventing potential damage due to leaks. It's designed for easy installation and removal, providing users with a convenient solution for system maintenance and repair tasks.