This Lochinvar gasket is designed for 1-inch water connections. It is a crucial component used to ensure a secure, leak-free seal between two interfacing parts in a plumbing system. The gasket is made from durable materials that can withstand high pressure and temperature conditions, providing long-lasting performance. It is compatible with various Lochinvar water heating systems and is typically installed between the water connection and the heater itself to prevent any potential leaks or drips. This product meets industry standards for quality and reliability.