O-ring 14x3 De Dietrich 7769967

An O-ring 14x3 is a small but crucial sealing component used in various boiler and burner applications to prevent leaks at connections and joints. This particular size, with an inner diameter of 14 mm and a cross-section of 3 mm, is commonly found in heating equipment where a reliable seal is needed. Over time, O-rings can become brittle or compressed, leading to water or gas leaks. Replacing worn O-rings during maintenance is a simple yet effective way to restore system integrity. Always choose an O-ring made from suitable material for your specific application, such as NBR or Viton, to ensure durability and proper sealing.