Generic O-Ring [19-1/2" ID] [5/16" CS] (O-200) horizonventures normal use can take a

normal use can take a toll on specific components

Improves repair confidence and long-term convenience

and the frustration that often comes with using makeshift tools on service-specific fittings

and 185 heater applications where the supported water-connection flange needs replacement

Generic O-Ring [19-1/2" ID] [5/16" CS] (O-200) horizonventures normal use can take aAn O ring helps create a dependable seal at a compatible very large circular connection, and this generic version is sized with a 19 1 2 inch inside diameter and 5 16 inch cross section using the O 200 reference. When a large heavy profile O ring becomes worn, flattened, or cut, the assembly can lose the sealing support it should maintain. The 5 16 inch cross section gives this O ring practical value because large diameter sealing surfaces often