Generic O-Ring [21" ID] [1/2" CS] O-485 (O-485) coverlifts The EC65 and EC75 compatibility

The EC65 and EC75 compatibility gives this gasket practical value because internal sealing parts work best when the replacement matches the intended equipment family and gasket profile

this component is built to withstand regular exposure to water

The threaded stem design also helps provide a more secure installation in applications where a threaded pressure-switch connection is required

this Waterway air relief assembly is a practical replacement when the relief component and tube need to be renewed together

Three-wire IID configuration

Generic O-Ring [21" ID] [1/2" CS] O-485 (O-485) coverlifts The EC65 and EC75 compatibilityAn O ring helps create a dependable seal at a compatible extra large circular connection, and this generic version is sized with a 21 inch inside diameter and 1 2 inch cross section using the O 485 reference. When a very large heavy profile O ring becomes brittle, worn, or compressed, the assembly can lose the sealing support it should maintain across the full circumference. The 1 2 inch cross section gives this O ring practical value because very