Waterway Sight Glass Gasket [5/8" ID, 1" OD] (873-E16S1)

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The Waterway Sight Glass Gasket 5/8" ID, 1" OD (873-E16S1) is a replacement component for Gaskets applications from Waterway Plastics. It is intended to help restore a dependable s eal, reduce nuisance leaks, and support proper service of the matching equipment assembly. Key listed details include 5/8" ID, 1" OD. Part number 873-E16S1 should be used to confirm compatibility before ordering.This replacement is a smart service item whenever the original seal has flattened, cracked, swollen, hardened, or no longer seals cleanly after reassembly. Because many pool and spa parts look similar but differ by size, port style, finish, voltage, or equipment series, always compare the listed specifications with the part currently installed. This helps reduce ordering mistakes and supports a cleaner, more reliable repair. Manufactured/listed by Waterway Plastics for Gaskets applications Use part number 873-E16S1 to verify the exact replacement Helps restore fit, function, appearance, or sealing performance depending on the application Suitable for pool, spa, or bath equipment service when matched to the original component Inspect the existing part and confirm dimensions, connections, and model compatibility before ordering Show more