Zodiac Jandy Pro Series Silicone Gasket Color Kit (R0400500) deltauv O-rings should be replaced when

O-rings should be replaced when they become flattened

or no longer moving or sealing correctly

It is a practical replacement when the original air control has become stiff

including part number 473149

Zodiac Jandy Pro Series Silicone Gasket Color Kit (R0400500) deltauv O-rings should be replaced whenThe silicone gasket color kit is used in compatible Jandy lighting or lens assemblies where gasket condition and color trim details matter for a clean, watertight repair. Silicone gaskets can age, compress, or lose flexibility over time, especially in chlorinated water and high heat lighting environments. Replacing the correct gasket during lens or fixture service helps reduce leak risk and improves the finished appearance. Use R0400500 when the