Astral Pool Sand Filter Union Nut (00545-0302) repairfittings but small differences in end

but small differences in end caps

When cartridges age at the same time

This type of part is especially useful during major service on large lids

Matching the correct SPL and speed configuration helps preserve system compatibility and makes a direct replacement easier to manage

This replacement is especially useful when the original pilot assembly is clogged

Astral Pool Sand Filter Union Nut (00545-0302) repairfittings but small differences in endThe Astral Pool sand filter union nut is designed for compatible plumbing connections where a serviceable filter union needs secure fastening. A union nut is useful because it helps clamp the removable union assembly together, supporting dependable retention while still allowing the connection to be opened later for service. This replacement is especially useful when the original nut is cracked, stripped, cross threaded, or missing. Using the proper