Astral Pool Sand Filter Union Nut (00545-0302) valvekits This slip style version is

This slip style version is designed for systems that require that connection method

A filter cartridge kit helps restore the core filtration element for a compatible spa or pool system

and PSD125-2000 references

Raypak complete natural gas heater

Astral Pool Sand Filter Union Nut (00545-0302) valvekits This slip style version isThe 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