Pentair PacFab TR40 Lower Pipe Assembly (154801) gridcontrols and this Darlly cartridge is

and this Darlly cartridge is designed for compatible applications referencing FC-1401

or otherwise worn

A standpipe assembly plays an important role in maintaining the internal flow path of the filter

Restoring dependable flow detection can help the connected control equipment operate more consistently

Keeping the plumbing style consistent can reduce service complications and help the replacement stay closer to original equipment intent

Pentair PacFab TR40 Lower Pipe Assembly (154801) gridcontrols and this Darlly cartridge isWhen an older component is worn or missing, Pentair PacFab TR40 Lower Pipe Assembly helps bring the system back to a dependable working condition. It supports sand filter service where internal routing, media containment, and correct reassembly are important. It is a practical choice for restoring serviceability while preserving the original filter, skimmer, valve, light, drain, or cleaner system. Confirm internal orientation before adding media or