Pentair PacFab TR40/50 Diffuser Assembly (154598) relayscontactors and this Pasco Specialty version

and this Pasco Specialty version is sized for 2 inch applications using the 3244 reference

which helps preserve the control behavior that platform was built around

No blower setup for systems that do not require it

90 inch OD rail applications

4 amps with a 48Y threaded-bolt configuration

Pentair PacFab TR40/50 Diffuser Assembly (154598) relayscontactors and this Pasco Specialty versionBuilt for focused service work, Pentair PacFab TR40 50 Diffuser Assembly is a direct replacement option for diffuser assembly used in TR40 and TR50 sand filters to spread incoming water across the media bed. It supports sand filter service where internal routing, media containment, and correct reassembly are important. Match by model, part number, size, color, and production date notes before ordering or installation. Confirm internal orientation