Pentair PacFab TR40/50 Diffuser Assembly (154598) relayscontactors 4 amps with a 48Y

4 amps with a 48Y threaded-bolt configuration

Useful when original standpipe and lateral parts are worn or damaged

OEM Pentair/Sta-Rite side-mount valve diverter

90 inch OD rail applications

Useful when replacing a failed or unreliable original latch switch

Pentair PacFab TR40/50 Diffuser Assembly (154598) relayscontactors 4 amps with a 48YBuilt 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