Raypak Standpipe Assy [Protege RPSF16] (018217F) transformers 15 inch by 2-1/4 inch

15 inch by 2-1/4 inch configuration

or inaccurate water-condition readings

and this Perma Cast version is a 3 inch bronze model sized for 1

The grouped reference numbers give this cartridge practical value because the best replacement results come from matching the cartridge to recognized application codes

Raypak Standpipe Assy [Protege RPSF16] (018217F) transformers 15 inch by 2-1/4 inchThe Raypak Standpipe Assy [Protege RPSF16] is a replacement standpipe assembly for compatible Raypak Protege RPSF16 sand filter systems. The standpipe is an important internal filter component that works with the lateral assembly to move water through the filter tank and return clean, filtered water back to the pool or spa system. This part is commonly replaced during sand filter rebuilds, internal repairs, or service work where the original standpipe