Pentair TR100C/TR140C/Triton C-3 CLR Air Relief Assembly (273564Z) kempusa and this Polaris and Zodiac

and this Polaris and Zodiac version is a white assembly designed for 380 cleaner applications using the 9-100-7003 reference

or unable to support the installed tube hardware correctly

Helps support dependable sealing at large housing connections

this kit helps simplify parts matching and supports a more organized repair process

Pentair TR100C/TR140C/Triton C-3 CLR Air Relief Assembly (273564Z) kempusa and this Polaris and ZodiacThis genuine Pentair Pool Products air relief assembly, part 273564Z, supports air management in compatible TR100C, TR140C, and Triton C 3 CLR sand filter systems. Air relief components help remove trapped air from the filter, supporting steadier pressure and safer service routines. Replace the assembly if the existing part is cracked, clogged, leaking, or no longer functioning smoothly. Proper air relief is especially important on large filter