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Supports cleaner and more dependable valve installation
Discharge-side components are useful because they help preserve the intended outlet path and connection integrity in higher-flow spa systems
Installed in a compatible spa
This replacement is especially useful when the original fitting is damaged
Pentair TR100/TR140 Tee Diffuser Assembly (156355) thermproducts Supports cleaner and more dependableThis genuine Pentair Pool Products tee diffuser assembly, part 156355, helps distribute incoming water inside compatible TR100 and TR140 sand filters. Proper diffusion reduces concentrated flow patterns and supports more even movement across the sand bed for dependable filtration. Use this replacement when the original diffuser is cracked, missing, or damaged during internal service. It is especially useful during a full filter rebuild, sand
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