Pentair TR100/TR140 Tee Diffuser Assembly (156355) thermproducts Installed in a compatible spa

Installed in a compatible spa

or the filter housing before ordering

This replacement is especially useful when the original fitting is damaged

This replacement is especially useful when the original seal is leaking

Pentair TR100/TR140 Tee Diffuser Assembly (156355) thermproducts Installed in a compatible spaThis 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