Pentair Tee Diffuser Assembly, for TR100 and TR140C | 156355 Tuscon Provides a dedicated connection point

Provides a dedicated connection point for DE filtration manifolds and air relief line

Using the OEM impeller maintains designed performance and efficiency

This pump is commonly installed during energy upgrades or pump replacements

Hayward heaters use integrated electronic control systems for stable performance

reducing the strain on pool pumps

Pentair Tee Diffuser Assembly, for TR100 and TR140C | 156355 Tuscon Provides a dedicated connection pointWhat This Part Is Used For Pentair 156355 Tee Diffuser Assembly TR100 and TR140C is a replacement internal diffuser assembly for compatible Pentair TR100 and TR140C sand filters. It directs incoming water evenly across the filter media. Why This Part Matters A cracked or damaged diffuser can cause channeling and poor filtration. Replacing it restores proper water distribution inside the tank. Even flow helps maintain consistent filter performance and