Pentair UltraTemp/ETi Fan Blade Replacement (473783Z) waterway This type of part is

This type of part is especially useful when the filter structure remains serviceable and the issue is centered on the working grid itself

and this Darlly Filtration 2-pack is designed for compatible applications using the 40352-2PK reference

Its cartridge design helps capture debris while keeping equipment-pad service accessible for routine cleaning and replacement

This replacement is especially useful when the original rod is bent

Back-mount configuration

Pentair UltraTemp/ETi Fan Blade Replacement (473783Z) waterway This type of part isThis fan blade replacement is designed for compatible Pentair UltraTemp and ETi systems where airflow through the unit is critical for proper heating performance. A cracked, warped, noisy, or unbalanced fan blade can reduce efficiency, create vibration, stress the motor, and contribute to poor heat transfer. Replacing the blade helps restore smoother air movement and protects related components from unnecessary strain. Use this part during heater or