Pentair UltraTemp/ETi Fan Blade Replacement (473783Z) waterway and this Darlly Filtration 2-pack

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

Using the correct switch format helps preserve original control logic and mounting style

Back-mount configuration

CMP Galaxy drain cover assembly

Pentair UltraTemp/ETi Fan Blade Replacement (473783Z) waterway and this Darlly Filtration 2-packThis 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