Fluidra - Sena SS Pump Impeller 1.25 HP 50 Hz (Pre-May 2024) - 4405010417

Fluidra – Sena SS Pump Impeller 1.25 HP 50 Hz (Pre-May 2024)

This is the genuine Fluidra replacement impeller for the Sena SS 1.25 HP 50 Hz self-priming pool pump (Series II). The impeller is the rotating component at the heart of the pump’s hydraulic end, responsible for drawing water in and generating the flow and pressure needed to circulate and filter your pool. This part is specifically designed for Sena SS units manufactured before May 2024.

Compatibility

This impeller is a direct OEM replacement for the Fluidra Sena SS 1.25 HP 50 Hz pump (Series II), covering all units produced before May 2024. It is not interchangeable with other power ratings in the Sena range (such as the 0.75 HP or 1.5 HP variants) or with pumps manufactured from May 2024 onwards, which use a revised impeller design. Always verify your pump’s model, power rating, and manufacture date before ordering.

Why Genuine Matters

Using a genuine Fluidra impeller ensures the correct hydraulic balance, material tolerances, and rotational fit for your Sena SS pump. Third-party impellers can cause vibration, reduced flow performance, accelerated wear on the mechanical seal and pump body, and may void your pump warranty. A genuine part restores the pump to its original performance specification.

Installation

Replacing the impeller requires draining and disassembling the hydraulic end of the pump, including removing the pump body and diffuser. The impeller is secured to the motor shaft with a left-hand thread locking screw; correct torque is important to prevent loosening during operation. Professional installation by a qualified pool technician is recommended to ensure correct reassembly and to inspect the mechanical seal and diffuser at the same time.