Red Sea ReefWave 45 Impeller Set — Ceramic-Tipped Replacement Impellers R35245

The Red Sea ReefWave 45 Impeller Set (part R35245) is the official replacement impeller set for the ReefWave 45 wave pump. Impellers are wear parts excluded from the manufacturer's warranty: when a ceramic tip is damaged or a blade breaks, this set brings the pump back to its original 15,000 L/h (3,960 GPH) output.

Red Sea's official maintenance video above walks through removing, cleaning and inspecting the impellers step by step.

Two different impellers, color-coded red and green

The impellers on each side of the motor are not identical: Red Sea color-codes the parts red and green so each side goes back together correctly after maintenance. The manual asks you to check, at every monthly cleaning, that the ceramic impeller tips and the cage bushings are smooth and free from damage.

Our advice

Impellers rarely break — unless snails and friends get into the pump: keep the snail guards that come with your ReefWave installed. And during an algae problem, watch closely that the pump is running and pushing properly: that is when it clogs the fastest.

Why buy from ReefSolution

Authorized Red Sea dealer in Canada, with in-store pickup in Laval and shipping across Canada. This set is designed exclusively for the ReefWave 45 pump; complete your maintenance kit with the impeller cage set R35246 and the Service Pack R35255 for the silicone and plastic connectors.

Frequently asked questions

My pump is making a buzzing noise — do I need new impellers?

Not necessarily. The official troubleshooting says to first check that no object — snail, gravel, coralline algae — is touching the impeller, then clean the impellers and cages. Replace when a ceramic tip or blade is damaged.

The flow of my ReefWave 45 has dropped a lot — are the impellers done?

The manufacturer explains that the gradual buildup of organics and algae on the blades reduces flow: start with the monthly cleaning (1-hour soak in a 10% bleach solution, then a thorough rinse). If flow does not return after also cleaning the motor and shaft, the wear parts are the cause.

Strong reverse flow but weak forward flow — is that normal?

No — per the official troubleshooting, it means the impellers or cages were reassembled back to front. Forward flow on a ReefWave is roughly 3 times stronger than reverse.