# Impeller with Shaft and Cap for sera 250 / 250 + UV (replacement part SE-30645)

**URL:** https://aio.lv/en/product--sera-se-30645--12364863
**Data updated:** 2026-04-26 18:53 (EEST)
**Category:** Aquarium Supplies
**Manufacturer:** sera
**Manufacturer code:** SE-30645
**EAN:** 4001942306454
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 11.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sera-se-30645--12364863

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Replacement impeller assembly for sera 250 and sera 250 + UV aquarium filters. Includes the rotating impeller (wirnik), shaft (trzpien) and protective cap designed to restore pump performance and maintain proper water circulation. Suitable for routine maintenance or repair to reduce noise, vibration and ensure effective filtration flow in freshwater and planted tanks.

## Long description

The Impeller with Shaft and Cap for sera 250 / 250 + UV is a replacement impeller assembly designed for sera external aquarium filters. It comprises the rotating impeller, a precision shaft and a protective cap to restore proper pump performance and maintain consistent water circulation. This replacement part is intended for routine maintenance or repair of filters used in freshwater and planted aquaria to reduce vibration, lower operational noise and ensure effective flow through the filtration unit.
Advantages
This impeller assembly restores mechanical balance within the pump housing, improving flow stability and reducing wear on the motor. The included shaft and protective cap ensure correct alignment and protect the rotating element from debris, which helps to extend the service life of the filter. Using an original-design replacement maintains the intended hydraulic characteristics of the sera 250 series, supporting reliable circulation and consistent filtration performance.
Suitable for
Routine maintenance and scheduled replacement of impeller parts in sera 250 and sera 250 + UV external filters
Repairing reduced flow, excessive vibration or increased noise from the filter pump
Freshwater and planted aquariums where reliable circulation and gentle flow are required
Users who prefer original-design spare parts to preserve equipment performance
When it may not be suitable
This impeller assembly is designed specifically for the sera 250 series of external filters and may not fit other filter models or brands. It is not an electronic module or motor replacement; if the motor or control electronics are faulty, replacing the impeller alone may not resolve the issue.
Key specifications
Item type: impeller assembly including impeller, shaft and protective cap
Compatibility: designed for use with sera 250 and sera 250 + UV external aquarium filters
Function: restores rotational element for pump circulation and filtration flow
Material: durable plastics and corrosion-resistant shaft materials suitable for freshwater use
Application: intended for preventive maintenance and repair to reduce noise and vibration
How to use
Turn off and unplug the filter before starting any maintenance. Open the filter housing according to the manufacturer’s instructions and remove the old impeller assembly from the rotor chamber. Inspect the rotor chamber and shaft seat for debris or buildup and clean with fresh water or a soft brush if necessary. Install the new impeller, shaft and cap in the correct orientation, ensuring the shaft seats securely and the impeller rotates freely without contact. Reassemble the filter, prime if required, and restart to verify restored flow and reduced noise.
What to consider before purchase
Confirm compatibility with your filter model: this part fits sera 250 and sera 250 + UV external filters only
Check the condition of the motor and electronics—impeller replacement will not fix motor failures
Consider inspecting and replacing other wear items (seals, O-rings) during maintenance
Ensure you have basic tools and follow safety steps: disconnect power and follow manufacturer instructions
Usage recommendations
For reliable performance, inspect and clean the impeller chamber regularly (monthly or as needed), and replace the impeller assembly if you notice reduced flow, unusual noise, or excessive vibration. Use this replacement part to maintain intended circulation rates in freshwater and planted aquaria and to preserve the overall lifespan of the filter unit.

## FAQ

### How much does the sera Impeller with Shaft and Cap SE-30645 cost, and is it available for purchase?

The price is 13.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 14.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All sera products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized sera service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12364863/68527634_large.webp