# Check valve (one-way) sera SE-08833 — 2 pieces, aquarium plumbing accessory

**URL:** https://aio.lv/en/product--sera-se-08833--12066659
**Data updated:** 2026-03-12 21:45 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** sera
**Manufacturer code:** SE-08833
**EAN:** 4001942088336
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-07-13 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sera-se-08833--12066659

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

One-way check valve by sera, model SE-08833, supplied as a pack of 2. Designed for aquarium plumbing to prevent backflow and protect pumps and filters. Compact inline valve suitable for air and water lines, ensuring unidirectional flow and reducing risk of siphoning. Easy to install in tubing for maintenance and safety.

## Long description

The sera check valve SE-08833 is a compact one-way valve supplied as a pack of two, designed for aquarium plumbing to prevent backflow and protect pumps and filters. Suitable for small-diameter tubing, this inline valve ensures fluid or air moves in a single direction, reducing the risk of siphoning and accidental reverse flow during power outages or maintenance. Its simple construction makes it easy to install and integrate into existing air or water lines.
Advantages
The check valve provides reliable unidirectional flow control without requiring tools for operation or frequent adjustments. Supplied in a convenient two-piece pack, the valves are compact and lightweight, minimising added bulk in tubing runs. Their design reduces maintenance needs by preventing contaminants and water from flowing back into pumps or air sources, and they operate quietly when used in air lines.
Подходит для
 Prevention of backflow in aquarium water lines
 Protection of air pumps and filters from reverse siphoning
 Installation in airline tubing for aeration systems
 Use in small plumbing runs where unidirectional flow is required
Key specifications
 Quantity: 2 pieces per pack
 Function: one-way (check) valve for air and water
 Form factor: inline, compact design for tubing insertion
 Compatibility: for small-diameter aquarium tubing (air and water lines)
 Operation: passive, springless/check-type mechanism suitable for low-pressure systems
How to use
Cut the aquarium tubing to the required length, ensuring clean, square ends. Insert the valve inline so that the flow direction marked on the valve matches the intended direction of fluid or air movement. Push the tubing firmly onto both ends of the valve to achieve a secure fit; consider using a small hose clamp if tubing is loose. Position the valve above the water level where possible to further reduce the chance of backflow into pumps or air sources.
Рекомендации по использованию
 Periodically inspect the valve for debris, blockages or wear, especially after maintenance. Replace the valve if it shows signs of cracking or persistent leakage. When used in air lines, ensure the valve is mounted in a position that prevents water from pooling inside the housing.

## FAQ

### How much does the sera SE-08833 one-way check valve, 2 pcs cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 06.07.2026 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

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