# Check valve ZOLUX Zolux Zawór zwrotny for aquarium plumbing, model 32754

**URL:** https://aio.lv/en/product--zolux-32754--12020479
**Data updated:** 2026-03-11 20:55 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** ZOLUX
**Manufacturer code:** 32754
**EAN:** 3336023346021
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 3.71 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--zolux-32754--12020479

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.99 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

ZOLUX Zolux Zawór zwrotny is a check valve intended for aquarium plumbing and water flow control. Supplied under model 32754, it prevents backflow in circulation systems and filters, supporting reliable water movement and protecting pumps from reverse flow. Suitable for use in aquarium setups, filtration lines and external pump connections where backflow prevention is needed.

## Long description

ZOLUX Zolux Zawór zwrotny model 32754 is a check valve designed for aquarium plumbing and water flow control. It prevents backflow in circulation systems and filtration lines, enabling consistent unidirectional flow and protecting pumps and equipment from reverse flow. The compact valve fits into standard aquarium tubing and is intended for use where reliable prevention of siphoning or reverse movement of water is required.
Advantages
The check valve provides automatic backflow prevention without the need for manual intervention, helping to maintain stable circulation and protect pumps and filters. Its construction minimizes flow resistance to preserve pump performance while ensuring a secure seal against reverse flow. The valve is compact and engineered for in-line installation in aquarium plumbing, allowing discreet integration in both filter returns and external pump setups.
Suitable for
Aquarium filtration return lines to prevent siphoning
External pump discharge connections
Circuit sections where unidirectional flow must be enforced
Systems with risk of reverse flow during power outages or maintenance
Key specifications
Function: one-way (check) valve for water flow control
Application: aquarium plumbing, filtration lines, external pump connections
Flow behavior: allows flow in one direction, blocks reverse flow
Form factor: compact in-line design suitable for tubing integration
Material: corrosion-resistant components suitable for aquaria (freshwater and compatible systems)
How to use
Install the check valve in-line with the aquarium tubing on the return or discharge side, observing the directional arrow marked on the body so that water flows from pump or filter toward the aquarium. Ensure tubing is cut cleanly and pushed fully onto the valve connections to form a tight fit; secure with hose clamps if necessary for higher pressure systems. Position the valve above the water level when possible to reduce the chance of trapped air and check periodically for debris or accumulation that could impede movement.
Usage recommendations
For reliable operation, verify compatibility of tubing diameter before installation and inspect the valve periodically for wear or blockages. Avoid exposing the valve to high-temperature conditions or aggressive chemicals not intended for aquarium use. During long power outages, position the valve and connected plumbing to minimize siphoning risk and perform routine maintenance to ensure continued one-way performance.

## FAQ

### How much does the Check valve ZOLUX 32754 cost, and is it available for purchase?

The price is 4.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 70 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 10.07.2026 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 ZOLUX 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 ZOLUX 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/12020479/67508870_large.webp