# Aquastop Valve Fluval for FX series (model A20216) — water stop valve for external canister filters

**URL:** https://aio.lv/en/product--fluval-fv-2166--12053962
**Data updated:** 2026-03-12 19:37 (EET)
**Category:** Aquarium Supplies
**Manufacturer:** Fluval
**Manufacturer code:** FV-2166
**EAN:** 015561302166
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 16.52 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fluval-fv-2166--12053962

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.99 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Fluval Aquastop valve A20216 is a water-stop valve designed for Fluval FX external canister filters. It provides a reliable shut-off for hoses during maintenance, preventing spills and allowing safe disconnection of inlet/outlet lines. Compatible with FX series plumbing, the valve simplifies filter servicing and reduces water loss when cleaning or replacing filter media.

## Long description

Fluval Aquastop valve A20216 is a compact water-stop valve designed for use with Fluval FX series external canister filters. It enables secure shut-off of water flow through inlet and outlet hoses, allowing safe disconnection and maintenance of filter plumbing without draining the aquarium or causing spills. The valve fits standard FX series tubing and is intended to streamline routine servicing and media changes.
Advantages
The valve provides a reliable, tool-free shut-off mechanism that prevents water loss during filter maintenance. Its compact construction and straightforward operation make it easy to install and operate by a single person. The design minimizes the risk of accidental leaks and helps maintain stable aquarium conditions by reducing interruptions to filtration.
Suitable for
Maintenance and cleaning of Fluval FX external canister filters
Safe disconnection of inlet and outlet hoses during media replacement
Temporary isolation of filter plumbing for troubleshooting or repairs
Reducing water loss when relocating or servicing filter components
Key specifications
Compatibility: Designed for Fluval FX series external canister filter plumbing
Function: Manual water-stop valve for inlet/outlet hoses
Material: Durable plastic suitable for aquarium use
Operation: Tool-free manual shut-off
Installation: Inline placement on filter tubing for quick disconnection
How to use
To use the Aquastop valve, turn off the filter pump and close the valve to stop water flow through the selected hose. Disconnect the hose from the canister or accessory as needed. After maintenance or media replacement, reconnect the hose, open the valve gradually, and restart the pump while checking for leaks. Ensure connections are seated correctly and the valve is fully open for normal operation.
Usage recommendations
Install the valve on the hose at an accessible position to simplify routine servicing. Inspect the valve and hose connections periodically for wear or degradation and replace components if any signs of cracking or leakage appear.

## FAQ

### How much does the Fluval Aquastop Valve A20216 for FX Filters cost, and is it available for purchase?

The price is 19.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 09.07.2026 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 Fluval 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 Fluval 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/12053962/67540027_large.webp