# Backflow Preventer Valve FERRO EA 6/4" ZZA05 (Zawór antyskażeniowy)

**URL:** https://aio.lv/en/product--ferro-zza05--11836299
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** FERRO
**Manufacturer code:** ZZA05
**EAN:** 5901095672507
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 50.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 42.14 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ferro-zza05--11836299

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

FERRO backflow preventer valve EA 6/4" ZZA05 is a device for protection against contaminated reverse flows in plumbing systems. Designed for installation in water supply lines, it prevents backflow that could contaminate potable water. Key details include the model ZZA05, 6/4" connection size and suitability for standard domestic and light-commercial installations where backflow protection is required.

## Long description

FERRO backflow preventer valve EA 6/4" ZZA05 is a mechanical device designed to protect potable water systems from contaminated reverse flows. Intended for installation in water supply lines, the valve stops backflow that could allow non-potable or contaminated water to enter the clean water network. The unit is suitable for standard domestic and light-commercial plumbing installations where backflow protection is required and where a 6/4" connection fits the existing piping layout.
Advantages
The FERRO EA backflow preventer provides reliable one-way flow control that reduces the risk of contamination in drinking water systems. Constructed for compatibility with typical household and light-commercial plumbing, the valve offers straightforward installation and maintenance. Its compact design allows integration into confined spaces while maintaining the functional requirements for backflow protection.
Suitable for
 Domestic water supply lines requiring backflow protection
 Light-commercial plumbing systems such as small offices, workshops, and retail facilities
 Areas where prevention of contaminated reverse flow into potable water is necessary
 Replacement of existing backflow prevention devices with matching connection size
Key specifications
 Function: backflow prevention for potable water systems
 Connection size: 6/4" compatible with standard plumbing fittings
 Application: domestic and light-commercial installations
 Design: compact inline valve suited for installation in water supply lines
How to use
Install the FERRO backflow preventer EA 6/4" ZZA05 in the water line in the orientation indicated by the flow direction marking on the body. Ensure the system is depressurized before starting installation. Connect to compatible piping using appropriate fittings and sealants, then restore pressure and check for leaks. Periodically inspect the valve for proper operation and clean or service according to local standards and plumbing codes to maintain reliable backflow protection.
Usage recommendations
Use the valve in accordance with local plumbing regulations and standards for backflow prevention. Verify that the 6/4" connection matches the system piping and schedule regular inspections to ensure continued functionality. If in doubt, consult a licensed plumber for installation and maintenance.

## FAQ

### How much does the Backflow Preventer Valve FERRO EA 6/4" ZZA05 cost, and is it available for purchase?

The price is 50.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 15.07.2026 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 FERRO 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 FERRO 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/11836299/67235965_large.webp