# Check valve FERRO ZZK2 PN16 3/4" for plumbing systems

**URL:** https://aio.lv/en/product--ferro-zzk2--11835754
**Data updated:** 2026-03-09 14:49 (EET)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** FERRO
**Manufacturer code:** ZZK2
**EAN:** 5901095644139
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--ferro-zzk2--11835754

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

FERRO ZZK2 is a 3/4" check valve with PN16 pressure rating, designed to prevent backflow in plumbing and heating installations. The valve ensures unidirectional flow, protecting pumps and pipework from reverse flow. Suitable for use in residential and commercial water systems, heating circuits and general fluid distribution where PN16 compatibility is required.

## Long description

FERRO ZZK2 PN16 3/4" check valve is designed for plumbing and heating installations where prevention of reverse flow is required. The valve provides reliable unidirectional flow control with a PN16 pressure rating and standard 3/4" connection size. It is intended for use in water distribution, heating circuits and other general fluid systems compatible with PN16 operating conditions.
Advantages
The valve offers a compact design with a corrosion-resistant body suitable for typical residential and commercial systems. Its construction minimises pressure loss while ensuring quick closure to protect pumps and pipework from backflow. The PN16 rating makes it compatible with common cold and hot water installations as well as many heating systems.
Suitable for
 Domestic and commercial water distribution systems
 Heating circuits and boiler systems
 Protection of pumps and circulators from reverse flow
 General fluid distribution where PN16 compatibility is required
Key specifications
 Connection size: 3/4"
 Pressure rating: PN16
 Flow direction: unidirectional (check valve)
 Typical applications: potable water, heating circuits, circulation lines
 Material characteristics: corrosion-resistant valve body suitable for plumbing use
How to use
Install the check valve in-line with the flow direction clearly indicated on the body; ensure the inlet and outlet are connected according to system flow. Tighten connections to appropriate torque for the chosen pipe fittings and pressure class. After installation, pressurise the system and inspect for leaks. Regular checks during maintenance cycles will verify correct operation and ensure the valve closes properly under reverse flow conditions.
Usage recommendations
Install the check valve in accessible locations to allow inspection and maintenance. Avoid installation points subject to high debris without upstream filtration; if used with heating systems, follow system flushing and water quality guidelines to prolong valve life.

## FAQ

### How much does the Check valve FERRO ZZK2 PN16 3/4" 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 — 9 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 13.07.2026 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/11835754/67235501_large.webp