# Check valve FERRO ZZ3 1 inch for water systems

**URL:** https://aio.lv/en/product--ferro-zz3--11836432
**Data updated:** 2026-03-09 14:50 (EET)
**Category:** Kitchen & Bathroom Faucets
**Manufacturer:** FERRO
**Manufacturer code:** ZZ3
**EAN:** 5901095632105
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

FERRO ZZ3 is a 1-inch check valve designed for use in water supply and plumbing systems. The valve prevents backflow, protects pumps and piping, and maintains unidirectional flow. Suitable for residential and light-commercial installations where a compact inline non-return valve is required. Compatible with standard 1" pipe connections.

## Long description

FERRO ZZ3 1 inch check valve is a compact inline non-return valve designed for water supply and plumbing systems. It prevents backflow, protects pumps and piping from reverse flow, and ensures unidirectional water movement in residential and light-commercial installations. The valve fits standard 1" pipe connections and is suitable where a reliable, space-saving check valve is needed to maintain system integrity.
Advantages
The FERRO ZZ3 combines a compact body with straightforward operation to deliver reliable backflow prevention. Its inline design allows installation directly into standard 1" piping runs without requiring additional adapters. The valve minimizes pressure loss while providing consistent sealing against reverse flow, reducing wear on pumps and decreasing the risk of water hammer. Constructed for durability in typical potable water and plumbing environments, it supports routine maintenance and long service intervals.
Suitable for
 Residential water supply lines (kitchen, bathroom, boiler feed)
 Light-commercial plumbing systems
 Pump discharge lines to prevent reverse flow
 Inline installations where space is limited
Key specifications
 Connection size: 1 inch (compatible with standard 1" piping)
 Function: non-return / check valve to prevent backflow
 Intended medium: water
 Installation orientation: inline, designed for horizontal or vertical runs consistent with manufacturer guidance
 Application: residential and light-commercial plumbing
How to use
Install the FERRO ZZ3 inline in the supply or discharge pipe, ensuring the flow direction marked on the valve body matches the intended water flow. Use appropriate sealing (thread tape or approved sealant) on pipe threads and tighten to the torque recommended for the piping material to avoid leaks or deformation. After installation, pressurize the system and inspect joints for leaks. Verify correct operation by checking that water flows freely in the forward direction and is stopped in the reverse direction.
Usage recommendations
Select the FERRO ZZ3 for installations where a compact, inline check valve is required. For optimal performance, avoid installing the valve immediately downstream of fittings that induce turbulence; leave a short straight-run of pipe before the valve when possible. Periodically inspect for debris or sediment that could affect sealing, and follow local plumbing codes for installation and maintenance.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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

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