Check valve FERRO ZZM3 with brass closing element, 1" connection

Ferro check valve with a brass closing element 1" ZZM3 is a compact inline valve designed to prevent backflow in water installations. Manufactured by FERRO, the valve features a brass internal component for reliable sealing and corrosion resistance. Its 1" size makes it suitable for residential and light commercial plumbing where a straightforward non-return solution is required.

Advantages

The valve combines a durable brass closing element with a body engineered for stable performance in potable water systems. Its compact design allows installation in confined spaces and contributes to easy integration with standard 1" pipe fittings. The device provides a consistent one-way flow function that reduces the risk of contamination, water hammer and reverse flow, while requiring minimal maintenance during normal operation.

Suitable for

• Domestic hot and cold water supply lines
• Boiler and heating circuits in smaller installations
• Pumping systems to prevent backflow
• Plumbing repairs and retrofit projects

Key specifications

• Connection size: 1 inch
• Closing element material: brass
• Function: non-return / check valve (one-way flow)
• Suitable media: potable water and heating system water
• Installation orientation: inline, directional according to flow arrow

How to use

Install the valve inline in the pipe run following the indicated flow direction. Ensure compatible thread or coupling types are used for the 1" connections and apply appropriate sealing (PTFE tape or thread sealant) on threaded joints. After installation, pressurize the system gradually and check for leaks around connections. Periodically inspect the valve for external signs of wear or leakage and verify one-way operation by observing flow behaviour during system operation.

Usage recommendations

Do not expose the valve to aggressive chemicals or media outside its intended use. For installations in heating systems, protect the valve against freezing and prolonged dry operation. When servicing, isolate the section of the system, depressurize and drain before removing the valve. Follow local plumbing regulations and standards for installation and maintenance.