Inta Zero Anti-Freeze Valve 1 1/4″ Male x 1 1/4″ Female Swivel – ZERO14SW

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Inta Zero Anti-Freeze Valve 1 1/4″ Male x 1 1/4″ Female Swivel – ZERO14SW

The Inta Zero Anti-Freeze Valve (ZERO14SW) is a reliable and efficient component designed to protect heat pump systems from freezing conditions. Featuring a 1 1/4″ male x 1 1/4″ female swivel connection, this valve is ideal for larger installations requiring robust freeze protection.

Key Features:

• Temperature-Responsive Operation: The valve activates based on the temperature of the water within the heat pump circuit, ensuring consistent performance regardless of ambient temperature changes.
• Compliant with Insulation Standards: In accordance with Part L of building regulations, the valve is designed to function optimally even when insulated, maintaining system efficiency and preventing heat loss.
• Durable Construction: The valve body is made from high-quality UNI EN 12165 CW617N brass, with internal components including a stainless steel spring and EPDM PEROX seals, ensuring durability and long-lasting performance.
• Safety and Maintenance: Equipped with a vacuum breaker and safety double o-rings, the valve prevents contamination and allows for easy maintenance. The use of a ZEROGUARD cover is recommended to protect the valve’s anti-vacuum feature during annual inspections.

Technical Specifications:

• Max Inlet Pressure: 10 Bar
• Opening Temperature: 3°C
• Closing Temperature: 4°C
• Working Temperature Range: 0 to 80°C
• Ambient Temperature Range: -30 to 60°C
• Max Discharge Flow Rate: 1.5 L/H at 3 Bar
• Kv: G1 1/4″ (70 m³/h)

Additional Information: The valve’s design includes a protective ring to reduce friction and a chamfered edge to prevent freezing of water droplets. It is crucial to ensure that all associated pipework is properly insulated to maintain the valve’s performance and prevent freezing in exposed areas.

This valve is an essential component for safeguarding air source heat pump systems, providing dependable freeze protection and maintaining optimal system functionality.

Download Zero Anti-Freeze Valve Technical Sheet here (4 MB)

Download Zero Anti-Freeze Valve Installation and Maintenance Instructions here (694 KB)