A high-performance antifreeze valve specifically designed to protect water-based Heat Pump systems Manufactured from brass for robust, durable and long-term operation Industry leading KV valves for high performance Automatic operation when the circuit temperature reaches below 3 degrees celsius Supplied with both Male and Female BSP connections for ease of installation on the flow and return pipes Available in different sizes to ensure full compatibility for multiple applications Manufacturer Stock Code: 62665 EAN Code: 5014551626652 Sub-Category: Physical Brand: Fernox Range: TF1 Category: Water Treatment Type: Anti-Freeze