5pcs 1/2 Inch BSP Manual Radiator Air Bleed Valves and 5pcs Blanking Plugs with Thread Connection and O-Ring Seal

[Robust Materials] The vent valve assemblies are made of high-quality brass, ensuring exceptional strength for durability and reliability. Easy installation saves time and effort.
[Efficient Ventilation] The vent allows for the automatic removal of excess air from the system. The automatic vent valve keeps your system free of air bubbles, increases efficiency, and minimizes heat loss.
[Compatibility] The high-quality brass vent assembly is compatible with various manifold types and is used to effectively remove air buildup in heating system pipes and hoses.
[Secure Draining] The vent valve's drain valve allows for easy draining and maintenance of your heating system, simplifying servicing and extending the life of your manifold heating system.
[Versatile Application] The vent and threads' extra sealing effectively protects the system from leaks. Ideal for central heating, underfloor heating, and water systems in residential and commercial buildings.