Set of 3 automatic radiator air vents, 1/2 inch nickel-plated brass bleed cap for radiators, automatic air vent valve for radiators.

High-quality material: The radiator bleed valve is primarily made of high-quality nickel-plated brass. Robust and durable, it resists corrosion and rust. The automatic radiator bleed valve seal is made of durable silicone. It is designed to last and does not require frequent replacement. Scope of application: This multifunctional drain valve is suitable for various heating systems, including radiators, boilers, and underfloor heating manifolds. Three sets are sufficient for everyday use at home and ideally complement your heating system, offering compatibility and flexibility. Self-Sealing Design: The automatic air vent valve is equipped with self-sealing threads and O-rings. Upon contact with water, the valve closes. If air is trapped, it opens and releases it. Please note that this valve is only suitable for hot water without additives. Easy Installation: The 1/2-inch heating drain valve is easy to replace, flexible, and simple to install. It fits all radiators equipped with a standard 1/2-inch air vent. Installation is straightforward, even without specialized personnel.