3Pcs Automatic Bleed Valves 1/2inch 3/4inch Plug Radiator Bleeding Radiator Bleed Plugs Valves

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  • If they come into with water, the source discs seal. When air, they open and let escape. Make sure that this Valves is only suitable for heating water without additives
  • 3 operating modes 1. The middle button is fully screwed in, automatic exhaust (it closes automatically when there is none air in the radiator); 2. The middle button is partially screwed, the vent is open; 3. Unscrew the middle button, the ventilation slots are closed
  • This radiator plug is make of Stainless steel and is very resistant to corrosions and the influence of external factors. Suitable for both hot and cold water
  • The Valves have a self-sealing thread with rings. The automatic vent works with the help of source discs

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