*Easy and uncomplicated replacement suitable for all conventional radiators with 1/2 inch thread. *Works with swelling discs- when in contact with water, the discs swell up to prevent leakage. *Saves heating energy through continuous and automatic bleeding of radiators. *It has a shut off cap that can be used to stop auto venting if so required. *Product has got 3 operating modes:1. Middle knob fully screwed in- automatic venting(it will shut off automaticaly when there is no more air in the radiator).2. Middle knob partially screwed in- vent open. *Middle knob unscrewed- vent closed., Manufacturer: DongDong store
*Easy and uncomplicated replacement suitable for all conventional radiators with 1/2 inch thread. *Works with swelling discs- when in contact with water, the discs swell up to prevent leakage. *Saves heating energy through continuous and automatic bleeding of radiators. *It has a shut off cap that can be used to stop auto venting if so required. *Product has got 3 operating modes:1. Middle knob fully screwed in- automatic venting(it will shut off automaticaly when there is no more air in the radiator).2. Middle knob partially screwed in- vent open. *Middle knob unscrewed- vent closed., Manufacturer: DongDong store
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£64.72 | Amazon | Shop |