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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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radiator auto bleed valves
A few years back whilst I had the central heating system drained down I fitted auto bleed valves to my radiators (Aladin Autovent) https://www.amazon.co.uk/Aladdin-Aut.../dp/B01L4P1IO6 They worked for a while. I recently drained down the system again to remove radiators for a few weeks to facilitate some building work. I have now re-instated the radiators and have found that zero (out of six) auto bleed valves are still working. This includes those on 4 radiators that have been sitting around, fully drained for a few weeks. Luckily I still had the manual bleed valves on the other side of the radiator which I've used to remove the air from the system. Even with the radiators on and running at full heat for very many hours a second check of the radiators resulted in some air having to be removed showing the auto bleed valves were still not working. As a result I cannot recommend the use of the Aladin Autovent valves but has anyone had any experience of auto bleed valves fitted to radiators that work long term? I do not anticipate any problem now with air entering my system until I again drain down or remove/replace a radiator. I do have some auto bleed valves fitted to the pipework high points that are still working after 20+ years. These values are not suitable for radiators and are of the type https://www.screwfix.com/p/bottle-air-vent-15mm/34359 -- mailto : news {at} admac {dot} myzen {dot} co {dot} uk |
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