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I bought these, as from experience, when the likes the heating has been sitting /not getting used over the likes of summer, you get some times experience slow heating due to likes airlock, these will help me stop the need of remembering the bleed the radiators every year or so. , plus I personnally have noticed a difference in Radiator reaction times myself, with these , as its the likes of when the system is expanding with the heat during use, then returning to normal that also can cause likes air in the system, these are easier to fit than you thing, plus with fitting these and having to turn the valves on your radiator off, removing present bleeding vent and install these (WHICH YOU WILL GET SOME WATER OUT, ) but once fitted and then turned .opened radiator valves again, you'll hear the air come out, and give them couple days, and YES I FELT THE DIFFERENCE, AT ALONE HEARD IT, As NONE THIS LIKE GAGGLING NOISE And in general MY SYSTEM is running lot better, and quieter.Read full review
Verified purchase: Yes | Condition: New
Excellent as always, I have used them in the past on clients radiators with a good result. As I was a heating engineer for 40 yrs. Would thoroughly recommend to use on radiators that regularly collect air. Good solid product and easy to install.
Verified purchase: Yes | Condition: New
Received product and fitted virtually straight away. Easy to fit, adjustable spanner, old towel to protect the wall and floor and there you go! The valves work as soon as fitted so the benefit to making your radiator more efficient is pretty instant. I will be ordering a few more to convert all my radiators.
Verified purchase: Yes | Condition: New
Automatic radiator air venting, it works. easy to fit and has thread protection for transit and washers
Verified purchase: Yes | Condition: New
Good product easy to fit. Does the job. U keys are a bit fiddly but it isn’t an issue. Did 14 radiators in one day.
Verified purchase: Yes | Condition: New
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