I can only judge it based on a weeks use. It seems to work. I fitted it to a upstairs tall radiator which had an ongoing problem with trapped air. I had to bleed it every couple of days. So far all is well. This is the second autovent I have tried. The first one (with a replaceable valve) did not really work. Time will tell if this one is OK.
Verified purchase: Yes | Condition: New
This was second one bought for heated towel rail in bathroom which is last in line of radiators. Saw on packaging that lasts about 5 years which seeing it was 8 years from last fitted not bad. Changed really easy without having to drain down system and instantly heard hiss of escaping air. I'd recommend to use on all rads.
Verified purchase: Yes | Condition: New
I had a radiator that always collected air at the top, no matter what I did. No more. This little wonder keeps it bled, so that it's nearly always hot right to the top. There are times when the top rung of my towel rail is cool, but by the next day, it's hot again. I think that's probably due to the fact that you shouldn't bleed radiators while the pump is on - must be to do with the pressure under pumping conditions. But when it switches off at the end of the day, it bleeds properly. Recommended - a great time-saver.
Verified purchase: Yes | Condition: New
Superb piece of kit .easy to fit ,no more cold radiators,highly recommended.
Verified purchase: Yes | Condition: New
This little unit is great - no longer does my most remote radiator need regular bleeding. It's easy to install, just wait until there is air in the rad. so the top is cold, shut of both end valves on the rad. and then unscrew the original manual bleed valve , replace it with the Aladdin valve and open up the rad. valves again. After a few seconds you'll see a slight squirt of water out of the new valve after which there are no leaks and no air build up either. It's great - been in for 2 months now - I just hope it stays that way.
Verified purchase: Yes | Condition: New
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