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by ChrisButch
Thu Dec 01, 2022 6:09 pm
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Unusual radiator lockshield valve
Replies: 0
Views: 877

Unusual radiator lockshield valve

I have a new radiator with a lockshield valve of a pattern I've not seen before - it has two concentric hex sockets (at least I think the inner one is hex, but it's quite small and difficult to be sure). I can't work out which of these adjusts the flow - but in any case I can't shift either of them ...
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