What Do The Symbols On Radiator Valves Mean? (Radiator Settings Symbols UK)

So what do the symbols on radiator valves mean? Radiator valves can be a strange thing to understand, with questions like what temperature do the numbers correlate to? And what does the snowflake symbol mean?

In this quick video, I will give you a simple and clear overview of what the symbols on a radiator valve mean. This video is for radiator settings symbols in the UK, they may be different in other countries.

[samwood]

Changed my life, I feel like I have learnt a secret language. You cracked the code! Thank you anonymous northern stranger. I will subscribe incase you tell me more about the secret symbols hidden all around us.

[wholesomedolphin]

On my parents new rads, they have 0, frost, 1-4 then a 5th symbol which looks like a volume bar on a tv (starts small and goes bigger), what could this mean? Getting inconsistent results when using it and completely baffled.

[davejohnstone]

I don't have a zero just a snowflake. Would my snowflake be off . Thanks

[Don-hioe]

Hi mate I dont have 0. It goes from 1 to the frost sign. Does this mean the frost sign is closed?