I'm trying to drain a radiator to remove it to decorate. I'v shut off the valves, and started to drain it. Hot water is starting to come into the radiator. The central heating is not on. Does this mean a faulty valve. Any help please.
Yes you have a faulty valve, you will need to change it, either drain down the system, (safest way) flush out several times , change valve, please do not forget to put inhibitor back in.
Hope this helps.
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