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Believe it or not, I've never done this job before. Is it normal to have to do it in stages? I'm doing it until the hissing stops/water comes out. Then I go back to it and there's more air coming out.
Any tips? Not my house btw. A studio complex, so don't have access to a few rads behind locked doors.
Sounds about right. The only other thing to remember is to top up the pressure in the system afterwards
Thanks.
That's the valve next to the pressure dial right?
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Turn the heating off first. You can't do it if the pump is running.
All good advice. Thanks. Had it off initially to do all of them. Then got it running and have been going round periodically to re-check (turning the rad off first)
Error?
This has probably been done rarely btw. If at all, heating system looks very new. My rad was luke warm at best so cold has forced me to investigate.
Warming up now though!
I am not a plumber, but my understanding is that if the pump is running you can end up sucking air in rather than letting it out. I could be wrong and I don't really follow the logic of that, but it's what I was told.
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