Glowworm 30cxi won't repressurise

3 Jan 2006
Reaction score
United Kingdom
I have replaced an old radiator. I half-drained the system in order to do this and now it will not repressurise. I open the filling loop tap but nothing happens. I have done this procedure once before with another radiator and it was fine - as soon as I opened the filling tap I could here the water flowing and the pressure gauge slowly rose. Now I hear absolutely nothing and the pressure gauge reamins at 0.0 bar. Any suggestions please?
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does sound like the loops not working.Nxt step why.Dont know that boiler well enough to remember. can you disconect the end of loop & try opening into a bucket. or is it internal.
Glowworx cxi has integral filling loop (blue plastic knob under blr) if it is broke best bet is to have a remote one fitted under blr

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