Re: Open Question: Replacing radiator valve (TRV)?
Put a tapered rubber bung in the open vent to the f&e cistern (small black tank). Obviously ensure boiler is off and isolated first. release a bit of pressure from the circuit via bleed valve on rad. Undo old wheelhead valve and drain rad leaving other side intact. Remove wheelhead valve and replace with TRV, tighten up, clean up and most importantly REMOVE BUNG FROM OPEN VENT!!!
All done!!
Good luck.
PS. Use dust sheets and towels as water coming out will be disgusting!
John
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