Hi Guys.
Took the advice, turned off all rads but that one, and ran the system. You have never heard so much bubbling. Anyway, now the rad works great, but I don't know where the air went. I'm still looking. Thanks for all your help. I'll get that vent changed as well.
Cheers to you all.
Hi Guys. I'm a newbie, and need your help if you would be so kind. I have a 2 bed bungalow with 4 radiators and a towel rail. One day, after two years of untroubled use since I moved in, the lounge rad went cold. All the rads had Servowarm inlet taps on them. I tried bleeding at the top but...