I jig-sawed part of the casing off to get a good look and theres only one red wheel valve (?). This was slightly wet underneath so I tightened the nut just inside the red wheel but still had the leak.
Decided to go for it and tightened it as hard as I could without forcing, it actually turned...
Looks like it may have been a shoddy job...from my angle it looks like it's just a gate valve (which is leaking). I need to remove some casing in the morning to get a better look.
Thanks for your help.
Ian,
Thanks for your reply. I agree with you that it's probably the filler loop leaking into the system. The pressure rises even when the system is not on and I noticed a small leak from the wheel when I was checking it a little while ago.
Unfortunately, it's a permanent fixture at the...
I have a 5 year old Ideal Classic Gas Boiler on a sealed system which has been running fine until I decided to get involved (boy, do I regret that now). The pressure had dropped to just below 1 bar so I decided to increase it using the Filling Loop, which seemed to work fine…I increased to 1.5...