Update:
So I removed the cartridge today, cleaned it out and replaced one damaged O ring. Soaked in Viakal and vinegar until I could feel the mechanism move freely so must have had limescale buildup internally. After reinstalling and testing the cold water now works fine (previously it would...
Thanks
Will try that I think I need to remove it first and inspect but it's been several days now and DHW throughout the house is running spot on. The larger isolation valve was a bugger to isolate initially as it would only turn partially, cold one sprung a leak so changed that over quickly...
Hi All
Apologies in advance but I will try and be thorough as it's my first post :-)
Need some advice, I have a Keston c36 which has been regularly maintained over the last 10 years since moving into a 6 bedroom Victorian terrace. Yes, many parts replaced and maintain spares just in case ;-)...