Had an extension put on so needed a new boiler and Rads, MagnaClean has been great, but just recently it has been dripping from the top cap.
Do I just need some decent silicone grease, and how tight do I need to do the top cap?
Or do I need to replace the O-ring?
Do I just need some decent silicone grease, and how tight do I need to do the top cap?
Or do I need to replace the O-ring?