Can't see one - just wanted to know though if this system has probably reached the end of its shelf life if it is starting to go wrong as it is nearly 14 years old.
We have a Glow worm boiler with a pressurised water tank system. We have no hot water - the boiler is 14 years old but has been serviced every year an dis still woking. The plumber has told us we need to replace a part of the hot water tank that adds cold water to the hot as it comes out of...