Cheers Chris...
Went to the definations and FAQ as suggested. So the PRV is part of the boiler right? I think I've noticed a little leakage in the boiler cupboard as well, is it an expensive piece of kit. Sorry for the idiot question, but you are dealing with an idiot when it comes to thes...
HI JPC
Sorry ..it's an over flow valve that is either connected to the radiators or the boiler...im not sure...when it empties after each heating cycle itseems to fills a regular sized bucket.
Cheers
Over xmas i was bleeding my radiators. One of the bleed bolts was corroded and it broke. Water spurted. Panic. The usual. I called a plumber to fix it. Since then the boiler has never retained it's pressure. We have to filll it manually after each heating cycle. The water itself is...