Hi thanks for your reply
Sorry I was very vague with information regarding the boiler.
Its a Santon premier plus unvented hot water sytem.
There is a silver tank with a hot water tap on the pipe running out of the top.
There is also a small red tank above that with a pipe running...
Hi
I have moved into a house which has had the boiler drained, it is an unvented sytem, I need to refill it. I found a blcak valve that when turned lets water in, but filled it partially and stopped it.
I need to know how to refill it safely so that there is not too much pressure and to...