I have a Worcester 24i junior boiler, a month ago I put the heating on but no rads were getting warm. I looked at the boiler and the warning light on it was flashing, I pressed this and the boiler fired up. Moment later the solder on the hot water feed blew, This was fixed and everything seemed to be fine. The problem I have now is that I have NO HOT WATER unless I put the heating on. can any one help please