the previous owners serviced it regulary but i haven't since june last year. guess i'll call a pro out to have a look. also my central heating works fine, just the DHW which is the problem.
Thanks for your replies
Help please,
when turning my taps on the hot water takes quite a while to come through. When it finally does it only stays hot for a short while and then goes cold again.This cycle keeps happening which stops me getting constant hot water making it very difficult to fill up a bath. When the...