alpha boiler 240x - Intermittent Hot Water
the last few weeks we've started getting problems with intermitten hot water supply from our boiler
the hot water runs luke warm then cold then luke warm
if i slow the flow down it gets very warm the cold
i ve checked flow switches and diaphams...
i was told last year to blow down the pressure tubes, i did it and great everything worked.
how same promblem did the same and works BUT only last's a few hours
then i have to do it again repeating everytime i need hot water(the heating also works but i have't left it on)
any ideas ?
the...