glow-worm50 ,no hot water,heating ok,is problem easy to fix?
my glow worm 50 space saver is not heating water,however central heating is still working ok,using immersion switch to heat water just now,but would like to fix
3 port diverter valve, which shares the heat with the hot water & CH system may have packed up. Some of them have a manual lever on them, which you could check.
