thanks for your help gas mick2
from what you said am i right in thinking the diverter would operate the micro switch on static pressure of 1 to 1.5 bar. at the moment at that pressure the pump does not start.
thanks again
HI THERE
I HAVE A HALSTEAD ACE BOILER WHICH IS/WAS NOT FIRING UP ON WATER OR HEATING. THE WIRING IS SOUND AND IT HAS HAD TWO NEW BOARDS BUT STILL NOTHING. AS A LAST RESORT I INCREASED THE PRESSURE TO 3 BAR INCASE THE GUAGE WAS FAULTY BUT NO RESPONSE. HOWEVER WHEN I RELEASED SOME PRESSURE VIA...