Search results

thanks for replies, sorry about the shouting!! The pcb and gas valve were replaced a few months before pressure drop; but i thought i would mention it anyway thanks for the tips, but losing 1.5bar over the course of a day is a fair amount of water, and i cannot find any leaks...

i HAVE A 12 YEAR OLD HALSTEAD QUATTRO COMBI THAT KEEPS LOSING PRESSURE FROM 1.5 BAR TO ZERO OVER THE COURSE OF A DAY. THERE IS NO WATER LEAKING FROM THE OUTSIDE OVERFLOW AND A NEW PRESSURE VALVE HAS BEEN FITTED, ALONG WITH A NEW DIVERTER VALVE, GAS VALVE,CALORIFIER,AND PCB. THE PRESSURE DROPS...