HI,HOPE SOMEONE CAN HELP WITH THIS.I HAVE HOT WATER COMING OUT OF THE OVERFLOW INTO THE EXPANTION TANK ALMOST AT THE RATE OF AN OPEN TAP.THIS SEEMS TO HAVE BEEN HAPPENING FOR A WHILE BECAUSE THERE SEEMS TO BE QUITE A BUILDUP OF SCALE AT THE END OF THE PIPE.I HAVE EMPTIED THE SYSTEM AND REFILLED IT AS I HAVE BEEN MOVING AND REPLACING THE RADIATOR IN THE BATHROOM BUT FILLED IT BACK UP INCLUDED ADITIVE NO PROBLEM.
I'VE ONLY JUST DISCOVERED THE PROBLEM AS I WAS DOING WORK IN THE LOFT.ONE THING I HAVE NOTICED ABOUT THE POTTERTON PRIMA BOILER THAT I HAVE IS THAT IT SWITCHES ON AND OFF FREQUENTLY EVERY 5 MINUTE OR SO FOR 5 MINUTES THEN STOPS.
COULD THIS HAVE ANYTHING TO DO WITH THE PROBLEM?
I'VE ONLY JUST DISCOVERED THE PROBLEM AS I WAS DOING WORK IN THE LOFT.ONE THING I HAVE NOTICED ABOUT THE POTTERTON PRIMA BOILER THAT I HAVE IS THAT IT SWITCHES ON AND OFF FREQUENTLY EVERY 5 MINUTE OR SO FOR 5 MINUTES THEN STOPS.
COULD THIS HAVE ANYTHING TO DO WITH THE PROBLEM?