HELLO. WE HAVE THE OLD STYLE BACK BOILER, WHICH SITS BEHIND OUR GAS FIRE. YESTERDAY I NOTICED THAT SEVERAL OF THE DOWNSTAIRS RADIOTORS WERE NOT WORKING. I BLED THE ONES THAT WERE NOT AND WITHIN AN HOUR, NONE OF THEM WORKED AND WE HAD NO HOT WATER. IT WOULD APPEAR THAT WHILST THE HEATING IS SWITCHED ...
