I HAVE A RAVENHEAT BOILER WHICH THE HEATING I.E. RADIATORS WORKS FINE, BUT THE WATER WILL NOT HEAT UP UNLESS THE HEATING IS ON (WHICH IS UNCOMFORTABLE ESPECIALLLY IN JUNE) IV HAD A PLUMBER M8 OF MINE TO LOOK AT IT AND HE THINKS ITS THE ONE OF THE RELAYS WHICH LOOKS LIKE IT HAS BURNT OUT BUT HE IS NOT SURE CAN ANYONE HELP ME B4 I SWEAT MY GONARDS OFF! THANKS
