HI CAN ANYONE HELP,I HAVE A HEATLINE CONDENSE BOILER 3 YEARS OLD,WHEN I RUN HOT WATER IT GOES TO 30 DEGREES AND CUTS OUT,THE HEATING WORKS FINE,I WAS TOLD BUY AN ENGINEER IT NEEDS A POWER FLUSH £500, WOULD THE HEATING STILL WORK FINE IF IT NEEDED FLUSHED.. THANKS [/b]