:( HI ALL, I HAVE A GLOW WORM 50FF MICRON BOILER WITH PROBLEMS, WHEN I TURN ON THE HEATING, THE BOILER WILL FIRE UP FOR ABOUT AN HOUR THEN CUT OUT AND I HAVE TO RESET IT BUT IT WONT FIRE UP AGAIN UNTIL IT HAS COOLED DOWN, THE RADIATORS GET HOT BUT THEN COOL DOWN TOO, WHAT COULD BE THE PROBLEM...