I HAVE A ENGLAND PELLET STOVE I JUST INSTALLED A WEEK AGO.IT'S A 55-SHP 22 WITH A 60 POUND HOPPER.HAS ANYONE HAD THE PROBLEM OF THE LAST 20 POUNDS OF PELLET'S CLINGING TO THE SIDES OF HOPPER AND NEVER FALLING DOWN WITCH SHUTS THE STOVE DOWN ?? AND HAS ANYONE MADE AN EXTENSION FOR THERE HOPPER?? ENGLAND DOESN'T MAKE ONE ?? THANKS TO RESPONDERS...