Hi folks :)   I have been using my trusty Brenray for many years but the motor speed controller is a little knackered i think.   It used to work on low speed fine when i first had it ( long time ago now ), but now the speed varies and is never constant and i can no longer set it to a low speed for the drying process. Although not a major issue id like to fit a new controller but i have no clue as to what i look for or where to begin ? Can any of you clever folk guide me to a suitable replac