or just buy a single dimmer and do what i suggested
gts
October 2010
or your could by a single dimmer module from an electrical supplier and turn mains off,remove the knob from faulty dimmer,unscrew the nut from the old dimmer,and replace it with new module,save you buying the whole unit.
gts
October 2010
I'm afraid that you will need to replace the whole unit.
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