How to fix Dimplex XL storage heater control too stiff to turn?
I broke off the knob of the input control of my Dimplex XL N storage heater because it became very stiff to turn, couldn't get it down below 4 (I'm sure it hadn't slipped on shaft). I never use the output control, could swap that knob over, but that won't fix the stiffness. Can anything be done about this?
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