Thanks both for the speedy replies. Ive just repositioned the connections and the switch now moves cleanly, so hopefully sorted! Otherwise good to know its a standard replacement.
Thanks again.
Hopefully a simple and quick query...
The switch controlling off-peak power to my storage heater (Dimplex Duoheat) no longer works and feels like its jammed inside. It should be a straightforward task to swap out for a new one, although I can't find any manufacturers marks to buy the right...