EADGBE wrote:

Eeyore wrote:

Most likely. As the contacts are not replaceable you need to find an
exact replacement and there lies the trouble.

Would any SPST switch with an adequate voltage/current rating suffice
(presuming it fits where the old one did)?

Aside from the detail of fitting in the same hole, absolutely yes. Do
ensure you get a type suitable for *mains* switching.

Graham