Have you checked to see if parts are available?

https://www.bellingspares.co.uk/cooker-oven/444443386/energy-regulator-simmerstat/catalogue.pl?path=600217&model_ref=11823839&refine=energy+regulator+%28simmerstat%29

You could get the OEM part numbers off that site and search against them but it doesn't look hopeful.

Gggdgi
March 2023