hi there my oven starts up but when I let go the control knob it goes out .it is a Belling country chef cooker

dougie, May 2015

Can not turn off oven on leisure Rangemaster 55

Andy, June 2015

Probably th ethermocouple. You need to get the exact model of the oven to be sure you are getting the right bit. If you are not 110% confident you know what you are doing, get a Gas Safe certified engineer to fit.
Here's a typical thermocouple: http://www.4belling.co.uk/cooker-oven/country-chef-100g/thermocouple/product.pl?pid=949611&path=600217&model_ref=3533267

X, May 2015