To Agile.
First of all, thankyou for taking the trouble to reply.
I set the cooker to mark 2 (and then to "S") as that is what the instruction booklet advises to test the oven.
Thanks again.
I have a 1997 Flavel gas cooker (match-lit). The thermostat seems to work O.K., inasmuch as the flame is reduced after 15 mins. on gas mark 2 and then goes very low when "S" is set. The flame supervision device doesn't work inasmuch as a large(ish) flame comes on as soon as turned on and lit (I...