We have found the nobs on the cooker turned on and my other half blamed me and I blamed him and we both blamed the dog. Now this got serious when we left the caravan to do some shopping and came back to a strong smell of gas and the grill turned half on. We were very lucky because we where on a site without electrics and the fridge was on, it could easily have all gone bang. The nobs on the front of the cooker turn very easily and do not always return to the out position. My husband took the nobs off and the metal shank that goes down the centre and gave everything a good clean but thinks that the small spring that is inside behind the metal shank has lost the temper and we need new ones. We can not get these springs,they are like the ones in a biro pen but Stoves say we will have to buy new fittings at £25 each and have a corgi man to fit them. You could be talking over £200. Anyone have any ideas