My caravan was built before they had cars to tow them with , I think it's been sitting in the woodland for about 30 years. The regulator is the one that was with the caravan when I bought the woodland. I put a four ring gas hob in about five years ago , and that's been faultless , but , now that I know it could be an issue , I'll put a new regulator on there.
The bottle is already chained up , I'd never thought about it falling over to be honest, it was purely for security, but now that I know that falling could be an issue, I'll make the chain a bit tighter .
I probably should