On 19/10/10 10:10, Tabby wrote:

Loss of oil wont cause the thing to overheat, the stat will function
as normal. Its only the element that'll overheat and die.

Starting a fire as it does so?

That's why I drew caution to the overheat protection vs the normal stat.

I have seen too many badly designed heaters to believe that all of them
will fail safely.