Hi trying to replace thermostats on my tumble drier but how do i know which one goes which side as only difference on them is one says 105 and one 130 ?both250v

emma, April 2012

If you cannot match the thermostats and presuming they are the problem, one of them will be blown (ie no electrical continuity through it) if you can test this then the blown one will be the one marked 130 . You must change both but they must be the right way round,

Kenjo, April 2012