Go to www.espares.co.uk and view the picture of your replacement element.
Most plug-in to a fixed connection and are held in place by a (1 or 2) self tapping screws
If you haven't got your replacement yet, get it from Espares and it will come with instructions.
If you've got a Philips screwdriver you'll soon work it out.
Geoff down in Wales, December 2009