The easy way is to start by telling us the make and model of the machine.
Better still YOU could do some searching. Try spares listings and see if thee are two element types. You may even find a parts diagram. The parts supplier Ransoms are often good like that.
It'd be easy enough to do a basic check on an element once its been disconnected, just with a battery and a bulb.
Anon
May 2016
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