These igniters are made of silicon carbide and are very fragile and break easily. The job of these igniters is to ignite the gas when is released from the gas valve.
When the contacts on the flame sensor are opened, the igniter is turn off and the gas valve opens to release the gas.
As the gas passes by the still red hot igniter it ignites and that is the way that the gas dryer produces heat.
To see how to check & replace the igniter in a GE Hotpoint gas dryer, view the video below
Below are the links to the parts needed for this repair.
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