gas dryer does not heat

My whirlpool gas dryer does not heat but the motor runs and the drum spins; and air blows out normally.

Please help - thank you

This is one of most common problems.

You can find the complete instructions in one of previous posts:
http://forum.appliancepartspros.com/dryer-repair/4743-no-heat-gas-dryer.html

Here are the break down diagrams for the Whirlpool dryer http://www.appliancepartspros.com/partsearch/model.aspx?diagram_id=44067&&model_id=246393

Gene.