** turns out the thermostat on the heating element wore out and stayed in the open position (no continuity.) **
Thermostat or 'thermal fuse"? (They're two different things)
If the thermal fuse was open, it is usually a sign that there is a problem with the dryer somewhere which should be looked into. The most common cause of a dryer thermal fuse opening is a plugged, partially plugged or poorly installed (see the following link) dryer vent.