The Limiter is an OEM replacement part for Frigidaire dryers. Also called a high-limit thermostat, it prevents the dryer from overheating in the event of an obstruction or blockage. The limiter monitors air temperature and airflow inside the dryer drum.  Symptoms of a bad limiter include: The dryer not heating up at all or heating intermittently Error codes or failure codes displayed  Smelly exhaust from the dryer vent Slow or inefficient drying times Dryer will not start at all Causes of a bad limiter can be normal wear and tear over time, failure of internal components, or exposure to overheating conditions from blockages or items not suitable for machine drying.  This OEM replacement is also compatible with Electrolux, Gibson, Kelvinator, and Kenmore models.Part Number 137539200 (AP5688405) replaces 134711500, 134711501, 2997750, 7134711500, PS7783961.