The Nor-Lake 001781 Thermostat Fan Del 37T23 43690 is a replacement part for Nor-Lake refrigeration equipment. This component likely controls the fan operation within the refrigeration unit. It senses the temperature and activates the fan to maintain optimal cooling conditions. By ensuring proper airflow, this thermostat fan helps to prevent temperature fluctuations and maintain produ... https://partsfe.com/001781-nor-lake-thermostat-fan-del-37t23-43690