Trane SWT2074 Limit Switch 319825-402 When diagnosing airflow issues

When diagnosing airflow issues

As a direct successor that replaces White-Rodgers 21D64-1

Industrial Standard Threads: Features 5/16-18 NPT ends to eliminate the need for adapters during routine maintenance or float valve repair

making it suitable for standard foodservice environments

Trane SWT2074 Limit Switch 319825-402 When diagnosing airflow issuesThe Trane SWT2074 Limit Switch is a critical electromechanical safety control engineered for high precision temperature monitoring in Trane HVAC systems, including furnaces and air handlers. Designed with a bimetallic strip mechanism, this high limit switch is calibrated to trigger at 175F (L175) with a 30F differential, ensuring the system shuts down the gas valve or heating elements if internal temperatures exceed safe operating parameters. This OEM