this ECM motor (Electronically Commutated Motor) provides precise airflow control by modulating speeds to meet real-time system demands

This is specifically used in applications where centralized control is required and local tampering with temperature or humidity settings must be prevented

Designed with a 64 cubic inch volume and a 40-micron filtration rating

this model includes the built-in conduit connector for secure electrical housing integration

500 PSIG Maximum High Controllable Pressure

Trane SWT1274 Limit Switch 321142-301 this ECM motor (Electronically CommutatedThe Trane SWT1274 Limit Switch (also listed as SWT01274) is a high precision HVAC safety control designed for furnace high limit protection. As a veteran grade OEM furnace part, this thermal limit switch is engineered to monitor the supply plenum temperature, providing a critical fail safe against heat exchanger damage. It operates with a fixed factory setting that opens at 125F to break the heating circuit and closes at 95F to allow for an automatic