Trane CNT7660 Limit Switch 321702-401 Weighing approximately 12

Weighing approximately 12

the relay contacts may be stuck or the coil may be open

the switch must never be bypassed during normal operation

effectively managing energy efficiency and reducing inrush current that can lead to premature motor wear

Trane CNT7660 Limit Switch 321702-401 Weighing approximately 12As a seasoned technician, you know that a tripped limit is rarely just a bad part; it is a symptom of airflow restriction or a failing blower. However, when the logic board throws a four flash code on an XR90 or RTU, the Trane CNT7660 Limit Switch is your primary diagnostic point. This genuine OEM Trane replacement part is a critical safety component designed to monitor plenum temperatures and prevent heat exchanger damage. Featuring an L120 30F