Trane SEN1428 Temp Sensor 321702-401 This single-pole single-throw (SPST) switch

This single-pole single-throw (SPST) switch is calibrated to strict Trane HVAC replacement parts standards

this kit provides a direct path to resolving stem leaks and internal bypass issues

Using an exact OEM match prevents nuisance tripping and protects expensive downstream components from transient voltage spikes

It includes O and B terminals for reversing valve switching

the spindle should be installed in a vertical orientation to ensure proper mechanical operation and drainage

Trane SEN1428 Temp Sensor 321702-401 This single-pole single-throw (SPST) switchThe Trane SEN1428 is an OEM wireless display temp sensor designed for precise zone control and rapid field integration. This Trane wireless sensor eliminates the need for complex communication wiring, making it a go to solution for contractors retrofitting occupied spaces or optimizing airflow in multi zone systems. Engineered with a 10k ohm temperature input, the SEN1428 temperature sensor ensures high accuracy thermal feedback to the unit