Engineered as a normally closed (NC)

it features an epoxy encapsulated enclosure that provides superior protection against vibration and environmental moisture

Why choose a 2-pole over a 1

ensuring optimal torque and efficiency for compressor motors and large blower units

supplemented by a mechanical flag indicator that tracks the physical movement of the armature

Trane THT2436 Limit Switch Engineered as a normally closedThe Trane THT2436 is a mission critical HVAC high limit switch designed for furnace temperature regulation and system safety. This OEM Trane replacement part serves as the direct successor for the legacy 1NT21L 2163 model. Engineered as an automatic reset limit switch with an SPST (single pole, single throw) configuration, the device is calibrated to open the circuit at 170F and automatically re close once temperatures drop back to 140F. This precise