Trane CNT3780 Limit Switch 326010-701 Smith and Lochinvar electric models

Smith and Lochinvar electric models

The unit features proportional control with a variable timing range of 130 to 1300 seconds under no-load conditions

confirm the infrared receiver on the indoor head is not obstructed and that fresh batteries are installed

ensuring safe operation within low-voltage control circuits

Designed with a 1/2" x 3/4" NPT connection configuration

Trane CNT3780 Limit Switch 326010-701 Smith and Lochinvar electric modelsThe Trane CNT3780 Limit Switch is an essential safety control engineered for high performance HVAC and refrigeration equipment. This 155F Auto Reset Limit Switch monitors the internal temperature of the supply plenum to prevent thermal overruns that can lead to heat exchanger damage or unsafe operating conditions. Featuring a Single Pole Single Throw (SPST) contact configuration, the CNT3780 is designed to interrupt the burners' electrical circuit