Trane CNT3780 Limit Switch 326010-701 While designed as an Armstrong

While designed as an Armstrong R37883B001

Designed to facilitate 1/2-inch NPSM or NPT conduit fittings

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

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

As a direct replacement for legacy part number 6016058

Trane CNT3780 Limit Switch 326010-701 While designed as an ArmstrongThe 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