Dwyer Instruments TSW-250 Temperature Switch 318518-761 this is a "Coil Only"

this is a "Coil Only" replacement item

This automatic reset limit switch is designed to protect the heat exchanger and blower assembly from thermal runaway by interrupting the burner circuit when temperatures reach the 200°F high-limit trip point

Common Questions: Is this an OEM or aftermarket part

Its compact design is specifically tailored for tight mechanical spaces where airflow cannot be compromised

Drop-in Replacement: Matches the technical specifications of the original B1370910S for rapid field installation

Dwyer Instruments TSW-250 Temperature Switch 318518-761 this is a "Coil Only"The Dwyer Instruments TSW 250 is a rugged, digital temperature switch designed for heavy duty HVACR and industrial processes. This dual stage temperature control features a weatherproof NEMA 4X enclosure, making it the standard for rooftop units and washdown environments. Operating on a universal 90 to 255 Vac power supply, the TSW 250 eliminates the need for separate models for different voltage requirements. The unit utilizes a precise PTC