you should be looking for a continuity reading between 40 and 100 ohms depending on the specific element version

Common Questions What are the symptoms of a failing Reznor 57953 limit switch

typically accommodating round shafts from 3/8" to 3/4" and square shafts from 3/8" to 5/8"

Can I use this guard with non-White-Rodgers thermostats

While the A99-CLP-1 can be used for surface mounting if protected

Trane KIT13630 Limit Switch Kit you should be looking forThe Trane KIT13630 Inducer Limit Switch Kit is a critical safety component designed to monitor and regulate the temperature of the draft inducer motor assembly. As the direct engineering replacement for the Trane SWT1712, this kit ensures the furnace shuts down if temperatures exceed safe operating parameters, preventing component damage and potential safety hazards. This OEM spec HVAC high limit switch is built for precision, featuring a primary