L190-140 Double Pole / Double Throw 

190º F 3/4D

Model #: 626458R

Limit switches from the original equipment manufacturer. 

A limit switch is a normally closed switch, designed to open when a set temperature is reached. These switches are commonly used in electric furnaces to control power to heat elements. Temperature listed is Fahrenheit.

Temperature differential refers to the temperature difference between the point that the contacts open and reclose. 

Limit switches are electrical devices that are not returnable.