SLR300 Single Pole/Single Throw 
300º F
Manual Reset

Model #: SRL300 L39-177
Tyree #: 2326AL

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 gas and electric furnaces to control power to gas valves and elements. Switch has to be manually reset to ensure unit safety. Temperature listed is Fahrenheit.  

Limit switches are electrical devices that are not returnable.  Defective merchandise is replaced with an identical item.