About the Lennox 56W27 Limit Switch, Blue R46105-023
Get to work on your heating and cooling system with this Lennox 56W27 Limit Switch, Blue R46105-023. Chat us up if you have questions about this part or the installation process. A limit switch contains an actuator linked to a set of contacts, and when an object makes contact with the actuator, the device makes or breaks an electrical connection.