For contractors servicing mobile home furnaces or residential air handlers

This specific York temperature limit switch is typically utilized in 24V control circuits

preventing the binding or premature component wear often seen with improper damper shaft hardware

Correct installation requires ensuring the groove is free of debris and lightly lubricated with system-compatible oil to prevent twisting or binding during assembly

this high-stability 0

Copeland Comfort Control (White Rodgers) 3L09-12 Limit Switch For contractors servicing mobile homeThe Copeland Comfort Control (White Rodgers) 3L09 12 Limit Switch is a high reliability 1 2" bimetal disc limit control engineered for precision high limit protection in residential and commercial furnaces. This board mounted HVAC limit switch features a fixed open temperature of 220F and a fixed close temperature of 180F. Operating on an open on rise switch action, it serves as a critical safety component to prevent heat exchanger damage or hazardous